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Audi A6 / S6 / RS6 repairs by problem area

Engine (41%)

Transmission and Drivetrain (11%)

Brakes and Traction Control (5%)

Suspension and Steering (13%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (5%)

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Chart based on 2589 repairs.

See TSBs and recalls for the Audi A6 / S6 / RS6.

Audi A6 / S6 / RS6 repair cost distribution

$2500+ (6%)

$1000 - $2499 (17%)

$500 - $999 (18%)

$100 - $499 (32%)

< $100 (26%)

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Chart based on 1625 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

See repairs for all Audi A6 / S6 / RS6 model years.

Audi A6 / S6 / RS6 in Texas, United States Dec 2020 - Jun 2022
Aug 2021 6000 mi	Drive assistance was disabling itself in clear conditions, central locking malfunction
Dec 2021 11000 mi	Driver assistance turning off in clear weather

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Audi A6 in New Jersey, United States Nov 2020 - Jun 2022
Jun 2022 30000 mi	Alternator crapped out. Car died on road. Needed to be towed to dealer.

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Audi A6 / S6 in South Carolina, United States Dec 2020 - Jun 2022
Nov 2021 35000 mi	Transmission was replaced. It was making a rhythmic noise. Transmission replaced. Differential was causing grinding noise while turning.

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Audi A6 / S6 in New Hampshire, United States Jun 2021 - Jun 2022
Mar 2022 39000 mi US $855	Replaced supercharger drive belt

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Audi A6 / S6 in Florida, United States Jun 2017 - Apr 2020
Dec 2018 20000 mi	Power sunshade for rear window became very noisy at the ends of its travel (i.e. when almost completely deployed, or almost completely stowed). Sunshade unit (to include the shade itself and the motor) was replaced.

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Audi A6 / S6 in Poland Jan 2021 - Jun 2022
Nov 2021 81840 mi $1200	Mushy, weak breaking. Replaced pads and rotors in front, only pads in the back.
Apr 2022 84940 mi $2000	Electro valve broke, leaking coolant. Also the throttle flap (?) was cleaned. Wind noise from the sunroof area. The seal is deformed, not aligning properly. Waiting for replacement seal to arrive.
Jun 2022 88040 mi $600	Adaptive cruise control reports sensor "no vision" repeateadly. Initial diagnostic didn't show anything. Waiting for spare cable for test swap. Bad feelings about this.

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Audi A6 / S6 in California, United States Jun 2017 - Jun 2022
Jun 2018 18500 mi US $1000	Front rotors had groove in them. Shop attributed to possible rock having gotten stuck.

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Audi A6 / S6 in Illinois, United States Jun 2015 - Jun 2022
Mar 2017 12000 mi	Drivers side mirror will not retract in cold weather. Took to dealer they put it in warm shop for 3hrs before diagnosing and could not reproduce. Weather has warmed enough that the mirror works again
Jan 2020 33000 mi US $9800	Turbo screens clogged and caused both turbos to fail.

Audi A6 / S6 in California, United States Apr 2016 - Dec 2019
Apr 2017 5000 mi	Satelite antenna replace for GPS

Audi A6 / S6 in Virginia, United States Apr 2016 - Apr 2018
May 2016	Front parking sensor fogged over - electrical fault.
Jun 2016 2000 mi	Creaking noise at low speed from steering wheel. Clock spring in steering wheel replaced and adjusted. Required 4 days to diagnose & an hour to repair at Audi of Arlington; Schmitt's Audi in Buffalo took 1 hour to diagnose.
Feb 2018 6000 mi	Initially noticed parking cameras not displaying on MMI screen despite the distance sensors working (could hear beeping as approaching objects). Then, within a week, the battery was completely dead. Could not jump car from engine bay battery posts; car had to be jumped from battery under spare tire.

Audi A6 / S6 in Saskatchewan, Canada Aug 2015 - Dec 2017
May 2016 3600 mi	The S6 sill plate in the drivers door had a dent when delivered. The dealer ordered the replacement and installed when doing the 8000km maintenance.

Audi A6 / S6 in Texas, United States Jan 2021 - Jul 2022
Apr 2021 34500 mi	O2 sensor threw check engine light. Issue mentioned in TSB, and O2 sensor replaced under extended warranty of 10yrs/120K miles provided by 2nd related TSB. This was a different O2 sensor from a similar repair trip in December 2021.
Jan 2022 37000 mi US $300	All 4 upper guidelinks were worn, and needed replacing. Repair included alignment and safety sensor calibration post install. This was covered under 3rd party extended warranty. O2 sensor threw check engine light code DTC P209600 and/or P209800 mentioned in TSB. O2 sensor replaced for free under extended warranty courtesy of 2nd related TSB.

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Audi A6 / S6 in Illinois, United States Sep 2015 - Apr 2019
Mar 2018 21000 mi	camshaft timing adjuster failure.

Audi A6 / S6 in Ontario, Canada Sep 2015 - May 2018
Mar 2018 31000 mi	right passenger grab handle replaced since return spring on original was shot

Audi A6 / S6 in Georgia, United States Jun 2016 - Jun 2022
Nov 2016 3300 mi	Fuel pressure sensor replacement

Audi A6 / S6 in New Jersey, United States Jul 2016 - Sep 2018
Oct 2016 21000 mi	Engine lost power, and made a lot of noise. Piston ring found in oil pan. Engine replaced under warranty. Reason given for replacement: piston failure.
Jun 2017 34449 mi	Expansion tank and hose replaced under warranty. In shop for five days.
Mar 2018 57000 mi US $85	Starter failed while out driving. Wife had to drive almost an hour to pick me up. Starter was back ordered in Germany.

Audi A6 / S6 in Florida, United States May 2015 - May 2018
Aug 2017 24000 mi	Rotors had a factory defect that caused them to deform, creating vibrations during braking. This was a known issue but I was not contacted. When I had the vibration I came in and they informed this would not affect braking capability, but that they were authorized to replace the entire breaking system when the issue was reported.

Audi A6 / S6 in Virginia, United States May 2019 - Jan 2023
Jul 2019 38329 mi	Cup holder flap will not open properly.
Jul 2020 65958 mi	Rear pads and rotors replaced.
Mar 2022 104748 mi US $1800	Recommend replacing water pump assembly. EPC light is on. Fault code P2563 Turbocharger Boost Control Position Sensor Circuit: Implausible. Replaced front brake pads and rotors.

Audi A6 / S6 in Colorado, United States Apr 2016 - Jun 2018
May 2018 13000 mi	Air bag light was on due to broken driver's seat belt buckle not working. It was replaced under warranty.

Audi A6 / S6 in Kentucky, United States Feb 2017 - Nov 2021
Aug 2020 43000 mi	Cracked water jacket

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Audi A6 / S6 in California, United States Jan 2016 - Sep 2016
Jul 2016 9200 mi	The nut in the bottom right of the license plate housing fell in.

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Audi A6 / S6 in Florida, United States Sep 2015 - Oct 2016
Oct 2016 21000 mi	Turbo had a failed seal

Audi A6 / S6 in Arizona, United States Apr 2015 - Nov 2022
Sep 2015 2000 mi	Diesel exhaust system cleaning was not occurring. Dealer installed a missing fuse which was missing from the factory and not caught during PDI.
Sep 2019 34000 mi	Fuel flap on body was not unlocking consistently.

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Audi A6 / S6 in Singapore Apr 2016 - Jul 2018
Feb 2018 18600 mi	Thermostat
Jul 2018 22320 mi	Rubbing noise every time I turn left

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Audi A6 / S6 in California, United States Jun 2015 - Dec 2016
Nov 2015 1900 mi	Water leak from A/C soaked carpet and computer modules on floor. Required replacement of carpet, cleaning of mold, and exchange of computer modules.
Jan 2016 2300 mi	Trim damaged during last repair had to be repaired. One piece of trim was glued instead of replaced. More trips. Rattle on sunroof and dash. Rear seat leather replaced due to bad appearance. Replaced leather seat had creases than required a further trip to fix.
Apr 2016 4000 mi	Rattle on sunroof. Broken trim on seat.
Dec 2016 10000 mi	Sunroof rattle never fixed.

Audi A6 / S6 in Massachusetts, United States Jun 2021 - Jun 2022
Jun 2022 60000 mi US $1200	front brakes

Audi A6 / S6 in Colorado, United States Nov 2016 - Apr 2017
Jan 2017 8000 mi	Front rotors had hot spots. Rotors were replaced.

Audi A6 / S6 in Ohio, United States Feb 2016 - Jun 2018
Apr 2016	MMI System was basically inoperative unless I hard rebooted the system 1-2 times every time I drove the car.
Sep 2016 5000 mi	The cooled seats seemed inoperative
Dec 2016 8000 mi	MMI had to be replaced

Audi A6 / S6 in Illinois, United States Jun 2016 - Jun 2018
Aug 2016	Knocking sound over bumps. Not identified or fixed.

Audi A6 / S6 in Arizona, United States Feb 2015 - Jun 2018
Jun 2018 32000 mi	2 front wheel bearings replaced

Audi A6 / S6 in Texas, United States Mar 2016 - Jun 2018
Dec 2017 24000 mi	Went for a oil change and found the thermostat was leaking repaired but took extra time
Apr 2018 29000 mi	Had a leak on the water pump, second repair but this time they replaced brackets and a few other things 2000 miles later all seems good

Audi A6 / S6 in Ohio, United States Oct 2020 - Jun 2022
Nov 2021 61000 mi US $1800	MMI Unit replaced
Jan 2022 63000 mi US $566	Rear pads and rotors

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Audi A6 / S6 in Ireland May 2017 - Jun 2022
Sep 2017 83700 mi	Matrix headlamp was malfunctioning, auto dim did not work
Jun 2018 103540 mi €300	Boost pressure sensor was replaced and software updated.

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Audi A6 / S6 in Ontario, Canada Mar 2016 - Sep 2018
Dec 2016 11780 mi	Sensor for external thermometer needs replacement. LED light in door handle not working. Buzzing from centre dash speaker.
Apr 2017 12400 mi	Buzzing front centre speaker. Not fixed. They replaced the speaker but it appears to be caused the vibration from lower notes when playing music.
Jun 2017 15500 mi C $359	Centre speaker/HVAC grill on centre of dash was vibrating
Mar 2018 21080 mi	Rattle from rear right.
Jun 2018 22320 mi C $1700	In addition to the maintenance tuneup, there was a rattle/squeak from the rear right side of the car that they tried to diagnose and repair but did not do successfully.

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Audi A6 / S6 in Ontario, Canada Jan 2015 - Mar 2016
Mar 2016 33480 mi C $85	The ACC (automatic cruise control), lane departure, cameras, etc., intermittently not working. Problem located to driver's door open/close switch. Replaced. Problem solved.

Audi A6 / S6 in New York, United States Jul 2014 - Jul 2022
Dec 2014 6000 mi	Water entered one of the rear light units requiring that it be replaced
Apr 2017 52000 mi	Drivers side mirror motor was replaced because the mirror could no longer be adjusted horizontally.
Jul 2017 57000 mi	The ACC (automatic cruise control), lane departure, cameras, etc., stopped working. Problem was driver's door open/close switch. Replaced. Problem solved.
Sep 2017 62000 mi	Dealer replaced the right rear wheel bearing under warranty
Jul 2019 95000 mi US $1200	Replaced both motor mounts
May 2020 111000 mi	Glow plug pressure sensor replaced
Nov 2020 119000 mi	Nox sensor replaced
Dec 2020 120000 mi US $1400	Replaced MMI screen/monitor
Apr 2021 123596 mi US $3136	Replaced Rear Right Light Assembly Replaced Ad Blue Pump, Differential Pressure Sensor, Reductive Agent Injector and Reductive Agent Tank
Jun 2021 126000 mi US $1000	Replaced G784 Particulate Sensor
Dec 2021 136000 mi US $3800	Replaced Oil Cooler

Audi A6 / S6 in Nevada, United States Sep 2015 - Sep 2017
Oct 2015	Air bag sensor failure
Aug 2016 5600 mi	Electronic systems hard drive failure. System software upgrade was attempted but was unsuccessful. Hard drive replaced.

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Audi A6 / S6 in Minnesota, United States Aug 2017 - Jan 2022
Sep 2017 20000 mi	Both front wheel bearings repaired under factory warranty to eliminate a noise. TSB 2042603/1
Jun 2018 29000 mi	Driver's side folding mirror motor failer
Nov 2021 54000 mi US $200	Alignment after new tires Battery replacement

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Audi A6 / S6 in New York, United States Oct 2014 - Sep 2017
Dec 2015 12000 mi US $185	Check engine light

Audi A6 / S6 in New Jersey, United States Sep 2014 - Jun 2016
Jul 2015 8300 mi	Wheel bearing was bad - replaced under warranty

Audi A6 / S6 in North Carolina, United States Jun 2018 - Jul 2022
Jul 2022 80000 mi US $3002	Valve cover gasket replace, media blast intake valves, replace oil filter flange. oil separator replace

Audi A6 / S6 in New York, United States Dec 2017 - Jul 2022
Jun 2021 61000 mi US $250	exhaust filter

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Audi A6 / S6 in Maryland, United States Nov 2016 - Feb 2018
May 2017 17000 mi	Required kit rebuild of mechatronics unit.
Oct 2017 22000 mi	Knocking sound from front right of suspension going in and out driveways, speed bumps, etc. Replaced both wishbone control arms.

Audi A6 / S6 in Maryland, United States Jul 2014 - Jul 2016
May 2015 11300 mi	Three buzzes in dash/sunroof addressed, none fixed. Center dash speaker assy replaced under TSB, still rattles when using car for Bluetooth phone reception as before.
Aug 2015 15000 mi	Still not fixed after another attempt during routine service visit ... three buzzes in dash/sunroof addressed, none fixed.
May 2016 25000 mi	Car returned multiple times for "cannot duplicate" or both control arm replacements, ultimately entire right front strut assembly replaced as car would knock or snap on turning into driveway, parking garage inclines, etc. Was progressive ...
Jun 2016 26000 mi	Right-side surround-view camera (integral to mirror) replaced due to failure
Jul 2016 26000 mi	Sunroof developed loose internal part that rattled loudly when open to comfort position, became much louder as speed increased. Could not diagnose. Sounded like a leaf, but louder and no leaf found.

Audi A6 / S6 in Michigan, United States Jul 2013 - Dec 2015
Aug 2013	Got a message that I could not drive the car over 4,000 RPMs due to Heat Soak
Jan 2015	Replace harmonic balancer

Audi A6 / S6 in Kansas, United States Jul 2017 - Jun 2018
May 2018 52000 mi US $75	Replaced motor mount

Audi A6 / S6 in Saudi Arabia Apr 2014 - Mar 2019
Mar 2014 27900 mi ﷼1000	Audi S6 Turbocharger Oil Leak / fixed at dealer still leaked again despite the new part of gasket and o ring
May 2017 33480 mi ﷼2000	MMI freezes on source option no cd working /no entertainment cable function. The only thing working is the radio . Checked with Audi warranty didn't cover and was required to change the whole MMI front unite .
Feb 2018 40 mi ﷼4000	joints and wheel bearing
Feb 2019 51460 mi ﷼9000	1- Transmision fluid was changed @?????? 40K. KM. 2-experienced the last 5 days a slight jerk when reaching to a full stop as if someone is bumping you from the back. 3- Drove today normal driving parked the car and got in, restarted the car and hit R - NO reverse got a light " Transmission Malfunction No Reverse Gear, Continue Driving" 4- continued driving for 10 km shifting between 1-3-5-7 . 5- next light comes up - transmission overheating- and i can smell the trans fluid burning. 6- continued a bit then stopped and called a toe truck.

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Audi A6 / S6 in Massachusetts, United States Feb 2021 - Feb 2022
Sep 2021 140000 mi US $2000	Replaced left front wheel bearing

Audi A6 / S6 in Indiana, United States Apr 2014 - Feb 2019
Dec 2017 31000 mi	Automatic Sop/Start stopped working. Automatic Stop/Start module/part replaced

Audi A6 / S6 in North Carolina, United States Dec 2013 - Jan 2019
Jun 2014 10000 mi	Check engine, Glow plug warning light and particulate system warnings. Software update fixed problems.
Mar 2016 45000 mi	Back up camera quit working
Apr 2018 82000 mi US $2000	Noise coming from rearend. worn Parts replaced

Audi A6 / S6 in Illinois, United States Nov 2013 - Dec 2014
Mar 2014 3000 mi	Defective catalytic converter was finally identified as the cause for a check engine light. New part shipped from Germany. No issues since returned

Audi A6 / S6 in Pennsylvania, United States Jun 2013 - Jun 2018
Nov 2016 50100 mi	Steering wheel made whining noice when turning at low speed.
Feb 2018 68 mi	Emissions compliance modification

Audi A6 / S6 in Pennsylvania, United States Jun 2021 - Jun 2022
Jul 2021 76000 mi	Diesel exhaust (NOX) sensor replaced
Feb 2022 84000 mi US $170	Front brake pads and rotors replaced

Audi A6 / S6 in Illinois, United States Nov 2013 - Feb 2019
Dec 2017 63000 mi	tire pressure monitoring system
Jun 2018 66000 mi	ACC light illuminated

Audi A6 / S6 in Alabama, United States Nov 2014 - Jun 2018
Jun 2015 31000 mi	While driving at 65mph the sunroof exploded. The shade was closed so no glass hit the occupants but it made a very loud noise. Audi replaced the sunroof at no charge citing "customer goodwill" as the reason for making the repair for free.
Oct 2016 49300 mi	Air circulation fan in the dash board started making a very slight scraping noise. It wasn't very loud but the A6 is so quiet on the highway that I could hear the noise and after a while it became annoying. Audi replaced it at no charge.

Audi A6 / S6 in Ohio, United States Sep 2014 - Jan 2022
May 2021 128000 mi US $5000	power steering column sensor failure
Nov 2021 132000 mi US $5000	water pump failure

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Audi A6 / S6 in Texas, United States Dec 2016 - Feb 2022
Mar 2021 70000 mi US $800	Coolant tank thermostat stopped working; had to replace entire coolant tank.

Audi A6 / S6 in Pennsylvania, United States Mar 2015 - Jun 2018
Sep 2017 41000 mi	Repaired malfunctioning backup camera. Had water in it.

Audi A6 / S6 in Rhode Island, United States Nov 2013 - Jun 2015
Jun 2014 5000 mi	Fuel cap door would not close

Audi A6 / S6 in New York, United States Apr 2014 - May 2018
Jun 2014 2000 mi	Second trip to dealer to address harsh downshifting from 4th to 3rd and 3rd to 2nd. Unable to fix. They stated transmission has no fault codes and that the harsh shifting should go away as I continue to drive.
Mar 2015 14000 mi US $28	Blown ignition coil on cylinder #1

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Audi A6 / S6 in Indonesia Jul 2017 - Jun 2022
Apr 2018 17360 mi $150	Pressure Switch sensor replacement part # 4HO 959 126B

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Audi A6 / S6 in India Nov 2014 - Jun 2022
Jun 2017 4526 mi	Replaced front LHS wishbone Replaced LHS wishbone and earlier, control arm replaced but noise still persists
Jan 2018 5580 mi	The vehicle has been sent several times to the workshop for rectification of sound from front right suspension without any results. Dealer continues to say there is not issue, whereas, the repairs were unsuccessful.
Feb 2022 16120 mi $400	Car would not start due to low battery charge. Needed to be jump started. Same issue recurred 2 days later when it was jump started again and once again car does not start.
Jun 2022 16740 mi $65300	Steering control module failed and had to be replaced Battery replaced as it had gone dead

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Audi A6 / S6 in North Carolina, United States Nov 2020 - Nov 2021
Dec 2020 63000 mi US $3500	Bad water pump - manifested as low coolant warning. Error codes indicated several bad hoses that may or may not have required replacement, but increased cost of repairs as a result.

Audi A6 / S6 in Alabama, United States Dec 2013 - Jun 2018
Apr 2014 1300 mi	Stiff steering. At 70 mph difficult to maintain lane control. Requires excessive force on steering wheel. Causes forearms to be sore after a two hour trip. Most cars can be controlled with one finger which requires less awareness of effort.
Sep 2015 9000 mi	Stop-Start system does not function properly. Dealer does not recognize it as problem.
Sep 2016 12000 mi	Stop-start system issue still not resolved. Engine does not always stop. When it does stop, the drive train does not always engage immediately. Sometimes three or four seconds to engage. Abrupt start occurs.
Nov 2017 17000 mi	Engine restart system still not functioning properly. Nothing done to repair it. VERY dissatisfied with this dealer. Will never go back, especially since warranty expired.

Audi A6 / S6 in California, United States Apr 2015 - Jun 2022
Jun 2021 69000 mi US $350	headlight light bulb

Audi A6 / S6 in Texas, United States Dec 2013 - Apr 2016
Sep 2014 5000 mi	Pressure switch faulty and replaced under warranty

Audi A6 / S6 in Maryland, United States Sep 2014 - Jun 2022
May 2018 39000 mi US $80	Replace oil pressure sensor. Check engine was coming on after letting up on accelerator following hard acceleration.
Jun 2022 57000 mi US $1600	clean carbon buildup from secondary air system

Audi A6 / S6 in Colorado, United States Nov 2014 - May 2022
Jun 2017 46000 mi US $450	new pads all around and new front rotors

Audi A6 / S6 in Georgia, United States May 2014 - Dec 2016
Jun 2014 6000 mi	There was a faint fluttering noise that occured when driving over 45mph. Audi had one of their long standing mechanics ride with me until we heard it. He immediately figured out what the issue was, a wheel bearing, and had it fixed within 24 hours.
Jun 2015 16000 mi	Distant train whistle sound coming from vent when A/C was on.
Aug 2015 17100 mi	fan makes a intermittent whining noise when A/C is on.

Audi A6 / S6 in New Jersey, United States Dec 2016 - Aug 2017
Jan 2017 32000 mi US $523	an error light came on stating that the lane changing system was in-operable. The dealer said that the sensors can get out of alignment. about 4 hours of labor to fix.

Audi A6 / S6 in California, United States Jun 2014 - Jan 2022
Dec 2017 41000 mi	Car began shuttering/vibrating when braking (just like back at 9,000 miles when dealer replaced brakes/rotors under warranty). Was told pads still had 50% life left, but rotors needed replacing. Complained to dealer. Told to call Audi. Told the same thing. Then emailed Dealer Service Manager with all receipts and recent inspection report. Told to bring car back in. On inspection, only right front rotor was "scoring". Dealer replaced both front rotors and pads - No charge
Oct 2021 94000 mi US $700	water pump was leaking, replaced

Audi A6 / S6 in Maryland, United States Dec 2013 - Dec 2017
Dec 2014 26000 mi	Intermittent cruse control issue
Sep 2017 85000 mi US $1200	Rotors warmed AGAIN.

Audi A6 / S6 in Florida, United States Nov 2016 - Jan 2022
Apr 2019 60000 mi US $300	Some Windshield washer sprayers not spraying even with cleaning. Windshield wipers mechanics replaced.
Jun 2021 66000 mi US $200	Main headlight Burnt out

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Audi A6 / S6 in Tennessee, United States Jul 2013 - Jan 2014
Jan 2014 15000 mi	MMI update to fix sound and functionality issues. Squeaky steering column

Audi A6 / S6 in Connecticut, United States Dec 2016 - Dec 2017
Jun 2017 41000 mi	Vent drain

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Audi A6 / S6 in New Zealand Aug 2016 - Jan 2022
Jun 2017 49600 mi	Hard drive failure prevented Satnav and the 'media' link from booting up. Radio and car selections worked fine. Replaced free of charge under a third party warranty
Dec 2020 68820 mi $500	Worn. Replaced with non oem parts

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Audi A6 / S6 in Kansas, United States Feb 2014 - Sep 2015
Mar 2014 22000 mi	coolant leak at turbo rumble noise in rear shock mounts
May 2014 24000 mi	poor radio quality
Sep 2014 29000 mi	a/c quit working suddenly. The failure was a high pressure switch, which was replaced fixing the problem

Audi A6 / S6 in Pennsylvania, United States Apr 2014 - Feb 2020
Nov 2014 20000 mi	Coolant leak on line going into right hand turbo. Apparently a common issue with 4.0T V8s. Dealer replaced coolant lines and seals for both turbos. Issue has been resolved.
May 2015 27900 mi	Occasional hesitation in acceleration. I suspected it was related to a flash for the DSG, but the dealer replaced some of the ignition coils.
Jul 2017 58000 mi	Adaptive cruise control would deactivate after a few minutes of driving. Dealer advised that a wire was loose, so there was no charge for the repair.

Audi A6 / S6 in New Jersey, United States Feb 2013 - Apr 2014
Sep 2013 5000 mi	There was a campaign update.

Audi A6 / S6 in Georgia, United States Sep 2012 - Jun 2022
Oct 2013 12700 mi	Low power, rough engine, flashing check engine light. Problem gone after restart of engine. Dealer claims ECM software update fixes the fault codes found (exhaust cam position). Check engine light from a fault code from the secondary air injection system. Dealer performed vacuum test (requires removal of the front bumpber) and found a cracked T-fitting. Replacement of part fixed the issue.
Feb 2015 25000 mi	Black residue on turbos where coolant lines are connected -- lines replaced per TSB
Mar 2015 25000 mi	Installed TSB2035235/2 to address throttle lag that occurs while reapplying throttle immediately after braking.
Jun 2015 28000 mi	Intermittent image failure from backup camera.
Aug 2015 28900 mi	Engine occasionally will stall after fuel fill up. Dealer was not able to replicate the problem.
Aug 2016 36000 mi US $1400	Valve in oil separator failed causing a very loud high pitched whistle.
Sep 2016 37000 mi US $1500	Enginee stall after filling tank while car was hot. Problem traced to bad N80 valve and also required replacement of charcoal canister which was full of raw fuel.
Sep 2020 56000 mi US $175	Replaced all 8 spark plugs due to misfire on one cylinder (spark plug showed wear/damage).

Audi A6 / S6 in Florida, United States Feb 2014 - Sep 2016
Apr 2014 4500 mi	Replace charge air cooling pump V188 due to internal short, which blew a fuse and took several engine sensors offline. Took a week to diagnose, order parts, and install. Also did 5,000 mile service.
Nov 2014 15000 mi	Small coolant leak repaired at the left (driver's side) turbocharger. Known issue that required the line and seal to be replaced with updated parts.
Feb 2015 19000 mi	Underhood plastic trim panel came loose, making the hood difficult to latch easily.
Sep 2015 28000 mi	Driver's seat frame broken (again) allowing seat to rock back and forth
Nov 2015 33000 mi	Small coolant return hose to expansion tank developed 3 small cracks, causing a small coolant leak. Replacement hose ordered & installed.

Audi A6 / S6 in Illinois, United States May 2015 - Dec 2018
Mar 2016 50000 mi	Exhaust flap motor failed
Aug 2017 67000 mi	PCV valve replaced

Audi A6 / S6 in New York, United States Jan 2017 - Jun 2022
Jan 2019 49000 mi	Plastic cowling by hood latch was loose and was replaced by same.
Sep 2019 52000 mi US $2250	Both turbo failed Audi covered 75% of out of warranty repair due to know issue of oil check valve and filter screen causing oil flow starvation to turbos
Jun 2021 54000 mi	Top off coolant in overflow tank
Jun 2022 55000 mi	no problem found. If problem persists, dealer will run full diagnostics. It may be a failing coolant overflow tank level sensor.

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Audi A6 / S6 in Great Britain Jan 2021 - Jan 2022
Apr 2021 53000 mi £190	Caliper replaced on right hand side. Causing rubbing noise.
Jul 2021 56000 mi £240	Caliper left hand side replaced. Causing rubbing noise and getting progressively worse. Inspection for coolant leak as car using 1l a month. Leak not found. Car now using a liter a fortnight must get it looked at again in hope it can now be found. Suspect it's in the heating system as worse in the winter.

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Audi A6 / S6 in New Jersey, United States May 2013 - Apr 2014
Oct 2013 5700 mi	Heat worked intermittently. Sometimes would not come on for very long time (over 20 minutes).

Audi A6 / S6 in Georgia, United States Apr 2013 - Oct 2016
May 2013	Horn activated on its own while driving

Audi A6 / S6 in Maryland, United States Mar 2013 - Jan 2016
Nov 2013 9000 mi	TSB for steering issue

Audi A6 / S6 in Ontario, Canada Apr 2013 - Jun 2022
Apr 2014 4540 mi	TSB Steering TSB Engine software update Not enough bass in Bose system. Found TSB to flash the amp.

Audi A6 / S6 in New York, United States Feb 2014 - Jun 2018
Nov 2015 16000 mi	Hood light stayed on. Door locks were out of sync.

Audi A6 / S6 in Tennessee, United States Aug 2017 - Jun 2022
Jan 2018 34500 mi US $518	Front upper control arm bushings were cracked. Bushings replaced. Inspection found a problem with fuel door lock actuator. Declined repair.

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Audi A6 / S6 in Trinidad and Tobago Jan 2017 - Jun 2022
Aug 2017 55323 mi	Routine maintenance service
Feb 2018 59520 mi $850	Water pump failed and had to be replaced.
May 2021 79471 mi $200	Windshield Washer Motor Replace Engine Coolant Reservoir since we have had to add coolant on a number of occasions. Still losing coolant. The mechanic indicated that the coolant and oil usage is normal for the age of the age vehicle but when I compare it to my other vehicles it sticks out as being very high. Most if the vehicles require little or no added coolant while the Audi has to b topped up periodically. The vehicle never used to do that when it was new.
May 2022 84320 mi $1000	Replaced front wheel bearings Stabilizer bars replaced Vehicle aligned

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Audi A6 / S6 in Florida, United States Aug 2012 - May 2016
Oct 2012 1500 mi	Radiator leak
Nov 2013 18300 mi	Pressure switch

Audi A6 / S6 in Washington, United States Sep 2012 - Jul 2018
Jan 2013 24800 mi	Homelink system failed
Jul 2014 30000 mi	Motor for driver side folding mirror failed. Dealer replaced motor.
Jan 2016 22200 mi US $1000	Check engine light, emission problem.
Sep 2017 71000 mi	Fuel system recall
Dec 2017 79000 mi US $2000	Replace all pads and rotors

Audi A6 / S6 in Colorado, United States Feb 2022 - Jun 2022
May 2022 82000 mi US $800	Motor mounts replacement. Notorious of braking after 60k miles.

Audi A6 / S6 in Virginia, United States Aug 2015 - Dec 2017
Oct 2015 33000 mi	Had a bad motor on passenger side also heated steering wheel won't get warm
Oct 2017 69158 mi US $800	Intercooler radiator Coolant leak water pump

Audi A6 / S6 in Colorado, United States May 2013 - Apr 2017
Jul 2013 3800 mi	Engine light came on and caused rough engine performance. Reset after off/on cycle. Dealer replaced vacuum pump based on Audi reco. All work under warranty.
Sep 2014 22000 mi	Updated Mmi to resolve poor sound quality

Audi A6 / S6 in New York, United States Feb 2013 - Feb 2015
Aug 2013 6000 mi	Electronic steering makes loud grinding noise when turning the wheel in any direction.
Mar 2014 15000 mi	Steering boot inside car needed replacement because of continuous squealing noise.

Audi A6 / S6 in Minnesota, United States Feb 2013 - Jun 2018
Oct 2013 4200 mi	Main MMI knob next to shifter would scroll but not respond when pushed to make a selection. MMI was replaced at no charge.

Audi A6 / S6 in California, United States Jun 2012 - Jul 2015
Sep 2012 2000 mi	parking sensor failure seat and glove compartment rattles
Jan 2013 12700 mi	Jerky 2-1 downshift upon acceleration.
Jun 2014 18000 mi	GPS antenna not working around view cameras showed skewed images adaptive cruise control worked sporadically, would turn off at times. Braking guard would do same. navigation screen chattering when opening/closing
Jan 2015 7300 mi	Rattles on door and rear shelf
Jul 2015 25000 mi	Rattles never fixed. Sporadic failure of blind spot assist (it would turn off by itself)

Audi A6 / S6 in Colorado, United States Nov 2012 - Dec 2017
Jul 2013 13500 mi	Downshift from 2nd to 1st gear rough. Software upgrade fix. Change behavior after car has been driven and then stopped with a door being opened. Action switched from car full stop and automatically applying brake TO car remains running and brake needs to be manually applied when desired.
Mar 2014 26000 mi	Intercooler Radiator leaked from small rock damage through front grill
Dec 2016 64000 mi US $410	ECP light came on and car went into limp mode (restricted to <=3800RPM). They just reset the computer. MMI kept rebooting at random times.
Sep 2017 74000 mi US $900	New pads

Audi A6 / S6 in Tennessee, United States Apr 2013 - Dec 2014
Jan 2014	Needs a new license plate bracket. Screw fell off inside bumper, very hard to get to. Poor design. Dealer had to order it. Repairs will require a return trip.

Audi A6 / S6 in Florida, United States Jan 2015 - Jun 2016
Jun 2016 45000 mi	Very loud waterfall noise in dashboard

Audi A6 / S6 in Illinois, United States Jun 2015 - Jan 2022
Jul 2015 49500 mi	battery was discovered to be faulty, replaced under warranty durring inspection and service.
Sep 2016 56000 mi	AC was not cold. Unknown part replaced

Audi A6 / S6 in Nevada, United States May 2014 - Apr 2018
Jun 2014 17000 mi	Squeaky Steering column.
Feb 2015 21500 mi	About 20% of the time Gas Cap cover will not open. Replaced Actuator. Driver's Arm rest would not stay in selected raised-position. Hinge mechanism replaced

Audi A6 / S6 in New Jersey, United States Nov 2014 - Jan 2022
Apr 2016 29300 mi	LED's in drivers side mirror for turn signal stopped working. A red indicator light on dash signified a problem.
Apr 2018 42000 mi	Recall for possible fuel leak. Repaired. Made appointment a month in advance. Dropped car off the day before. Not repaired until the day after the scheduled appointment.

Audi A6 / S6 in British Columbia, Canada Jun 2013 - Jul 2020
Jul 2013 4960 mi	Heads up Display (HUD) stops working when dashboard is hot from car being parked in sun. Starts working again when car cools down. At same time automatic headlights turn on even though daytime out. Headlights also turn off when dasj cools.
Aug 2013 5960 mi	Return trip to fix heads up display and auto headlights not working when car parked with dash in the sun. Start working after car runs for around 15 min and AC cools. Dealer response is that behavior is normal. Third trip regarding HUD and auto headlights. Dealer investigating cause further. No resolution, but promised has been escalated from Audi Tech to Product Support.
Sep 2013 6820 mi	Dealer wanted car brought in when HUD and auto headlights were actiing up to take measurements. Replicated problem, took measurements, but still have no resolution.
Oct 2013 7720 mi	Ordered and installed a light and moisture sensor, which fixed the problem with the HUD and automatic headlights.
Feb 2014 13500 mi	MMI system (Nav, Radio, Telephone) crashes when ever search for a contact when using iPhone 5s. After around 30 seconds restarts again. Nav / Audio / Phone system received firm ware upgrade to address problem with Bluetooth phone address book when using Iphone 5S
May 2014 18600 mi	Vent in rear b-pillar has louvers closed, and louvers will not open. Replaced rear vent on passenger side B pillar
Sep 2014 23560 mi	LED strip (turn signal) in the driver's side mirror failed.
Mar 2016 44640 mi	Dealer caused issue. After new tires installed, steering wheel vibrated between 65 and 75 mph. Dealer rebalanced tires, resolved issue.
Jun 2018 79050 mi C $400	Gas filler door would not unlock. Required replacement of the filler door lock actuator, and also replacement of the filler neck skirt.

Audi A6 / S6 in Illinois, United States Feb 2014 - Mar 2018
Mar 2014 25000 mi	Bose sound system needed repair, sound was substandard quality.
Jun 2014 32000 mi	TSB 2034439/2 Intercooler radiator protection grill / shield
Aug 2015 61000 mi	Replaced SIM Card firmware due to TMobile Hardware change
Aug 2016 78600 mi	Check engine light, Catalytic converter malfunction. Performed ECM Software level update.
Jan 2018 105000 mi US $1650	Road debris damage of supercharger radiator. Replaced, and flush and fill radiator. There was a TSB from Audi 4 years ago (TSB 2034439/2) that identified the potential for a rock to enter through the tiny slits (2”) in the base of the A6 grill. They then provided a free plastic inside intercooler radiator cover to try an prevent the damage. I received that TSB. However it was not enough to prevent this from occurring. Arguably it could be considered a design issue. I am annoyed that even after getting the TSB, I still got the issue and had to pay $1600 for the repair.

Audi A6 / S6 in Idaho, United States Jul 2013 - Mar 2015
Apr 2014 10300 mi	Bluetooth MMI issues, update performed. Still having issues.
Jan 2015 6000 mi	Continued issues with NAV and bluetooth. GPS wouldn't lock. Had bad MMI system. Replaced with 2014 MY MMI system.

Audi A6 / S6 in California, United States Jan 2017 - Jan 2022
Jan 2018 81300 mi US $85	Saw two codes flash on secondary device, P2006 & P2007, which means there is a vacuum leak. Supercharger was removed to replace thermostat, mechanic may have left an air leak in the system to cause code and engine check light. Update: Turns out the dealership when they put it back together they crossed the vacuum lines on cylinder banks one and two, thus the check engine light. When they tore into it a second time they discovered their mistake and made the correction. Coolant temperature climbed as thermostat became stuck closed. Thermostat replaced, check engine light came on as I was leaving the dealership. Replaced by dealer under CPO warranty. Otherwise $1000.
Jul 2018 94000 mi US $85	control arm bushings were worn out and replaced, right & left side front, and left side rear.

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Audi A6 in Great Britain Dec 2012 - Apr 2013
Jan 2013	Knocking noise from front suspension or trim. Dealer failed to sort the fault.

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Audi A6 in Norway Feb 2013 - Jan 2022
May 2013 17980 mi	Had to exchange an electrical relay component that prevented the central locking from opening the fuel tank lid. Could not refuel.

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Audi A6 in Great Britain May 2012 - Jun 2018
Sep 2012 11000 mi	Both speakers replaced and door rattles fixed
Dec 2012 16000 mi	Xeon n/s headlamp unit replaced
Aug 2013 27000 mi	Rear sensors did not work. one sensor point defective causing system to fail

Audi A6 in Poland Mar 2015 - Apr 2017
Nov 2015 83260 mi $1200	Wishbone oil stabilizer leak. Noises when driving on harsh surfaces.
Jul 2016 99780 mi $200	Intermittent jerking while changing lower gears. Fix: software upgrade, reset to base settings, scheduled change of transmission fluid.

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Audi A6 in Florida, United States May 2014 - Jun 2022
Jun 2015 32000 mi	AC not blowing cold at all. Malfunction of AC pressure switch G395. TSB# 2020124/12. Replaced with revised part 4H0-959-126-A
Jan 2016 40300 mi	The diaphragm in the crankcase pressure regulating valve that was replaced last time was not sealing properly, causing hard start, rough idle, almost stalling, MIL. Entire valve replaced.
May 2020 91153 mi US $10	Recharge A/C with R-134a and PAG 46

Audi A6 in California, United States Feb 2013 - Jun 2016
Nov 2014 29700 mi	Breather valve(pressure regulating valve) was not working right, removed and reinstalled
Jul 2015 36300 mi	Sunroof wouldn't close Windshield washer nozzle inoperative AC was blowing hot air; AC pressure/temperature switch replaced

Audi A6 in Arkansas, United States Feb 2016 - Dec 2016
Apr 2016 79200 mi US $345	Mmi and nav update and upgrade pcv. Programmed a key

Audi A6 in New Jersey, United States Nov 2012 - Dec 2015
Dec 2012 22000 mi	Final drive of CVT was defective and the entire CVT was replaced under warranty. Symptoms included grinding noise when steering wheel was held off center(variable degrees) and card allowed to move slowly, the noise could be heard. Sunroof inoperative. Switch defective.
May 2013 30900 mi	Water leak into the interior of the car, past the seals around the front door speakers. Water that gets past the glass window bottom seal would go into the door and then leak past the speaker seal, into the interior of the car.
Feb 2014 45600 mi US $50	Fuel filler door failed to open. Had to replace the fuel filler flap actuator with a revised part. Bought the part myself and replaced it based on instructions obtained online. Problem has since been resolved.

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Audi A6 in Czech Republic May 2013 - Jun 2013
Jun 2013 25420 mi	Unstable steering, drifting to the left or to the rigt Can not set the Temperature, heating too much at the Winter, too much air blow noise from driving rod, part replaced

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Audi A6 in Illinois, United States Sep 2012 - Oct 2021
Feb 2014 26000 mi	The passenger airbag off light was on even with a passenger in the seat. The whole seat was replaced. Replaced front passenger seat pod air bag light
Apr 2015 41500 mi	replace right rear speaker replace crankcase breather valve
Jun 2017 64000 mi US $795	Replace mechatronic, repair wring harness
Mar 2018 73000 mi	Recall to replace fuel line
Oct 2021 107802 mi US $8630	Replace coolant pump, cooling fans, thermostat, water pump, cooling fan fuse, both motor mounts

Audi A6 in Ontario, Canada Jun 2012 - Jun 2016
Aug 2012 1984 mi	Noise from catalytic converter at around 1800 rpm. Faulty converter was replaced.
Jul 2015 16320 mi	Intermittent folding side mirror failure (would not fold/unfold). Short in control module was diagnosed after 2 trips. Module replaced.

Audi A6 in Michigan, United States Dec 2011 - Jun 2022
Feb 2012 2000 mi	Misaligned bumper in RR shock tower. Symptom audible thump on road bumps. Originally thought it was loose item in trunk. Noticed immediately post-delivery. Dealer identified, disassembled and reassembled. Problem resolved.
May 2012 6000 mi	Windshield washer fluid reservoir found to be leaking shortly after delivery. Waited until 5K service to address issue. Dealer determined it was not properly seated. Removed, inspected and reinstalled. All A-OK now.
Jul 2012 9000 mi	This is a continuation of a previously-reported issue with the windshield/headlamp/radar washer system previously reported. The reservoir leaked on delivery and the problem reappeared. A pump, coupling and bracket were needed to fix leak.
Dec 2012 15000 mi	Update of computer plus 15K scheduled maintenance and installation of winter wheel/tire package.
Dec 2013 26000 mi	Driver side door lock sensors inoperative. Dealer suggested it might be due to car wash. Working on pax side. Still not working on departure. In for routine 25K maintenance. I forgot to tell dealer about inop right side mirror retract.
May 2014 29000 mi	Driver side mirror would not fold back HomeLink system offline. Garage door button non-functional. Turned out to be loose ground wire in A pillar.
Nov 2015 43700 mi	Rt side mirror wouldn't retract to fold back position). Stuck in non-fully extended position. Couldn't adjust driver side view. Needed motor replacement. Not in stock, so took car home. Dealer picked up following week/repaired/returned.
Jun 2017 59000 mi US $100	Audi MMI - Multi Media Interface. Unit had erratic operation/ Controls would lock up, retractable screen would go blank and/or close and open intermittently, phone would lose pairing. Affected radio, satellite radio, navigation, phone and jukebox.
Jan 2018 62750 mi	Garage door link stopped functioning. Repair postponed. Will return in 2nd quarter. Discovered after reviewing service records that this problem resulted from improper repair 5 years ago on nearby wiring.
May 2018 64000 mi US $100	Garage door opener failed. Dealer found bad splice in wiring from PREVIOUS dealer repair from several years ago. Said it was "out of warranty" even though they had done the bad splice. I used my Audi extended warranty, which covered all but the $100 deductible on this $650 repair.
Nov 2021 98000 mi US $500	Cranking was substandard in cold temperatures. Battery 5 years old. Tested by dealer and replaced with Audi OEM. Not a job the typical owner can do.

Audi A6 in California, United States Oct 2013 - Dec 2015
Feb 2015 16000 mi	Car would not build any power when I hit the gas pedal. Poor acceleration from a stop.

Audi A6 in Washington, United States Jul 2014 - Jan 2022
Dec 2015 28000 mi	Replaced battery--in service for 4 years
Aug 2016 32600 mi	Steering angle sensor failed, took out ESP and Adaptive Cruise Cotrol

Audi A6 in Massachusetts, United States Aug 2014 - Jan 2022
Dec 2014 48000 mi	Control arm clunking, needed replacement. Wind noise from left rear door. Weather stripping replaced which largely resolved issue.
Jun 2015 56000 mi US $85	Faulty oil pressure switch causing code, replaced.
Sep 2016 76000 mi US $508	Front suspension control arm was clunking, replaced. Headlight control module showed error code, was replaced. Took several days to diagnose and get part.
May 2017 88000 mi	Vacuum pump at front of engine leaking oil onto coolant crossover pipe caused seals to fail, resulting in loss of coolant. Passenger front seat heat not reconnected properly after earlier work.

Audi A6 in California, United States Mar 2014 - Jun 2014
Jun 2014 51000 mi	Water pump went out

Audi A6 in Ontario, Canada Aug 2011 - Sep 2014
Jun 2012 9920 mi	Sound system went off for the 2nd time
Aug 2013 25420 mi	The passenger side mirror folded and would not unfold.
Mar 2014 29760 mi	Failure led to a cut in an electrical harness. Delay was 2 days for part delivery.

Audi A6 in California, United States Sep 2011 - Oct 2016
Aug 2014 36000 mi	Temp was running high. Thermostat replaced.
Mar 2016 56000 mi US $250	Took into for scheduled maintenance and said water pump leaking. Replaced with extended warranty. $250 deductible. Engine brackets cracked. Replaced brackets.

Audi A6 in California, United States Dec 2012 - Apr 2017
May 2013 9100 mi	Engine management indicated car was overheating (it was not).
Aug 2013 14100 mi	Could not open glove box door. Dealer replaced the glove box latch and lock. Driver's side sun visor was loose. Dealer replaced son visor
Sep 2014 33000 mi	With A/C on - blowing hot air. High pressure sensor failed dealer replaced. When the drivers side sun visor is deployed it will creep down blocking vision. Visor replaced. This is the 2nd time the visor has been replaced.
Oct 2015 50500 mi	Engine overheated thermostat defective. Replaced thermostat.

Audi A6 in Colorado, United States Nov 2012 - Jun 2018
Dec 2012 6000 mi	Tire Pressure Monitoring System: I had a flat while driving and the TPMS did not make an alert.
Aug 2014 20000 mi	The electric steering column was making noise as it descended. The dealer wound up replacing the entire column as just lubing it did not get rid of the noise.
Sep 2014 21000 mi	The adaptive cruise control was reacting/braking for cars that had moved into the left turn lane ahead.
Oct 2015 29300 mi	Driver sun visor wouldn't stay in position and was replaced under warranty.
Jul 2016 35300 mi	Left visor would sag back down when pushed up. It would not hold its position.
Dec 2016 38000 mi	The sagging driver side visor was"fixed" again. This time they may have finally fixed it. We will see as they do not try to adjust it, they only replace parts. The center console cup holder cover was not working. It was replaced and seems to be working well again. Left rear door rattles when closed,EVERYTIME!! Even though the service adviser could hear it when I brought it in, the tech and service manager said that they could not hear or reproduce it! What crap. Another bad service from Audi Denver
Nov 2017 45000 mi US $200	I had the car in for its scheduled maintenance. They noted that the water pump was leaking so i had them fix while it was in. They are supposed to do many checks during this major maintenance service. Sadly Audi Denver dropped the ball here. The battery was supposed to be checked, but less than two weeks later I had to replace the battery.
Feb 2018 48000 mi US $1200	The front brakes were down to metal on metal. Sensors never indicated that they were low.
Apr 2018 49000 mi US $400	Rear pads worn. This time sensor warning came on.
Jun 2018 50000 mi US $1200	The supercharger intercooler got a leak, possibly from a rock flying up into it and caused a dramatic leak.

Audi A6 in Massachusetts, United States Apr 2012 - Sep 2014
Sep 2014 50000 mi	Nav frequently failing and resetting. Notching when turning the steering wheel.

Audi A6 in Maine, United States Feb 2012 - Jun 2022
Feb 2015 34000 mi	Replace PCV valve, update engine management software for oil consumption.
Mar 2015 35000 mi	Replace right front bearing assembly
Jun 2017 62000 mi US $177	A/C recharge
Sep 2017 65000 mi US $900	Replaced front rotors, pads, brake linings.
Mar 2018 69000 mi	Replaced fuel line under recall.
Oct 2018 74000 mi US $750	Hangers [for exhaust]
Dec 2020 91000 mi US $700	Leaking transmission cooling valve.
Dec 2021 96000 mi US $1200	Replaced right front wheel bearings Replaced right front wheel speed sensor

Audi A6 in Illinois, United States May 2013 - Jun 2013
Jun 2013 23000 mi	cylinder compression

Audi A6 in California, United States Dec 2011 - Apr 2014
Aug 2012 14000 mi	Audi Lane Change Assist would sporadically turn off due to an intermittent short in the light indicator located in the driver side side mirror assy.
Apr 2013 22800 mi	Vertical motor for tilt function of steering failed. Steering column replaced.
Apr 2014 41000 mi	Overheating occurred caused by a bad thermostat. Coolant pump replaced as a precaution. Center support for driveshaft failed.

Audi A6 in California, United States Sep 2012 - Jul 2014
Dec 2012 17000 mi	Replaced motor on the passenger side mirror for fold-in functionality.
Feb 2014 30800 mi	Overheated. Thermostat replaced under warranty
Jul 2014 35000 mi	EVAP Small leak. Replaced valve or solenoid.

Audi A6 in Ontario, Canada May 2015 - Apr 2017
Sep 2015 15500 mi	MMI connection problems with telephones. Moonroof creaks and grinds
Feb 2016 15500 mi	Scheduled Maintenance. Ashtray cover broken. MMI screen does not come out occasionally. Ashtray cover replacement.
Mar 2016 15500 mi	Exhaust Rattle from flex pipes.
May 2016 16700 mi	MMI Screen motor/carrier caused screen to hang or not come out at all.
Dec 2016 30096 mi	Fuel Pump recall, dealership damaged fuel lines so gas was leaking. Repaired under warranty had to wait for fuel line.

Audi A6 in Alabama, United States Sep 2016 - Jun 2022
Sep 2017 76000 mi US $500	Trans fliud didn’t have replacement bolts
Dec 2017 82000 mi US $800	Water pump
Nov 2019 11000 mi US $2500	Radar

Audi A6 in Pennsylvania, United States Jan 2017 - Jun 2018
Feb 2017 50000 mi US $99	EMISSIONS EVAP LEAK
Jun 2017 52000 mi US $300	rear brakes
May 2018 57000 mi	[A/C] DID NOT REPAIR IT AS NOW.

Audi A6 in Missouri, United States Mar 2016 - Jul 2018
Jul 2016 52300 mi	had fuel door actuator replaced
May 2017 61000 mi	front lower control arms to resolve clunk I had the motor replaced for the info screen that sometimes hung up.

Audi A6 in California, United States Dec 2015 - Jun 2018
Jan 2017 78000 mi	One catalytic converts broke but was still under warranty
Sep 2017 87000 mi	85K service was completed and they noted one broken and one cracked motor mount.
Feb 2018 92300 mi	Replaced two motor mounts. I bought the car with 67k miles and is my first Audi so I bought a warranty (not from the dealer) and motor mounts are covered.
Apr 2018 95000 mi US $1250	Less than 3mm on front brake pads so replaced pads, rotors, and flushed and replaced brake fluid.

Audi A6 in Pennsylvania, United States Sep 2016 - Feb 2018
Jan 2018 74000 mi US $900	Cracks were discovered in the inner lower control arm bushings and would not pass state inspection. We opted to replace all lower and upper control arm bushings while the repair was being performed.

Audi A6 in New York, United States Sep 2014 - Jun 2018
Sep 2015 67000 mi US $86	passenger side mirror motor needed to be replaced.
Apr 2016 89000 mi US $53	Rear view mirror came off and the O-ring needed to be replaced so it would snap on properly and stay secure.
Jul 2016 97000 mi US $85	Engine light on and was covered under extended warranty. $85 deductible. Replaced sensor, but light now back on. Had brakes done but that was normal wear.
Mar 2017 123000 mi US $700	They said the motor mounts were bad. One had leaked completely and the other one is leaking. Total to fix was $1600. I said thanks but no thanks at this time as I do not notice any vibrations. Will shop this repair around as i think I can get it for cheaper than at the dealer.
Jun 2017 133000 mi US $825	Catalytic converter snapped off from engine. It was a clean break therefore the shop was able to weld it back together. Saved about $1,000. Part alone was going to be 950. According to dealer this happens quite often which begs the question why the hell Audi doesn't do something about it.
Jul 2017 135000 mi US $1200	Engine mounts on both sides were leaking so I had them replaced at a cost of 1200. Dealer wanted 1600.
Aug 2017 137000 mi US $150	Car is jerky in gears 1-3. Took it to my guy and then to the dealer. Both said it needed a new transmission. Tried the software adjustments to no avail. Second Audi, Second transmission issue. Once I'm done with this car I am never buying another audi again.
Jan 2018 149000 mi US $1300	Brakes, normal wear and tear.

Audi A6 in California, United States May 2012 - Jan 2022
Apr 2021 20651 mi US $1566	Cylinder 3 went dead. Dealer replaced injector, ignition coil and spark plug.

Audi A6 in Nevada, United States Apr 2013 - Jun 2022
Dec 2018 51000 mi US $1700	Rear brake pads
Jun 2021 63000 mi US $2500	Front brakes and repair of an engine mount.

Audi A6 in Wyoming, United States Oct 2016 - Dec 2021
Mar 2018 67000 mi US $200	Transmission cooler valve replaced. $105 for the valve and $87 for labor.
Sep 2018 73000 mi US $250	Premature failure of front upper control arm bushings. Replaced all front upper control arms.

Audi A6 in New Hampshire, United States Dec 2015 - Nov 2021
Aug 2016 44000 mi	Epc light turned on and limited rpm to 4000. Dealer checked and replaced an oil pressure switch.

Audi A6 in Connecticut, United States Dec 2014 - Aug 2020
Dec 2017 66000 mi US $3000	Front & Rear Pads & Rotors Leaking & Cracked Motor Mounts (2)
Mar 2018 70000 mi	Needed to have both front and rear rotors replaced after 3000 miles - Defective parts that were replaced previously in Dec 2017. No cost to me...

Audi A6 in Texas, United States Feb 2015 - Jan 2019
Feb 2016 67000 mi	Transmission control module software update
Apr 2017 98000 mi US $2000	brakes unevenly worn; bad install reported; new pads and rotors placed

Audi A6 in California, United States Dec 2014 - Oct 2015
Jan 2015	backup camera wont engage sometime
Oct 2015 57000 mi	thermostat replacement under warranty

Audi A6 in North Carolina, United States Nov 2014 - Jul 2017
Oct 2016 74000 mi US $399	valve cover gaskets had to be replaced due to a leak.

Audi A6 in Utah, United States Aug 2016 - Jul 2022
Nov 2016 65700 mi US $300	gas cap lock would not unlock
Jun 2017 78000 mi US $150	both front wheel bearings replaced
Sep 2017 76000 mi US $1300	When idling the ac would not stay cold, they found a fuse and the AC fan needed replaced
Dec 2017 80000 mi US $300	Painted calipers and replaced pads with EBC red pads
May 2018 82000 mi	Front left wheel bearing needed replaced, it was less then a year since the last replacement so it was covered by the dealership
Sep 2018 86000 mi US $100	wheel bearing went out again a recall item failed that was giving me a couple warning lights intermittenly, one was that my side detection sensors were not working properly. I cannot remember the other warning light, but the dealership determined it was a airbag harness that was recalled and replaced a while ago had failed so they covered replacing that
Jan 2021 112000 mi US $3000	PCV Valve went out, being it is under the supercharger it was advised I replace the water pump, thermostat and pipes

Audi A6 in New Jersey, United States Mar 2015 - Jul 2017
Jun 2015 32000 mi	Issues with blind spot sensors shutting down in heavy traffic, misc. MMI freezes, etc. Dealer updated MMI software.

Audi A6 in Virginia, United States Apr 2015 - Dec 2017
Dec 2015 57000 mi	One of the parking sensors failed
Dec 2017 89000 mi US $1300	Water pump was failing, replaced water pump. Pads were worn, replaced pads and rotor

Audi A6 in New Jersey, United States Dec 2014 - Jun 2022
Oct 2014 20000 mi	Glove box was inoperable - could not be opened. Replaced glove box
Dec 2014 21000 mi	Replaced right rear shock
Jan 2018 41000 mi	Hood latch wasn't working - needed lubrication.

Audi A6 in New York, United States Mar 2015 - Oct 2019
Mar 2016 51000 mi	Check engine light, code P2753, Transmission Fluid Cooler Control Circuit/Open. Replaced valve, repaired wiring harness, replaced connector.
Jun 2018 81000 mi US $350	A/C Pressure sensor failure. Replaced, system evacuated, recharged and leak tested. Repair listed for ~$500, had $150 coupon which was nice.

Audi A6 in North Carolina, United States Sep 2015 - Aug 2018
Dec 2015 36000 mi	The F module failed and caused problems with Nav, Audio
Jun 2016 37000 mi	The iPod was not loading into the MMI. Software update. Repair complete.

Audi A6 in Pennsylvania, United States Aug 2015 - Nov 2017
Jan 2016 47300 mi	Glove box lock replaced.
Jun 2016 41000 mi	Sunroof making squeak noise when opening /closing. MMI knob peeling.
Apr 2017 52500 mi US $85	The timing chain rattled very loudly on cold starts for well over two minutes. On hard starts it would rattle for about thirty seconds. There is a TSB to correct this issue and resulted in the timing chain tensioners being replaced.
Nov 2017 56000 mi US $500	Audi Atlanta damaged exhaust components after trying to repair another issue they created. This occurred multiple times. I finally took the car to Audi Marietta to fix all the problems caused by Audi Atlanta.

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Audi A6 / S6 in Great Britain Jun 2017 - Jul 2018
Jul 2018 126000 mi	intermittent power steering failure

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Audi A6 / S6 in Maine, United States Jun 2017 - Jul 2022
Jan 2018 89000 mi	Car was purchased with new set of tires and an alignment. This was not completed by Audi dealer. shortly after delivery it was apparent that alignment was not correct - took to local audi dealer to realign. Since then all has been fine.
May 2018 96000 mi US $50	replaced rear hatch struts and interior trim pieces.
Sep 2021 146000 mi US $1200	DS R spring replaced. Rear & front shocks also replaced

Audi A6 / S6 in Virginia, United States May 2021 - Jan 2022
Dec 2021 47000 mi US $650	power seat module not resetting, seat would not move.

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Audi A6 / S6 in California, United States Aug 2017 - Sep 2018
Aug 2018 79000 mi US $900	DS headlight cluster failure PAx front airbag replaced Failed seal on gas cap led to warning light intermittently illuminating

Audi A6 / S6 in Georgia, United States - Feb 2015
Feb 2015 38000 mi US $389	Thermostat and coolant hose failed/broke. Replaced under warranty.

Audi A6 / S6 in California, United States Jun 2014 - Jul 2022
Jul 2014 42000 mi	visor clip broke, it was replaced.
Oct 2017 77000 mi	Back up camera would not come on when the car goes in reverse

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Audi A6 / S6 in Washington, United States Oct 2014 - Mar 2017
Mar 2015 73000 mi US $1000	replace faulty headlight assemblies due to extreme condensation build-up due resulting from wet weather conditions.
Feb 2017 88000 mi US $1500	Oil gasket leaks found in 2 places. Turbo charger needed replacement.

Audi A6 / S6 in Connecticut, United States Sep 2016 - Jun 2018
Jun 2017 149500 mi US $15	Since purchasing with approximately 143,000 miles, the engine has used a lot of oil, a quart every 670-900 miles(!) A mechanic friend suggested adding Seafoam to the engine oil, which I did for approximately 200 miles before changing the oil. We'll see if it helps.
Sep 2017 151500 mi US $400	Two (plastic!) coolant bleeder screws were broken and leaking near the supercharger. Had to be tapped out, remnants of plastic in threads removed, and new screws installed. After the repair, oil usage increased dramatically (1 qt every 200 miles or less!). Couldn't get back to shop to have them address for a few months, then went on a one-month long trip during which the car just sat. After sitting for that month, oil consumption has fallen to nearly 900 miles last time I checked. Quite bizarre!
Apr 2018 156000 mi US $2000	Car was hemorrhaging coolant from a gasket under supercharger. Had intake valves cleaned while the supercharger was off. Access plug to left headlight was missing and allowed water to get in, destroying wiring and ballast, so used headlight assembly was installed.

Audi A6 / S6 in California, United States Nov 2015 - Sep 2018
Dec 2015 82000 mi	Head gasket replacement.
Aug 2018 98000 mi US $500	Passenger airbag recall 95000 Major service
Sep 2018 98000 mi US $76	Replaced third brake light

Audi A6 / S6 in Illinois, United States May 2017 - Jun 2018
Jun 2018 70000 mi US $93	The auxiliary radiator was leaking and had to be replaced. Checked cooling system for leaks, discovered pin hole leak in radiator. Pressure test cost $93.

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Audi A6 / S6 in Illinois, United States May 2014 - Mar 2018
Apr 2015 50500 mi US $500	Replaced battery

Audi A6 / S6 in California, United States May 2014 - Jun 2022
Jan 2017 55300 mi US $1600	Broken cross pipe leading to thermostat malfunction.

Audi A6 / S6 in Virginia, United States May 2014 - Jul 2017
Sep 2015 76000 mi US $1800	Replace front struts
Apr 2017 106000 mi US $1900	Brake pads/rotors worn. About 50,000 miles since replacement

Audi A6 / S6 in Virginia, United States May 2014 - Nov 2021
Mar 2015 51000 mi US $85	Passenger door not locking. Replaced the locking mechanism.
Nov 2021 101000 mi	Timing cover gaskets parished, so oil leaking into spark plugs and causing misfire. Replaced both gaskets and all spark plugs.

Audi A6 / S6 in New York, United States - Feb 2013
Jan 2013 28500 mi US $3000	Timing chain broke at 28,000 miles. Chain, tensioner, and several other parts of the engine had to be replaced. Repair took over one month as parts had to be ordered from Germany. Timing Chain Tensioner broke, had to replace timing chain, all tensioners and various other engine components. Repair took 30 days to finish because parts shortage Failed gasket near timing chain from repair. Several quarts of oil leaked all over my driveway. Transmission shifted hard as well.
Feb 2013 30200 mi	Car was producing a raw gas smell in the cabin routinely. Mechanics could find now fault. Problem persists. Steering was making a clunking noise at low speeds. Audi made several adjustments the steering mechanisms over the course of 2 days until the noise went away.

Audi A6 / S6 in Massachusetts, United States Mar 2017 - Mar 2020
Feb 2018 80000 mi US $600	The headlights are expensive on this. $350 alone for the bulb. It was the passenger side light so the entire air intake manifold has to disassembled to get to the bulb housing. While they were there they changed the air filter as well.
Jun 2018 82000 mi US $650	Faulty thermostat and line

Audi A6 / S6 in Colorado, United States Mar 2017 - Jun 2018
May 2017 73000 mi US $500	Replace thermostat and water pump.
Feb 2018 85000 mi US $200	Replace battery

Audi A6 / S6 in New York, United States - Aug 2010
Jun 2010 400 mi	Power steering hose ruptured and drained out all fluid; dealer replaced hose. Driver's seat was badly wrinkled at delivery; dealer agreed to replace; factory sent new cover; work done at local auto upholstery shop

Audi A6 / S6 in Illinois, United States Nov 2016 - Jan 2022
Dec 2016 103000 mi US $1700	During routine oil change oil leak was discovered in oil filter housing. Replaced valve cover gaskets, resealed upper timing chain covers, replaced oil filter housing, and intake gaskets.

Audi A6 / S6 in New York, United States Mar 2016 - Jun 2016
May 2016 67100 mi US $4800	Cam tensioner broke

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Audi A6 / S6 in Massachusetts, United States May 2014 - Apr 2018
May 2014 43000 mi	Tweeter in driver's door replaced due to scratchy sound/cutting in and out at low volume. Replacement tweeter experiencing same issue, so I believe the cause is loose wiring or an issue with the head unit. Update: resolved itself a few weeks later.
Aug 2015 57700 mi US $450	Vacuum hose failed and needed to be replaced. Was causing check engine light, which indicated that the engine was running lean.
Sep 2015 58000 mi US $1700	Replaced intake manifold and breather hose
Mar 2016 64000 mi US $750	Driver's door would intermittently not lock/unlock with the remote. Had to use the key to lock/unlock. Dealer replaced lock assembly.
Jun 2016 65000 mi US $165	Low voltage in the car's electrical system caused several intermittent fault lights, including ABS, traction control, etc. The issue was not solved during the initial service visit. The car is currently back at the dealer for further diag.
Jul 2016 65200 mi US $150	Various wiring harnesses needed to be replaced for the ABS system.
Dec 2016 69450 mi US $204	Replaced front right inner CV boot
Dec 2017 77000 mi US $650	Replaced left front half shaft due to bad CV joint. Apparently the CV joint cannot be replaced without replacing the axle. Replaced cracked coolant expansion tank.

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Audi A6 / S6 in Georgia, United States Jan 2016 - Jul 2018
Sep 2016 100000 mi US $1100	Radiator fan/AC Fan and fan control module replaced. Also replace drive belt an tension pulley.
Jun 2017 111000 mi US $950	Replace water pump and thermostat.
Oct 2017 115000 mi	Replace AC Blower motor Replace tensioner and serpentine belt.

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Audi A6 / S6 in United Arab Emirates Jun 2016 - Jun 2018
Nov 2016 58900 mi ¤3000	Change gearbox
May 2018 68200 mi ¤500	Hanged ac compressor Changed rear windshield

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Audi A6 / S6 in Indiana, United States Feb 2015 - Jun 2018
Jul 2015 60000 mi US $500	Pressure sensor leaking. Replaced sensor.
Aug 2016 80000 mi US $1250	Stuck thermostat.
May 2018 95000 mi US $450	Replaced tensioner pully due to a failed bearing.
Jun 2018 97000 mi US $550	Replaced idler pully due to a failed bearing.

Audi A6 / S6 in Nevada, United States Jun 2014 - Jul 2018
Feb 2014 81165 mi US $585	Replaced the vacuum pump that was leaking oil. Replaced the driver side valve cover gasket. Started to leak oil.
Jul 2018 156000 mi US $2300	Main cooling fan failed. Replaced both primary and secondary cooling fans. Also replaced thermostat, water pump, PCV, did a carbon clean.

Audi A6 / S6 in Virginia, United States Jun 2017 - Sep 2018
Sep 2018 98000 mi US $500	Water pump replaced at dealer

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Audi A6 / S6 in Texas, United States Feb 2016 - Mar 2016
Mar 2016 105000 mi US $156	Replace fan blower motor.

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Audi A6 / S6 in Illinois, United States Aug 2011 - Oct 2017
Nov 2011 24200 mi	Multi Media Interactive (MMI) not working. While in for service they performed 35k maintenance.
Jan 2012 28300 mi	Hid xenon bulb out Rear wiper washer not working right,
Aug 2016 85000 mi US $120	Replaced cracked start button.
Sep 2016 88000 mi US $30	Hood lift shock support replaced
Dec 2016 91000 mi US $100	Replace liftgate shocks.
Oct 2017 107000 mi US $1150	Leaking brake pump

Audi A6 / S6 in Arizona, United States May 2015 - Aug 2015
Jul 2015 88000 mi US $400	Had Bose amp repaired after wiper fluid got inside from leaky hose.

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Audi A6 / S6 in New Hampshire, United States Apr 2014 - Jun 2018
Jul 2017 107000 mi US $300	Replaced Pads and Rotors

Audi A6 / S6 in Virginia, United States Apr 2013 - Sep 2014
Jun 2013 48000 mi US $1700	CEL for misfire. Due to excessive carbon buildup, had to replace oil separator, all 10 fuel injectors, all spark plugs. After initial repair, starter failed adding another 20 hours of labor. Carbon cleaning on upper. CELs continue.
Sep 2013 50000 mi US $120	Right bank catalytic converter was bad. Oxygen sensor was also bad. Passenger side tail light bulb board was burnt out.
Jan 2014 US $1200	Both EGR valves and associated equipment failed, making engine run rich with a heavy gasoline smell. Took into shop because CEL was on and the EGR valve tubes had started to melt and smoke.
Apr 2014 58300 mi US $1100	All 4 front upper control bushings were bad, and were replaced. Front passenger CV axle boot was torn and the whole axle boot was replaced. Left bank catalytic converter O2 sensor failed, and was replaced.

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Audi A6 / S6 in Illinois, United States Mar 2011 - Apr 2016
Dec 2011 41000 mi	Front passenger xenon headlight was replaced under warranty (was sporadically not coming on in Auto mode). The visit took a couple of hours because I had regular maintenance work also scheduled.
Apr 2016 66000 mi	Needed new control arms and bushings

Audi A6 / S6 in Pennsylvania, United States Apr 2013 - Sep 2015
Dec 2013 95000 mi US $395	Remove and replace main seal.
Apr 2014 107200 mi US $100	I had a consistent oil leak that turned out to be the rear seal.
Jun 2014 111000 mi US $2900	Replace intake manifold

Audi A6 / S6 in Idaho, United States May 2010 - Sep 2017
Jun 2014 87000 mi US $180	Headlight replacement
Aug 2016 116000 mi US $850	Rattle in the right front suspension. Replaced a lower control arm. Sun roof spring mount failed. Had to repair with a factory kit for this problem
Sep 2016 117000 mi US $1200	Oil leak around the oil filter attachment point. Also, had to de-carbonize the intake manifold.
Dec 2016 122000 mi US $900	Adaptive headlight failed and had to be replaced.
Feb 2017 126000 mi US $600	Front brake pads and rotors replaced

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Audi A6 / S6 in Pennsylvania, United States Apr 2014 - Jun 2016
Apr 2014 55000 mi US $700	wheel bearing
Jun 2014 58000 mi US $237	spurious electrical problems, replaced alternator and key fob battery. Driver door still refuses to unlock with key fob at times.

Audi A6 / S6 in Missouri, United States Oct 2010 - Jun 2011
Nov 2010 50000 mi	For the second time since purchasing the A6 new, the water pump failed. Dealer has admitted that Audi installed water pumps on A6's with incorrect housings. A day after picking car up after failed water pump replacement the malfunction light came on and the car would not run. Fuel thrust module failed.

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Audi A6 / S6 in Illinois, United States Nov 2010 - Jan 2013
May 2011 45000 mi	Fuel gauge stuck. Repaired with software update and wiring TSB
Aug 2011 52000 mi US $20	Power seat controls came loose. Dealer replaced a screw.
Sep 2012 82000 mi US $80	Blower Fan

Audi A6 / S6 in Minnesota, United States Mar 2011 - Aug 2012
Dec 2011 89000 mi US $35	Connector to rear light corroded. Cleaned and returned.
Aug 2012 91000 mi US $600	Replaced left timing cover seal to repair oil leak

Audi A6 / S6 in California, United States Nov 2010 - Dec 2011
Feb 2011 41100 mi	Misfires detected, was fixed with a software update found in a TSB by dealer.

Audi A6 / S6 in Georgia, United States Mar 2009 - Jan 2022
Jan 2009 12089 mi	Engine malfunction (i.e., check engine) light came on. There was a Technical Bulletin (# 24N1) on the vehicle which indicated a computer software upgrade was needed. Dealer installed the software upgrade. This seemed to resolve the check engine light.
Jul 2010 39000 mi	Air bag light on due to faulty sensor in seat belt clamp Head lamp bulb replaced
Oct 2010 43000 mi	Air bag warning light came on. Problem was again diagnosed as a faulty sensor in the seat belt latch. Seat belt latch was replaced again to fix problem.
Feb 2011 48000 mi	CEL on, because of common carbon build-up on intake valves issue. Dealer has cleaned heads previously. This time just software update, which likely just made sensors less sensitive.
Mar 2011 49000 mi	Passenger air bag light on. Replaced seat belt holder. Third time for the airbag issue. They finally found that there was a bad wire in the harness connector. That seems to have resolved the problem.
Apr 2015 92700 mi	Replaced rear left taillight assembly. The warning light came on while the car was a the shop for maintenance. The service advisor claimed the whole assembly had to be replaced. The advisor said the part may have shorted and burnt out.
Sep 2015 99000 mi	Airbag light illuminated. Service technician reported that there is a intermittent communication failure between airbag sensor and air bag controller
Nov 2015 100400 mi US $550	Airbag light came on (Belt Force Sensor for Seat Occupied Recognition - code 02513). Indy Audi mechanic replaced seat belt at a cost of $445 for the belt and $105 for labor. Unfortunately, this did not fix the problem. Light came on again.
Apr 2016 104300 mi US $144	MIL light came on. Codes P2070 and P2006 were reported. Mechanic diagnosed problem as a leaking vacuum hose. Repair costs of $144 consisted of $132 for labor (diagnosis and repair) and $12 for the vacuum hose.
Apr 2017 112000 mi US $476	Replaced all four TPMS sensors after the tire pressure and TPMS warning lights were illuminated. My VAG-COMM tool showed that the batteries had failed or was extremely low in my TPMS sensors. Actually, thinking about it, I probably should have replaced the TPMS sensor in the spare tire as well. NOTE: Repair was originally done by Discount Tire with HUF universal TPMS sensors. This did not correct the problem. The TPMS warning light continued to be displayed after the installation of the new sensors. Subsequently, replaced the universal TPMS sensors with Audi brand sensors. This corrected the problem. The "universal TPMS sensors" do not seem to be compatible with the Audi A6.
Jul 2017 113400 mi	Replacement of Takata passenger airbag
Oct 2017 115500 mi US $350	After having the 115K service performed by an independent Audi mechanic, the ESP, EPC, and CEL (blinking) lights became illuminated on the drive back home. I returned to the independent Audi repair shop. The owner of the Audi shop (an Audi expert) checked the car out. He did not find any reason for the ESP, EPC, and CEL fault. However, he suggested that the ignition coils be replaced. The ignition coils were replaced at cost with no labor charge as a courtesy for the inconvenience of having to return to the shop After having the ignition coils replaced by the independent Audi mechanic, the EPC, EPS, and CEL (blinking) lights came back on the way back home. The vehicle was then taken to the Audi deal for analysis of the codes. The dealer kept the vehicle for several days, but could not any reason for the codes. I was charged $300. This was essentially, a $100 charge to troubleshoot each code separately. Although I explained that the warning lights all came on at the same time, the service adviser indicated that they needed to troubleshoot each code separately. Later, the service adviser claimed that the time that the mechanic spent trying to diagnose the problem was easily double the amount that I paid. The car was returned to me without the mechanic at the dealer finding any problem. The codes were reset by the mechanic and did not occur again while the car was at the dealership.
Nov 2017 115474 mi US $2540	EPC, ESP, and CEL (blinking) lights became illuminated again. Car was towed to the independent Audi repair shop. Audi mechanic diagnosed the problem as the infamous Audi carbon build-up issue in the 3.0 V6 TSI engine. The left and right intake manifolds were replaced and a carbon cleanup was performed. Water pump was replaced at this time as a precaution.
Mar 2018 117701 mi US $1883	Replaced leaking valve cover gaskets Replaced front sway bar links Replaced coolant hose Replaced vacuum pump Replaced power steering hose

Audi A6 / S6 in Alabama, United States Mar 2010 - May 2018
May 2010 25000 mi	Rough idle on cold starts. Eng check light and off many times.
Sep 2011 45000 mi	Idler pulley replaced. Water pump replaced.
May 2016 82000 mi	AC inop. Charged system (or so they claim) but compressor clutch would not engage. I figured a faulty pressure switch but he claims there were no fault codes. I went and retrieved my car and made no payment.
Jun 2016 83000 mi US $400	Removed, replaced faulty ac pressure switch and charged system.

Audi A6 / S6 in Maine, United States Mar 2010 - Mar 2012
Apr 2010 17000 mi	Malfunctioning front brake caliper Caliper replaced.

Audi A6 / S6 in Pennsylvania, United States Mar 2010 - Aug 2011
Oct 2010 8000 mi	Engine light came out. Dealer stated that "software needed to be upgraded". Diagnostics showed that cylinder 6 was "misfiring".

Audi A6 / S6 in New Jersey, United States Jul 2010 - Jan 2011
Dec 2010 41000 mi	MMI computer replaced

Audi A6 / S6 in Rhode Island, United States Mar 2010 - Jun 2017
Feb 2010 36000 mi US $500	new front breaks and rotors
Dec 2011 55000 mi	bulb out flashed on all blubs in rear driver side tail light assembly. Found corosion on the connectors in the assembly. Replaced the assmebly
Jul 2012 64000 mi US $350	passenger headlight was replaced
Aug 2012 64200 mi	check engine light stayed on. piece that had to be removed to change the headlight was broken.
Feb 2014 85800 mi US $590	cylinder coil replaced
Feb 2015 99000 mi US $800	stereo stuck on Mute. Software was upgraded, Bose AMP was replaced but music only comes out on the Driver side
Feb 2017 120000 mi US $650	repair oil leak adaptive light system failed

Audi A6 / S6 in Maryland, United States Jan 2015 - Jun 2018
Jul 2015 67300 mi US $240	Jerky shifting, loud whining noise, eventually devolving into limp mode and then wouldn't go into gear at all. Changed fluid and filter.
Feb 2018 84031 mi US $240	Front and rear brake pads and disks Clunking noise during tight turns. Replaced both front stabilizer bar links.

Audi A6 / S6 in Maryland, United States Oct 2011 - Nov 2011
Mar 2011 59670 mi US $30	The left HID bulb would go on and off. I didnt know if it was the ballast or the bulb. The company replased the bulb for free. Also the mechanic said he would find out why my fans are runing all the time but its been almost a year now.

Audi A6 / S6 in Arizona, United States Mar 2017 - Dec 2017
Jul 2017 125000 mi US $1050	Air compressor died. They replaced it with a new one.

Audi A6 / S6 in Wisconsin, United States Oct 2014 - Dec 2018
Jul 2017 102000 mi US $30	Replaced a/c high pressure sensor.

Audi A6 / S6 in Missouri, United States Sep 2011 - Jun 2013
Nov 2011 35000 mi	Engine was performing sporadically, then engine light began flashing. I took it in and Dealer identified it as misfire and carbon covered pistons. They cleaned fuel system and pistons. Unfortunately, I was back within just over a week. Updated and recalibrated engine software, cleaned pistons, added fuel cleaner. Has not been a problem since.
Oct 2012 52700 mi	Check oil level light went off last week. Had it checked and there were no issues.
Jun 2013 63000 mi US $150	Right headlight needed replaced.

Audi A6 / S6 in Massachusetts, United States Jan 2014 - Feb 2016
Feb 2016 77000 mi	ECU fail. Replacement needed. $6,000

Audi A6 / S6 in Massachusetts, United States Feb 2012 - Dec 2012
Mar 2012 52000 mi US $440	Right tail light replaced because of moisture infiltration and corrosion.

Audi A6 / S6 in New York, United States Dec 2011 - Jul 2012
Feb 2012 40400 mi	Center drivers information display would turn on and off after startup. Would only stay on consistently after 10-15 minutes of driving.

Audi A6 / S6 in Maryland, United States Sep 2012 - Mar 2013
Mar 2013 73000 mi US $85	valves needed flushing

Audi A6 / S6 in Wisconsin, United States Apr 2013 - Oct 2013
May 2013 56500 mi US $750	Rack and pinion system leaking power steering fluid, unable to repair and had to replace. Repair would have been almost $2,000 but we were able to find used part. My car was pulling way to the left, dealership said something was "froze" up and in order to perform an alignment they had to replace all of the tie rods.

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Audi A6 / S6 in Ontario, Canada Apr 2013 - Apr 2014
Jan 2014 C $250	Engine light on - repair was traced to broken vacuum line. Loud rattle as if chain was loose or lifter stuck. Usually stops after 1-2 mins. Tech says it's a known issue with this engine that cam chain tensioner is loose. Requires lifting full engine to repair. Frequent oil changes may resolve.
Apr 2014 76880 mi C $5500	Cam chain tensioner failed one bank. Chain skipped resulting in bent valves. Required to pull engine, head sent out for repair. Replaced broken parts plus same parts on other bank. Mechanic says its a known problem with this engine.

Audi A6 / S6 in Great Britain Sep 2010 - Jun 2011
Oct 2010 62000 mi £600	Mechanical breakdown requiring recovery due to failure of the EGR valve, caused by failure of the EGR cooler which presented itself as a coolant loss issue main dealers were unable to diagnose for over 4 months

Audi A6 / S6 in California, United States Mar 2010 - Jun 2011
Apr 2010 24000 mi	Headlight malfunction - fixed under warranty

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Audi A6 / S6 in Great Britain Aug 2011 - Feb 2018
Apr 2012 69500 mi	Dual mass flywheel replaced
Nov 2012 76600 mi	Replaced exhaust pressure sensor

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Audi A6 / S6 in Sweden Oct 2013 - Jun 2015
Mar 2014 98580 mi	Exchanged both front and one rear driveshaft. One didn't exist in stock so it had to be re-manufactured.
Aug 2014 100840 mi $70	ESP fault. ABS, ESP, EPC didn't work properly. Electronic Throttle and automatic gearbox went into "Limp home", almost no possibility to accelerate normally. Didn't found what caused it, suddenly all problems dissapeared.

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Audi A6 / S6 in California, United States Feb 2013 - Oct 2015
Jan 2014 96500 mi US $20	Vacuum elbows had become brittle and cracked along the front of the motor. Replacement was quick and easy.

Audi A6 / S6 in Minnesota, United States Jun 2013 - Jul 2013
Jul 2013 98000 mi	Washer fluid leaked on the amplifier, shorting it out. Amplifier was replaced.

Audi A6 / S6 in Illinois, United States Jun 2017 - Jun 2018
Jun 2018 146000 mi US $1062	Valve cover gasket Power steering hose Replace snub mount Center brake light

Audi A6 / S6 in Virginia, United States Feb 2010 - Nov 2010
Mar 2010 28000 mi	Near total loss of compression on cyl#3. Borescope indicated severe cylinder scoring from unknown source. Complete engine short block, timing gears and cats replaced under warranty. (Problem from previous month @ 22K miles.)

Audi A6 / S6 in New Brunswick, Canada Jul 2010 - Feb 2011
Feb 2011 27280 mi C $250	washer fluid reservoir cracked and leaking all fluid

Audi A6 / S6 in Colorado, United States Feb 2010 - Mar 2013
Mar 2010 39500 mi	Headlight bulb and ballast replaced. Front passenger door interior LED strip replaced.
Jun 2012 68000 mi US $80	Intake flap motor failed, was replaced under certified warranty. Electric tilt wheel was not functioning.
Jul 2012 68500 mi US $80	Transmission not shifting properly from 1st gear. Replaced entire shifter mechanism & computer.

Audi A6 / S6 in Washington, United States Apr 2013 - Dec 2015
Aug 2015 95000 mi US $300	battery was overdue for replacement.

Audi A6 / S6 in Washington, United States Jun 2010 - Sep 2018
Sep 2014 50000 mi	Center console display takes long time to turn on. Haven't fixed it yet as I've heard it's an expensive work (2k).

Audi A6 / S6 in New York, United States Dec 2012 - Nov 2014
Jan 2013 US $600	Adaptive Cruise Control stopped working
Jul 2013 85000 mi	The Adaptive Cruise on the Audi finally fixed itself when my indy Audi mechanic unplugged the battery, cleared the codes and let it reset itself.
Nov 2014 95000 mi	Airbag light on

Audi A6 / S6 in Oregon, United States Feb 2015 - Sep 2018
Apr 2016 60700 mi US $1500	Sunroof leaking, $150 to unclog Automatic trunk opener failed, $1200 for replacement and installation.
Nov 2016 67600 mi US $80	Check emissions light resulted in a cracked vacuum line. Repaired and no more light.
Aug 2017 71000 mi US $500	Brake replacement and repair

Audi A6 / S6 in Washington, United States Oct 2020 - Nov 2021
Nov 2021 251000 mi US $200	replacing leaky gaskets on valve covers, oil cooler, vacuum pump, timing solenoids.

Audi A6 / S6 in Pennsylvania, United States Apr 2016 - Mar 2018
Aug 2016 115000 mi US $23	Replace Right Side Sun visor clip Replace Rear Wiper Blade
Oct 2016 116500 mi US $1075	Thermostat housing leaking, replaced housing and thermostat Replace lower oil pan Valve cover gaskets leaking, upper timing chain covers leaking, vacuum pump gasket leaking.
Sep 2017 128184 mi US $644	Check engine light showed misfire on cylinder 3. Spark plug was fouled, replaced plug. Check engine light showed camshaft sensors out of spec. Replaced bank 1 and bank 2 exhaust side camshaft position sensor. Cleaned camshaft actuators.
Oct 2017 128931 mi US $247	Flashing check engine light, Flashing ECS light, Hesitation. Found misfire cylinder #2. Replaced spark plug.

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Audi A6 / S6 in Ireland Oct 2017 - Jun 2018
Dec 2017 69440 mi €250	DV Valve for Turbo was sticking so the car (Petrol) 2.0 TFSI was on and off when it came to Turbo Pressure.

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Audi A6 / S6 in California, United States Jun 2010 - Jan 2014
Jul 2010 28000 mi	lumbar support mechanism broken in drivers seat.
Oct 2010 30000 mi	Right front control arm had too much play. Felt slight vibration through steering wheel.
Dec 2013 57000 mi US $890	carbon cleaning due to buildup.

Audi A6 / S6 in Chile Feb 2010 - Dec 2011
Sep 2010 27900 mi	Tilt/Telescoping steering wheel not working, software was updated and the problem was solved.
Dec 2011 34100 mi $150	One of the air intake manifolds wasn't opening completely which caused an error in the ECM and a lack of low end torque. Was repaired sucessfully by cleaning the air intake manifold systems.

Audi A6 / S6 in Washington, United States Feb 2010 - Jan 2018
Mar 2010 35000 mi	Faulty driver-side window switch (would not reliably raise front passenger window)
Aug 2010 39000 mi	Ignitor in rear center seat set failed, causing Airbag System fault.
Sep 2010 40000 mi	Failing connector on wire harness
Oct 2010 42000 mi	Center arm rest latch broke; replaced
Mar 2011 45000 mi US $100	Embedded Controller in right rear light cluster went bad, erroneously reporting that all bulbs in the cluster had failed. Rear cluster was replaced.
Aug 2012 66400 mi US $100	Trip Computer went out, center dash console had to be replaced
Jun 2013 78000 mi US $3	Plastic piece of intake control arm broke, falling into cylinder 1. Intermittent flickering CEL for the first week (registered as Cylinder 1 Misfires), solid CEL for the second week. Confirmed by removing intake manifold. While engine open cleaned out heavy carbon deposits from the other nine cylinders. (Misfires had cleaned out cylinder 1.) Cracked coolant reservoir that needed to be replaced.
Mar 2014 88000 mi US $100	Split bushings, across front and rear sway bars.
Jun 2014 91000 mi US $540	Hole in coolant line.
Oct 2014 93700 mi US $243	Bad clamp for intake hose was causing engine to run too lean
Jun 2017 145000 mi US $650	Replaced serpentine belt.

Audi A6 / S6 in New York, United States Sep 2011 - Apr 2012
Nov 2011 43700 mi	Fuel gauge worked sporadically

Audi A6 / S6 in Connecticut, United States Aug 2014 - Nov 2018
Jul 2015 78000 mi US $249	Intake manifold runner stuck open; broken clip was replaced. Part was $3.61 but labor was $245 License plate lights out and corrosion on contacts. Replaced bulbs and bulb holders
Aug 2016 81000 mi US $60	CV boot (right front) Battery replacement - 1.5 hours of labor for "reprogramming"

Audi A6 / S6 in Minnesota, United States May 2013 - Jul 2018
Sep 2015 94000 mi US $212	Replace Battery
Jun 2018 120000 mi US $1400	Located Oil Leak and replaced gasket around oil filter housing Replace front inner boots

Audi A6 / S6 in Connecticut, United States Dec 2011 - Mar 2017
Feb 2012 53400 mi	Replaced 10 fuel injectors. Engine is a V10
Apr 2014 70000 mi US $2000	coolant contaminated oil. Engine had to be removed from car. Coolant issue covered because it was earlier identified by me while under warranty.

Audi A6 / S6 in Alabama, United States Feb 2015 - Oct 2015
Apr 2015 71000 mi	Car has misfires in multiple cylinders, went in for a carbon clean, plug change. Replaced valve cover gasket and lower oil pan gasket. Power steering pump is faulty
Jul 2015 73800 mi US $300	Replace intake manifold
Aug 2015 74400 mi	CV boots replaced both sides, inner boots Intake manifold gasket improperly installed

Audi A6 / S6 in Minnesota, United States Mar 2015 - Jun 2022
May 2015 85400 mi US $200	AC condenser cracked due to poor installation of aftermarket remote radar detector (K40) by previous owner. Really not a fault of the car. Overflow tank, cap and return line replaced due to excessive temps under hood of V10 engine lead to coolant leaking when vehicle was driven hard
Mar 2016 94000 mi US $120	Replaced oil level sensor
Jan 2022 130000 mi	Intake air splitter replaced in 12/2021 to fix manifold leak. Slight leak reappeared in another location setting check engine light. Shop located and sealed for $0 for replacement manifold is $2500.
Jun 2022 131000 mi US $3800	Replaced intake, most the cost was for the replacement manifold

Audi A6 / S6 in Quebec, Canada Nov 2012 - Jun 2017
Nov 2012 49600 mi C $400	"Low antifreeze" light "on", add anti freeze. One week later start to see small spots on the garage floor, "low antifreeze" light "on" again search further, antifreeze reservoir leaking, replace reservoir
May 2013 55800 mi C $1100	Transmission oil pan gasket leak
Mar 2017 71920 mi C $102	Anti freeze leak up near Oil filter and second leak from water pump

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Audi A6 / S6 in Texas, United States Feb 2010 - Aug 2011
Apr 2010 49000 mi	Bluetooth module malfunctioning and repaired. Bluetooth module malfunctioning and repaired.
May 2010 50000 mi	Bluetooth reset (apparently it stops working if the battery gets too low). Repaired a windshield washer sprayer.
Sep 2010 55000 mi US $85	Air intake pipe detached, causing CEL and stalling. Pipe reattached.
Oct 2010 56000 mi US $75	Upper link arms on front suspension were torn; replaced. Also replaced engine mounts which were leaking.

Audi A6 / S6 in Quebec, Canada Mar 2011 - Dec 2011
Dec 2011 65100 mi C $100	Check engine lit, confirmed gascap okay, connected to computer, multiple readings, several gaskets replaced, including manifold. covered under Audi Care/CPO car to 125,000 km

Audi A6 / S6 in Washington, United States Mar 2010 - Jun 2011
Apr 2010 22000 mi	audio dysfunction, apparently due in part to i-phone interface

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Audi A6 / S6 in California, United States May 2011 - Apr 2013
Feb 2012 48600 mi US $370	Cam position sensor

Audi A6 / S6 in Georgia, United States Dec 2013 - Dec 2014
Jul 2014 59300 mi US $1800	Bushings replaced

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Audi A6 / S6 in Virginia, United States Feb 2010 - May 2017
Mar 2010 39000 mi	grinding, clunking sound in steering/front suspension
Nov 2011 64000 mi US $250	two vacuum hoses failed, dealer replaced
Oct 2012 75700 mi US $300	Bluetooth module failed. Chose not to fix due to cost. Dealer bypassed bluetooth unit so that radio would work.
Apr 2013 82500 mi US $1099	Main vacuum pump failed. Caused check engine light to come on. Also caused partial failure of brakes.
Mar 2015 108000 mi US $1100	vacuum lines inside the manifold were broken and caused CEL
May 2015 110000 mi US $2000	Motor for adaptive lighting failed. Must replace entire light housing

Audi A6 / S6 in New Jersey, United States Feb 2007 - Apr 2012
Nov 2007 7300 mi	Strange noise from A/C blower
May 2011 26900 mi US $130	Fuel pump replaced.

Audi A6 / S6 in California, United States Feb 2010 - Dec 2015
Mar 2010 44000 mi	blue tooth phone module
Apr 2010 44000 mi	replaced Satellite radio module replaced satellite radio module
Apr 2012 71500 mi US $80	Leak into rear foot well secondary to misaligned door seal. Sensor replaced
Jul 2012 74000 mi	check engine light on, Valves stuck.
Apr 2013 82800 mi US $275	Valve cover repair
Nov 2014 101800 mi US $3100	Cam seal leaks Sunroof interior fixed Rear seat tensioner
Sep 2015 110000 mi US $500	Pump sensor in the gas tank

Audi A6 / S6 in Tennessee, United States Aug 2010 - Mar 2014
Apr 2011 28200 mi	Starter motor. Turning the key resulted in hearing the whirr of the starter motor, but not the solenoid that kicks the starter up to the flywheel. Wait a while . . . same result. Wait a while . . . same result. Wait a while, then it would work.

Audi A6 / S6 in Pennsylvania, United States Nov 2015 - Jun 2016
Jun 2016 58000 mi US $1400	Adaptive headlight failure.

Audi A6 / S6 in Nevada, United States Jan 2011 - Mar 2012
Jan 2012 86000 mi	Sunroof shade

Audi A6 / S6 in Washington, United States Oct 2017 - Jan 2022
Jan 2022 149000 mi US $1000	Multiple cylinders misfire, smoke from exhaust, gasoline in oil. No specific codes related to the fuel system pressure sensors was present. Because of excess gasoline in oil determined combination of injectors and high pressure fuel pump are the culprit. Replaced all injectors and the HPFP. Also cleaned intake manifold carbon buildup.

Audi A6 / S6 in Illinois, United States Jan 2014 - Oct 2017
Jan 2014 1000 mi US $82	CEL code P00008b came up, vehicle engine was cutting fuel off and dying when parked or in gear with no load. Fix was to replace low side fuel pressure sensor so it would read normal/correct fuel pressure.
May 2014 122000 mi US $2200	Access Control Starter Module in steering column went bad, car was effectively dead and had to be towed to dealer and steering column had to be replaced to fix, TSB on issue but no word from AoA after email sent about issue.

Audi A6 / S6 in United Arab Emirates Dec 2016 - Jun 2018
Dec 2016 71300 mi	replaced all front CV boots LH headlamp assy AFL failed - dipped light warning
Jan 2017	replaced AC cabin fan motor assy RH Xenon bulb busted - busted bulb warning illuminated
Mar 2017 73160 mi ¤130	Engine cooling warning came on and found that coolant leaked from a broken plastic fitting Reservoir to Pipe and Upper Radiator Hose and while trying to remove the hose the bypass pipe fitting from the Lower radiator hose also broke. I then had to replace both hose assemblies.
Jun 2017 74400 mi ¤200	Ac will not cool air when stationary. Found coolant fan control module is defective and will not run the fans at high speed. To the point the overheat warning light came on. Basically the complete engine cooling fan assembly was replaced by a used unit from a scrap yard because buying the fan control module is expensive and requires to splice the wires. So I decided to look for a good condition used assembly and just a straightforward replacement to keep the wires intact without any splice connection. This fixed the ac and engine cooling. BTW diagnosis reviled that the fan control module as malfunctioned and the condenser pressure sensor fault.
Aug 2017 75492 mi ¤70	During my previous service, which included spark plugs replacement, it was noticed that the plugs were wet with oil indicating a leak with the gasket. On this cycle of service I decided to replace the cylinder head cover gaskets.
May 2018 78120 mi ¤100	Had the front bearings replaced due to noise After a month or so after the bearing replacement I noticed a ratling sound coming from the front left wheel well. When I got home and inspected I found that the left upper caliper bracket bolt was missing and the caliper assembly has migrated upwards. Bought 4 new bolts and replaced all three remaining bolts on both front brake caliper brackets. Torqued the bolts to 196nm as per repair manual.
Jun 2018 78740 mi ¤200	Replacement of worn brake pads

Audi A6 / S6 in Massachusetts, United States Nov 2011 - Jan 2015
Sep 2013 97000 mi US $1566	Replace Right Exhaust Cam Sprocket and Chain Tensioner
Jan 2014 102000 mi US $100	Small plastic piece from timing chain tensioner plugged oil sprockets in cylinder head, affecting oil pressure, and consequently the timing. Mechanic quickly removed the plastic piece, car is fine now.

Audi A6 / S6 in Illinois, United States Dec 2010 - May 2015
Dec 2013 56000 mi US $140	Air leak on 3 rims.
Feb 2014 57000 mi US $380	engine lite. code read manifold crosover valve.. replaced vacume pipe

Audi A6 / S6 in Washington, United States Oct 2011 - Dec 2014
Aug 2014 102000 mi US $200	Check engine light was an evaporative system leak.

Audi A6 / S6 in British Columbia, Canada Nov 2011 - Dec 2011
Dec 2011 62000 mi C $211	Left hand light error, LHS marker light had a intermittent failure.

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Audi A6 in California, United States Sep 2008 - Jun 2011
Mar 2009 27000 mi	cracked sunroof frame
Aug 2009 37000 mi	AC blowing warm air. Replaced AC Pump valve.
Feb 2010 46000 mi	Sunroof frame cracked and making noise/rattle

Audi A6 in Washington, United States Nov 2014 - Sep 2015
Sep 2015 67000 mi US $400	Replaced heater valve.

Audi A6 in Oregon, United States Dec 2012 - Dec 2013
Feb 2013 85700 mi US $300	Metal fragments found in engine. Engine replaced under extended warranty bushing replaced

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Audi A6 in Alberta, Canada Apr 2011 - Sep 2016
Nov 2013 80600 mi	valve cover gasket
Apr 2016 99500 mi C $500	Had to replace the AC compresor.

Audi A6 in Mississippi, United States Jan 2013 - Jun 2015
Jul 2014 111700 mi US $700	MMI computer failed. O2 sensor replaced.
Mar 2015 118000 mi US $120	Low freon. Recharged

Audi A6 in Denmark Dec 2012 - Feb 2014
Jan 2013 89600 mi $2500	Timing chains had stretched, and engine had to be pulled out to replace them. Additional parts around the chains were also replaced. Faulty compressor in air suspension.

Audi A6 in Washington, United States Oct 2008 - Mar 2013
Feb 2010 33000 mi	Back chain covers leaking oil. Both timing chain covers resealed. Starter failing to engage. New starter installed. All covered under warranty.
May 2010 34000 mi	CEL came on during road trip. Called dlr. Drove 60 miles to dlr. Coil packs replaced under recall at no cost within 1.5 hours. Loaner given for trip to lunch stop. Car repaired, runs fine 10 days and 400 miles later.
Oct 2012 50200 mi	Instrument Cluster replaced to repair failing Driver's Information Display.

Audi A6 in Ohio, United States Sep 2007 - Oct 2018
Nov 2007 9000 mi	Rear seat cup holders not extending.
Aug 2012 29200 mi US $120	Intermittent starting problem. Their diagnostics found no problem so I brought car back home.
Sep 2012 29000 mi US $600	Bad starter and relay replaced.

Audi A6 in Washington, United States Apr 2014 - Jun 2018
May 2015 80400 mi US $200	Valve cover gasket replaced, was leaking oil.
Oct 2015 84500 mi US $35	Replaced brake light switch myself. Brake lights were staying on with the key out.
Feb 2016 87000 mi US $1300	Front air struts leaking need to be replaced $650 per strut for remanufactured strut.
Mar 2016 88000 mi US $160	replaced control arm and stabilizer bar end links

Audi A6 in Pennsylvania, United States Sep 2008 - May 2010
May 2009 42000 mi	Rear window wiper would not always turn OFF. Several failures. Dealer could not replicate, but may have inadvertently repaired problem by going into one of the computers.
Jun 2009 42000 mi	Rear wiper blade housing failed; blade would not stay in if lifted up. Fully replaced housing, OK now.

Audi A6 in Pennsylvania, United States Apr 2009 - Jun 2018
Feb 2011 66000 mi US $75	10-15 sec "whoo" sound at first cold start of day. First replaced water pump, did not fix. Then replaced serpentine belt and greased idlers which solved problem.
Dec 2014 123000 mi US $165	Check engine light came on, OBD-II code P000068. Shop checked intake system for leaks (none found) and cleaned throttle body.
Jun 2015 130000 mi US $600	Evap emmission control system leak test pump failed causing CEL but no drivability problems. Pump $500, labor $100
Oct 2015 134500 mi US $1800	Apparently the evap test pump (see previous entry) took the ECU with it when it failed as the CEL came back after 2k miles. Replaced ECU, CEL good so far (about 1k miles).

Audi A6 in Alberta, Canada Dec 2009 - Jun 2017
Mar 2011 93000 mi C $1500	Replaced worn front sway bars.
Jul 2011 101680 mi	Power steering and electrical switch to open glove compartment stopped working simultaneously. With engine on, I removed and reinserted the fuse for "intelligent power module" (front passenger side). Problems resolved.
Dec 2012 119660 mi C $380	Reduction of power steering assist at low speed e.g.. during parking. Power steering pump replaced but problem was only rectified by replacing fuse of power control module that also supplies power to electric glove box opener switch.
Jan 2013 119660 mi C $250	Spontaneous rupture of coolant hose from reservoir to radiator.
Aug 2013 127720 mi C $330	Complete socket units for day time running lights had to be replaced. Bulb had overheated and melted the receptacle.
Feb 2014 133860 mi C $1465	Both front upper control arms replaced due to worn linkages, $986. Vacuum pump was leaking slightly, preventive replacement was performed, $479.
Aug 2014 139860 mi C $191	Gas shocks for rear hatch. Parts= $168, Labour=$23.
Dec 2015 150660 mi C $933	Check engine light indicated that the high pressure fuel pump was not achieving correct specifications. This had illuminated 4 months earlier and was reset. But light recurred after several weeks.
Feb 2016 151360 mi C $380	High pressure fuel pump was replaced. A week later, engine stalled several times without check engine light illuminating. Mechanic replaced both high pressure (again) and low pressure fuel pumps because uncertain of the true culprit.
Jan 2017 153160 mi C $400	Windshield washer container developed a crack resulting in a leak. This was replaced. Required over two hours labour because of difficulty with access.

Audi A6 in Utah, United States Apr 2011 - Aug 2017
May 2011 74000 mi	AM/FM Bose amplifer failure New Bose amplifier for AM/FM radio unnstalled
Jan 2012 79000 mi US $149	Replace sway bar end links
Aug 2013 94000 mi US $240	Back up sensor located in rear bumper failed
Mar 2014 98000 mi US $55	Switch to electrically close hatch back door failed. Purchased replacement switch and replaced. Problem fixed.
Jun 2014 100000 mi US $1900	MMI Amplifier
Oct 2014 100700 mi US $1100	Air pump that is part of emission control system and pressurizes fuel tank was replaced. Dash lights failed to turn on with headlight switch in auto position. Rain sensor / light sensor replaced.
Nov 2014 102600 mi US $1200	To clear fault code ECM had to be replaced
Dec 2014 104000 mi US $400	Solenoid used to adjust variable valve timing failed
Aug 2016 122000 mi US $4000	Restore timing cover gaskets, replace vacuum pump, new brakes and rotors

Audi A6 in Virginia, United States Aug 2015 - Jun 2018
Sep 2016 135000 mi US $800	Front right airspring failed. Replaced both front with aftermarket units ABS module failed. Removed, rebuilt by CheapABS and re-installed Replaced upper control arms and sway bar end links

Audi A6 in New Hampshire, United States Sep 2008 - Aug 2009
Jan 2008 36000 mi	Warranty- Cargo Strap, N/C Diagnosed HVAC quirk- repl part ordered
Feb 2008 37500 mi	Replace HVAC module under warranty

Audi A6 in Kentucky, United States Sep 2015 - Jun 2018
Dec 2015 121000 mi US $7915	Impending failure of timing chains, tensioners and guides required full tear-down of engine, removal of trans, and $4500 in parts for complete replacement of timing system.
Jun 2017 138000 mi US $90	Replace brake pads all 4 corners

Audi A6 in Wisconsin, United States Jun 2016 - Aug 2016
Aug 2016 87000 mi US $300	All control arms timing chain cover gaskets, both valve cover gaskets, brake vacuum pump, air and cabin air filters replaced vacuum lines

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Audi A6 in Vermont, United States Sep 2006 - Nov 2009
Aug 2006 4567 mi	5K service (covered under audi car care). washer nozzles low -- adjusted.
Sep 2006 8366 mi US $109	10K service (not under audi car care) oil/filter/fluids change. check driver side window switch which periodically does not work. replace non functioning windshield washer jet. rotate tires.
Oct 2007 23383 mi US $48	25K service (audi care care). rotate tires, new wheel mount balance. transmission rattle fixed.
Jul 2008 34600 mi	warranty replace right fuel sending unit -- reporting fault codes, gauge cluster shows 0 fuel
Aug 2008 35500 mi US $18	replace fuel sending unit under warranty rotate tires perform 35K service under care plan
Apr 2009 45000 mi	driver side front wheel bearing replaced -- humming noise noticed which could not be attributed to tires or anything else.

Audi A6 in Texas, United States Apr 2009 - Jan 2015
May 2009 45000 mi	Headlight washer mechanism had to be replaced
Mar 2010 50000 mi	Replaced defective coil packs.
Aug 2014 74700 mi US $4184	AC Compressor, dryer & orifice tube replacement, plus 75000 service.

Audi A6 in Georgia, United States Nov 2008 - Jan 2014
Nov 2012 56600 mi US $1000	Replaced upper control arms and bushings. The upper bushings were beginning to show wear, but hadn't yet failed completely.
Nov 2013 61300 mi	Front left CV boot replaced Suction pump replaced. Engine mount stop replaced. Front left drive shaft broke due to prior CV boot work.

Audi A6 in New Jersey, United States Mar 2011 - Jul 2020
Jul 2011 68800 mi	Moderately loud thumping noise when going over speed bumps. Suspension checked, wheel bearing replaced, did not solve problem. Contacted AoA, had the top tech and service manager ride with me. Rep from Audi helped determine it was torque converter.
Oct 2011 73000 mi	Serpentine belt tensioner had seized. Oil burning at higher than normal rate. Discovered leak in head gaskets which were replaced.
Apr 2012 81500 mi	Passenger headlight out again. Was replaced less than 6 months ago.
Mar 2013 95000 mi US $750	Replace driver side DTRL and replace side marker light. Was also advised to replace one motor mount which has not been done yet.
Aug 2013 101800 mi US $250	Drove through 2ft of water in horrendous rain storm. Trams was not shifting right and noticeable vibration from the rear. I waited a week before bringing it in and by then the problem was gone. Dealer kept car for 2 days on extended test. Driver side DRL out after being replaced 5 months ago
Jun 2014 113000 mi US $1300	Front bushings
Oct 2015 129500 mi	Only hot air blows out the driver and passenger side vents. The center vents blow the proper air based on setting the temperature
Dec 2015 132000 mi US $125	Parking brake failure light, ABS light, ESP lights on the dash. Diagnoses was a bad solenoid in ABS module. No repair was available, only complete replacement for $2800. Check engine light came on. Diagnoses was failing thermostat. Estimated cost to repair $650, so I decided to let it go for now since the light went off.
Mar 2016 135000 mi US $1100	Bad solenoid in ABS module. Replaced with used part
Jan 2017 134700 mi US $140	Replaced passenger rear taillight assembly. 4 LED were burned out. It looks like part of the circuit board was melted. One of the contact points was broken and so the turn signal and the brake light were not working.
Feb 2017 144000 mi US $1050	Engine temp gauge would not move from C. Replaced thermostat and temp sensor.

Audi A6 in Georgia, United States Feb 2016 - Jul 2016
Mar 2016 119000 mi US $75	Accessory belt snapped, hit and broke front main seal, resulting in battery losing charge and profuse oil leak in front of engine.
Jul 2016 121000 mi US $750	Fuel not reaching engine effectively. Replaced fuel pump, fuel suction jet pump, suction jet line, gaskets.

Audi A6 in Indiana, United States Jul 2015 - Aug 2015
Aug 2015 156000 mi US $100	Car was misfiring, one of my coils was replaced.

Audi A6 in British Columbia, Canada Feb 2013 - Dec 2016
Jun 2013 86800 mi C $450	Fuel level sender failed, causing inaccurate fuel quantity reading.
Nov 2013 89240 mi C $470	Valve cover gaskets failed.
Jan 2014 91140 mi C $400	ABS control module failed - common problem.

Audi A6 in California, United States Feb 2015 - Dec 2015
Apr 2015 112000 mi US $400	Battery needed replacement

Audi A6 in Georgia, United States Nov 2013 - Sep 2015
Mar 2014 65000 mi US $800	Transmission making hard clunk changing gears
Dec 2014 80000 mi	Transmission leaking and clunking

Audi A6 in Missouri, United States Dec 2013 - Sep 2014
Mar 2014 72000 mi US $3400	New valve covers and spark plugs New control arms

Audi A6 in Kansas, United States Jan 2010 - Aug 2017
Jul 2011 50700 mi US $85	Wiring harness shorted between gauge cluster and fuel level sensor, replaced. A/C Pressure valve faulty, occasionally let in hot air in vents on outside of console (drivers and pass), replaced. Took 3 days to receive/install parts.
Oct 2012 64000 mi	Diagnosed bad antenna/shark fin. $150+ to diagnose further, plus $400+ to fix. Nav is showing 0 received satellites. Opted to not fix. Diagnosed bushing starting to fail on front upper control arms, $700-800 to fix, dealer told me I can wait a bit to fix.
Jan 2014 74000 mi US $2200	Had to replace upper control arms, bushings, and steering knuckle due to difficult replacing one CA. Engine ran extremely rough, multiple cylinder misfire. Issue cleared while in shop. Airbag light on, due to rear right seat belt circuit being broke. Valve cover gasket leak, leak not bad enough to warrant repair
Nov 2015 89000 mi US $700	Replaced valve cover gaskets, serpentine belt
Dec 2015 90000 mi	still leaking oil after valve cover gasket replacement, probably crank shaft gasket. Thermostat is stuck open and Camshaft position sensor threw an error too. Will repair in a few weeks.
Feb 2016 90900 mi	Gasket leak. Crankshaft position sensor. Thermostat stuck open.
Apr 2017 99600 mi US $20	Rainwater got into driver's side footwell (common problem) and shorted out bluetooth module. Replaced with fiber loop and stereo works again. I tried to clean out the area in the engine bay/firewall that I think flooded, so it is possible that I didn't do a good job and it could flood again, although it shouldn't matter since I removed the electronics/bluetooth module that would short out if it did flood. auto-leveling error. Still diagnosing.
May 2017 101000 mi US $250	Vacuum leaks from brittle rubber hoses Replaced headlight due to high beam shutter malfunction

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Audi A6 in California, United States Dec 2014 - Dec 2014
Dec 2014 132000 mi US $350	Replaced Valve cover gaskets at 66K miles and now at 132K replace again and left and right timing covers. All spark plugs replaced parking caliper fail on the passenger side, replaced caliper

Audi A6 in South Carolina, United States - Jun 2009
May 2009 32000 mi	Right rear window motor replaced Front parking side light replaced Rear Cupholders replaced *all covered under warranty
Jun 2009 34500 mi US $1499	Replaced front bumper-600.00 Replaced rear chrome molding-110.00 Labor and Paint Supplies- 759.00 **110.00 out of pocket costs, all else was reimbursed by insurance

Audi A6 in Florida, United States Dec 2011 - Dec 2013
Jan 2012 57800 mi US $90	Rattling noise from center dash when foot off gas - was exhaust hanger bracket became loose and exhaust tubing was rattling against car.
Apr 2012 55500 mi US $80	Fluid leak (power steering hose) Engine light on (vaccuum hose separated and valve stuck open sporatically was result). Moaning noise when turn to right at 20mph (internal electrical malfunction of pwr steering pump, still made noise after so replaced unit)
Nov 2012 62300 mi US $2000	Compressor failed. Replaced compressor, drier and orfice tube flush A/C system twice.
Dec 2012 63000 mi US $950	replaced passenger strut, both upper bushings on pass and driver side as suspension suddenly bounced a lot more

Audi A6 in Virginia, United States May 2009 - Mar 2010
Sep 2009 56000 mi US $100	Check engine light would go on intermittently. Repair shop pulled the codes and it showed a bad MAP sensor. MAP sensor was replaced.

Audi A6 in South Africa Jun 2011 - Aug 2015
Jul 2011 73160 mi	ABS ASC warning. Handbrake malfunction on pull away. Server jerking on pull away. Front wheel sensor speed ring removed and reinstalled due to string wrapped around wheel hub.
Nov 2013 91220 mi	Would not start. Stuck in park. Replaced battery as low battery shown Problem not solved. Manually unlock park with button provided. Then car would start. Has happened twice. Suspect fault in brake light earth as bulb warnings randomly.
Feb 2014 93200 mi R 1000	RAdio was going on and off every 3 seconds. Air con would not display Other MMI failures as well. The telephone unit under the carpet had failed.
May 2014 93000 mi R 17500	Not Starting, TCU failure. Repaired TCU by non dealer repairer, but CAN com failure on repaired TCU. Replace TCU at dealer. Cost in ZAR South African Rands; about $1,590.

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Audi A6 in Virginia, United States Oct 2009 - Mar 2015
Oct 2009 43000 mi	No power to the cigarette lighter - tried to replace fuse but the fuse kept blowing. Warranty covered replacement of cigarette lighter.
Nov 2009 44000 mi	The fuel gauge would read empty but I know there was at least a third of a tank. This is a known problem and there is a wiring kit that the dealer had to order to repair the problem Left taillight malfunctions and sensor will come on in the driver control panel indicating a malfunction. This is a known problem and the dealer ordered the left taillight assembly and replaced.
Dec 2009 47000 mi	Right rear taillight had bad seal and water was getting in to light. Taillight assembly replaced. Headlight selector knob rattled excessively. Technician put foam under the knob and problem solved
Dec 2013 71000 mi US $4500	Broken sunroof drain. Replaced drain, all carpet and some electronic equipment for MMI system
Mar 2015 77000 mi	Clogged drains caused water to get behind firewall and flood underneath the carpet. Electronics and carpet were damaged.

Audi A6 in New Jersey, United States Sep 2009 - Jan 2013
Oct 2009 30000 mi	CEL came on. Purge valve was faulty and causing CEL light. Valve was replaced; car running normally now. Pedal travel longer than normal. Brakes would grab quickly after certain amount of pedal travel.
Apr 2010 35100 mi	drain tube for passenger side was cracked and leaking water onto headliner. Replacement of sunroof drain tubes.
May 2010 35300 mi	Replacement of coil packs. Replacement of coil packs
Jan 2011 44000 mi	Grinding sound while turning wheel near lock during cold weather. brought to dealer 1st time; told no problem. Brought to dealer 2nd time and Audi engineer reviewed. Parts ordered to repair and will be installed wk of 06-Feb
Jun 2011 46000 mi	CEL came on due to gas cover being opened
Aug 2011 49500 mi US $85	Sunroof cover and tracks were replaced. Problem not fully repaired as of this writing. Sunroof cover not opening/closing as it should. Update: fixed the following month. a/c failed on hottest day of summer. Other issues looked at include Power steering noise and sunroof issues
Jan 2013 59000 mi	There was a lingering rattle that no one was able to diagnose. It was one of the reasons I got rid of the car.

Audi A6 in Massachusetts, United States Nov 2011 - Jun 2013
Dec 2011 116000 mi US $365	Replace driver front wheel bearing
Mar 2012 121000 mi US $2500	Front end noise. Original repair replaced both outer and drivers side inner tie rod. Tie rod replacement resulted in broken seal on steering rack, which resulted in steering rack replacement.
Mar 2013 139000 mi US $400	Doors won't lock, car won't start.....replace ignition switch

Audi A6 in California, United States Sep 2008 - Apr 2012
Jun 2009 28000 mi

Audi A6 in Florida, United States Nov 2008 - Oct 2016
Nov 2009 31000 mi	A/C compressor need replacing Driver window malfunction. "could not replicate"
Jan 2011 42000 mi	power window regulator
Sep 2011 47000 mi	Spring fell of of sunroof. Parts ordered.
Feb 2013 63000 mi US $400	Horns replaced. Front left amber driving light out following repair. Went back to have it replaced.

Audi A6 in New York, United States May 2009 - Jun 2014
Apr 2011 66000 mi US $450	seat belt tensioner caused a check air bag light to illuminate

Audi A6 in Washington, United States Dec 2008 - Sep 2018
Dec 2011 68700 mi US $50	Airbag light, seatbelt squib Fuel pump failed
Feb 2013 82000 mi US $400	Check engine light caused by faulty hose. Hid bulb replacement
Aug 2014 89900 mi US $800	Hot air from outer vents when AC on

Audi A6 in California, United States Dec 2008 - Mar 2010
Jan 2009 37000 mi	Electrical system shorted. First, no sound from any system. While waiting for appointment, car would not start (sound came back on) and had to be towed.

Audi A6 in New York, United States Oct 2008 - Oct 2021
Dec 2008 38000 mi	Driver side mirror sticking while unfolding. Takes several tries to have mirror return to factory unfold position. Can not close passenger side front window with driver side control. Window will open with control but not close. Broken latch on center console arm rest.
Jan 2009 39000 mi	Rattle and groaning from passenger rear area when traveling over rough pavement. Motor for driver side mirror fails to fully unfold mirror. New motor assembly ordered. Dealer replaced rear deck, adjusted split folding rear seats locking latches, rattling and groaning still exist.
Apr 2009 44000 mi	replaced driver side rear view mirror, all parts except housing.
Nov 2011 91000 mi US $6	Cracked vacuum line, replaced line.
Mar 2014 131000 mi US $37	Oil leak from valve covers, both sides. Valve cover gaskets were replaced.
Aug 2014 138900 mi US $150	Starter died, one of the wires corroded thru.
Jun 2015 154000 mi US $400	Alternator failure, replaced with factory unit.
Oct 2015 159800 mi US $3225	Fluid leak at transmission cooler line into radiator. Coupling rusted, replaced all lines from radiator to transmission and new radiator.
Sep 2016 172000 mi US $980	right front wheel bearing worn, part replaced.

Audi A6 in New Jersey, United States Oct 2008 - Apr 2012
Sep 2009 22000 mi	Clicking noise from front wheels. Diagnosed as front wheel bearings, parts ordered.
Oct 2009 24000 mi	Front wheel bearing replacement eliminated clicking noise from front wheels.
Aug 2010 42000 mi US $80	Maintenance service under Audi Care covered scheduled maintenance this trip. Customer pay portion for wiper blade replacement only. Certified Pre-Owned warranty covered replacement of trunk latch as the trunk would not always close. $40 ded
Apr 2012 72000 mi	Dual temp control valve failed and required replacement

Audi A6 in Alberta, Canada Dec 2009 - Jun 2017
Aug 2010 39560 mi	power steering pump replaced because of groaning noise when turning and driving slowly, eg. during parking.
Jul 2011 46500 mi C $100	Air Conditioning stopped working. Problem with electrical connectors to A/C unit. Connectors replaced.
May 2014 75300 mi C $180	Both front sway bar links were replaced
Aug 2015 93280 mi C $150	Replaced pulley of serpentine belt tensioner
Sep 2016 97960 mi C $166	Replaced purge valve solenoid of evap. system in the fuel tank and replaced fuel cap. Updated technical service bulletin for the parking brake. However, brake warning light still illuminates intermittently.
Mar 2017 102300 mi C $800	Replaced valve cover gaskets and front cam cover gasket as they were leaking oil. Reinforced the connection of plug-in connector for rear seat airbag sensor under the seat as the warning light was illuminated. ABS module replaced.

Audi A6 in New Jersey, United States Mar 2013 - Jan 2017
Aug 2016 105300 mi US $300	Check Engine Light comes on intermittently
Jan 2017 103000 mi	Check Engine light was NOT repaired and it remained a problem, which was the reason I sold the car.

Audi A6 in Texas, United States Mar 2013 - Jan 2017
Dec 2013 78000 mi US $500	Replaced sensor that turns on headlights at night
Feb 2014 78900 mi US $1100	Air suspension strut failed
Sep 2014 86000 mi US $1500	Air suspension failed Purge valve sticking
Dec 2015 95000 mi US $650	repaired oil leak
Mar 2016 98000 mi	Engine oil leak
Apr 2016 98700 mi	We finally got the oil leak fixed, but it took 2 more trips to the dealer. We kept going through the engine replacing additional seals until we finally fixed the problem.
Jan 2017 95000 mi US $2400	Broken motor mount Replaced power steering pump

Audi A6 in Kentucky, United States Apr 2015 - Apr 2017
Dec 2016 169000 mi US $3337	I drove to work with no issues, at lunch it began with a loud ticking. Took it to the shop & they said that they found the timing chain & related parts had come apart & I needed a new engine.
Apr 2017 169000 mi US $200	Worn pads,e brake is acting weird now will update later

Audi A6 in Arizona, United States Jun 2012 - Nov 2013
Dec 2012 85000 mi	timing chain seal, valve cover gasket
Jul 2013 92700 mi US $120	A/C Recharge Entire headlamp assembly replaced. internal left/right motor broken
Aug 2013 94000 mi US $300	power steering fluid leaking. clamps and hose replaced.

Audi A6 in California, United States Jun 2010 - May 2014
May 2011 87000 mi US $480	Upper control arms replaced, alignment performed, two new tires purchased, mounted, balanced, installed. Upper control arms replaced, alignment performed, two new tires purchased, mounted, balanced, installed.
Sep 2011 92000 mi US $1019	Replace vacuum pump, timing cover gasket Replace vacuum pump, timing cover gasket
Oct 2013 140000 mi US $145	I needed to have the sunroof repaired. The rubber on some springs had failed and they ordered a replacement kit and installed it in about 45 minutes (after the kit arrived).

Audi A6 in Pennsylvania, United States Dec 2013 - Dec 2017
Oct 2014 109200 mi	Trouble code P2404, ongoing issue. Reset the fault and it comes back at irregular intervals. No performance or fuel economy effects.
Jul 2015 111200 mi	P2404 re-appeared after several hundred miles.

Audi A6 in New Mexico, United States Oct 2013 - Jul 2018
Oct 2013 101000 mi US $200	Fuel door no longer opened when latch was pulled. Shop replaced the actuator device. Cost for part was ~$100. Labor was ~$100. Bought the car with this problem. Unknown when problem occurred. One of the rear plate lights is reported by car as non-functional. Shop spent an hour of labor looking at it but could not figure out how to solve. $100 in labor. :-( I just live with it beeping on the dash now when i turn on my headlights.
Nov 2016 120300 mi US $1837	Replace front strut (Sport). Strut assembly replacement. Strut mount replacement. Replace Upper control arm assemblies. Front left - front, Front left - back, Front right - front, Front right - back. $670 for parts. $220 for labor. Power steering hose leaking. New clamp + power steering flush. $30.78 parts. $55 labor. Remove / replace seized bolts in front suspension. $17.80 parts.
Jul 2018 128000 mi US $62	Replaced a leaky spare tire Did a trip check, also got info on the check engine light which is some kind of sensor problem

Audi A6 in Colorado, United States Feb 2014 - May 2018
Aug 2014 94100 mi US $770	Ventilation for heater was stuck open, sending full heat to side and rear vents. Required a new Audi dealer supplied part ($500 for part alone) to correct issue.
Dec 2014 97000 mi US $271	One HID bulb was near dead. Replaced both at same time.
Jul 2016 106500 mi US $240	Car shows a brake light out in dash. Brake lights are LED, there is no actual malfunction in the brake lights.
Dec 2017 114000 mi US $330	Brittle coolant expansion tank hose connection split and sprayed coolant all over engine bay. Repair required entire hose assembly and brackets be replaced (they were old and beyond repair). Parts were limited in my major metro area so it took an extra day to wait for the required parts.
May 2018 118000 mi US $160	We required a replacement of the entire LED right rear brake light unit in order to fix this issue. It was deemed to be due to corrosion on the circuits within the brake light unit. The market has responded with several aftermarket brake light housings. Cost was $160 for the unit. Replaced by owner (15 minute job, very easy).

Audi A6 in New Jersey, United States Jan 2014 - Sep 2016
Jan 2015 137000 mi	Dealer caused an error in the programming of the gas mileage computer. Suggested I replace the instrument cluster. When they realized they caused the issue, they reprogrammed the trip computer.
Feb 2015 138300 mi	Low fluid
Jun 2015 145000 mi US $100	Replaced fluid
Sep 2015 150000 mi US $2100	New compressor motor
Nov 2015 152900 mi	Leaking oil
Feb 2016 157000 mi US $1100	Seals. Leaking oil.

Audi A6 in Michigan, United States Nov 2011 - Sep 2017
Jun 2013 46000 mi US $200	Tire pressure monitoring system - battery failure

Audi A6 in Wisconsin, United States Dec 2013 - Oct 2019
Aug 2014 176000 mi US $190	Tail light assembly LED brake lights shorted out after water damage to poorly sealed enclosure as a result of broken retaining tabs on the assembly. Total replacement of the driver's side tail light assembly as a result.
Jan 2018 240000 mi US $8	Replaced front amber marker light, took longer to access the bulb than to actually replace the bulb.
Feb 2018 246000 mi US $900	Brake warning light came up on HUD. New rotors and brake pads required. Takata airbag sensor recall/replacement.

Audi A6 in Illinois, United States Oct 2009 - Nov 2015
Jan 2010 35000 mi	Only repair has been to replace drivers side air bag cover which was rattling. Took months to get part from Germany.
Sep 2014 80000 mi	TPMS warning keeps coming on, no issues with tire pressure. TPMS replaced.

Audi A6 in Pennsylvania, United States Sep 2010 - Dec 2016
Feb 2012 90700 mi US $300	Left bank failure due to broken harness cause check engine light to appear.
Aug 2015 141000 mi US $4500	Leaking head gasket
Sep 2016 169000 mi US $2500	The throttle body broke.

Audi A6 in Ontario, Canada Feb 2011 - Jun 2013
Mar 2011 62620 mi	During the first month, the fuel injectors needed to be replaced (covered under warranty, thankfully - $2000). Slow to start when cold. The air bag sensor warning light became active within 3 weeks of buying it and was found to be a broken connector (also replaced under warranty - $300).
Oct 2012 76340 mi C $120	Trunk latch won't lock when the outside temps get cold. It's a known issue to Audi,but no recall.Part cost is about $99+tax.Takes about 1 hour to fix,and can be easily done yourself, if you are even the least bit mechanically inclined.
Jun 2013 84940 mi C $900	Shifting hard,2nd&3rd,3rd-4th.The computer needed reprogramming.3 hrs labour cost and 5L(@$67/litre?? WOW)tranny oil. Well,it didn't fix it, made it worse, and now they want to replace the mecatronic at a cost of $6600 !!! Don't think so!

Audi A6 in Washington, United States Nov 2010 - Jul 2012
May 2011 92000 mi US $50	Fuel sensor quit working, indicators on dash said 0 miles left and needed fuel, gauge for fuel was below empty, but tank was full. Fixed in 4 hours. Cost was $50 warranty deductible.

Audi A6 in Pennsylvania, United States Aug 2011 - Oct 2011
Sep 2011 72000 mi US $250	Check Engine Light - EVAP purge valve replaced. Rear parking assist buzzer failed, replaced

Audi A6 in Virginia, United States Mar 2010 - Sep 2012
Mar 2010 46000 mi	Replaced front hub / bearings on one side.
Sep 2012 98000 mi US $9100	Started shifting roughly. Dealer said replace transmission. Between this, upcoming need to replace control arms, and $1,500 annual maintenance, decided to sell car as-is. Afterwards learned might have been able to fix with a $200 module. Replace Transmission

Audi A6 in Washington, United States May 2015 - Mar 2018
Sep 2016 62000 mi US $800	Tire sensor malfunction due to low batteries

Audi A6 in Missouri, United States Nov 2010 - Mar 2014
Dec 2011 96000 mi US $200	Trunk lid would not latch. They had to replace the latch. The problem with latch started 2 years ago and was worse when it was cold (below freezing) it gradually got worse and this fall it would act up in 50 degree weather.
Jan 2013 109500 mi US $1000	Had to replace ESP module $700 part $300 labor. Dash alarm was going off continuously. The tech worked on diagnosis for more than 2 hours. Parts had to ordered. Car alarm signaled a break in occasionally with the lights flashing and horn beeping. It would happen randomly. Christmas eve is went off a dozen times while were in a resurant. It was the right rear door sensor $300 parts and labor.
Nov 2013 121300 mi	Tire pressure sensor malfunction. Shop could not pin point which one failed but I was told it is likely the battery going out on them. All 5 would need to be replaced at about $140 each or about $700 Small leaks in the oil pan, oil drain plug, valve covers. Estimated about $1000 to repair. Instead I'll add a little oil occasionally. I believe I was told tie rod end that was becoming loose and should be replaced soon. Estimated $1000

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Audi A6 in Netherlands Aug 2009 - Dec 2014
Sep 2009 55800 mi €400	No power available while driving thru mountains in Italy. Replacement of turbo sensor ($7) was required. Claimed 7 hours for diagnosis and repair.
Sep 2011 76260 mi €1200	dual mass flywheel broken

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Audi A6 in Estonia Sep 2011 - Nov 2011
Nov 2011 141360 mi	Power steering pump hose leak. Had to refill fluid every four days. Random starter fault when sold.

Audi A6 in Ontario, Canada Mar 2012 - Dec 2012
Oct 2012 159620 mi	Lower outside valance on both drivers and passanger front doors were separating away from the door at the top of the valance. Audi replaced and painted both doors and trim at no cost under the warranty for rust.

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Audi A6 in Sweden May 2014 - Mar 2018
Aug 2014 107500 mi $165	Car didn't recognize key. Towed it to dealer who told me that it needs a new transponder, the entire steering column needs to be replaced! Costs at least $2000. Clearing of faultcodes made all work OK since, hope it doesn't come back!
Apr 2015 112840 mi $800	Change of ABS main module. Amount in US$ (800)
Feb 2018 129580 mi	ABS / antitheft problem. The ABS is not functioning, it shows ABS / ETS fault. Needs to replace the ABS valve/main module. Also the steering column actuator is faulty, symptoms are that you can't turn on the ignition or start the car. Happens from time to time, you don't know when. My solution is to leave the key in the ignition and lock the car with the spare key, or reset the fault code with VCDS. Needs to replace the whole steering column (including the anti-theft box), costs around 2500 USD in an Audi workshop (and around 1500 in an non-Audi workshop).

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Audi A6 in Pennsylvania, United States Apr 2013 - Aug 2015
May 2013 141200 mi US $780	Coolant leak in the radiator
Oct 2013 148200 mi US $2390	High oil consumption. They replaced the valve cover gaskets, it helped some but I'm still going through oil faster than I should. Engine mounts broken, caused warning lights and rough running engine Broken sway bars
Jul 2014 162000 mi US $866	Oil leak in oil cooler, possibly fixed. Replaced coolant reservoir. Issues with timing / check engine light. Light is off for now, but timing issue persists.
Sep 2014 164000 mi US $50	Leaking power steering hose

Audi A6 in Connecticut, United States Jun 2012 - Jul 2012
Jul 2012 82000 mi US $1300	car sputters when accelerating,slight cliking outside car when turning the wheel,car vibrates when turning very sharp or doing a uturn

Audi A6 in Sweden Apr 2013 - May 2013
May 2013 111600 mi $150	Ignition box failure cylinder 3

Audi A6 in New Jersey, United States Nov 2012 - Mar 2015
Dec 2012 99000 mi	Fluid leak. Mechanic found loose clamp on a pump he replaced 6 months ago. Fixed loose clamp for free as it was his mistake. Trunk will not latch closed. Played with latch using key and got it to work eventually, but the problem returns periodically.
Feb 2013 100200 mi	Power steering pump, which was only 13 months old, failed. Replaced again by mechanic under warranty (even though slightly out of warranty)
Feb 2015 122000 mi US $300	Sensor in Ac dead. Part replaced.
Mar 2015 122000 mi	Many unrepaired problems. Steering pump leak, steering column sensor. Entire engine would have to come out to replace the entire steering column. Broken AC. Broken nav. Broken sunroof.

Audi A6 in Alberta, Canada - Apr 2010
Jan 2010 C $650	start failure
Mar 2010	Car showing severe electrical problems. Battery drain. Repair trip to diagnoze problems
Apr 2010 C $250	electric brake failure esm failure

Audi A6 in New York, United States May 2012 - Aug 2014
Feb 2014 137400 mi US $10000	Timing chain and tensioners were replaced, as was the torque converter
Jun 2014 141000 mi	Manifold was replaced but it did not correct the problem, so I was not charged anything.
Aug 2014 141000 mi	Power steering hose broke. Problem with engine related to manifold never fixed.

Audi A6 in Ohio, United States Apr 2015 - Dec 2015
Jul 2015 60200 mi US $500	Replaced headlight due to faulty motor

Audi A6 in Michigan, United States Dec 2014 - Dec 2014
Dec 2014 89000 mi US $4200	Transmission blew out and had to be completely rebuilt.

Audi A6 in Pennsylvania, United States Jun 2014 - Apr 2017
Jul 2014 104300 mi US $1000	Hot air was blowing out of the vents, even though the AC was on. On second visit, we replace the valve and the problem went away. Dealers don't know about this issue -- Google it and you will find it.
Feb 2015 109700 mi US $2200	Replaced ABS module and pump
Mar 2016 114000 mi US $2200	control arms for steering which were wearing for a long time
Jan 2017 110800 mi US $500	Very slow leak in tube caused coolant to drip onto main belt, both needed to be replaced.

Audi A6 in Pennsylvania, United States Feb 2014 - Jun 2018
Mar 2014 174000 mi US $3000	Timing chain tensioner failure, caused bent cam chain to skip tooth, bent valves.
Aug 2014 175000 mi US $75	Engine Fan harness retainer broke, allowing wire to rub against alternator belt. Wires wore through, alternator belt damaged.
Mar 2015 183000 mi US $205	Bank 1 Oxygen sensor
Jun 2015 189000 mi US $600	AC Compressor failed. Compressor, Recieverdryer, and orifice tube replaced. System flushed.
Apr 2017 202000 mi US $163	Oil check valves under intake manifold were replaced, along with all gaskets for intake.
Mar 2018 206000 mi US $500	Power steering return hose leak, required pulling lock carrier to replace.

Audi A6 in Connecticut, United States Jun 2011 - Apr 2016
Dec 2011 68000 mi US $200	trunk latch not engaging
Apr 2016 149000 mi	timing chain

Audi A6 in Pennsylvania, United States Feb 2011 - Mar 2011
Mar 2011 89000 mi US $1300	Car stalled and would not start. Required new fuel pump and emissions sensor

Audi A6 in Tennessee, United States Nov 2010 - Feb 2011
Oct 2010 48965 mi US $308	Broken Trunk Latch
Jan 2011 50061 mi US $708	Valve Cover Gasket Valve Cover Gasket
Feb 2011 50061 mi US $1000	Front Control Arm Bushings

Audi A6 in New Jersey, United States Jul 2009 - Jul 2013
Jan 2010 60000 mi	Slow leak from wiper wash reserve tank. Headlight washer pump replaced under CPO warranty. Right rear light intermittently out. Replaced whole rear light assey under CPO warranty. Wind noise in sunroof after replacing broken springs in sunroof sunshade. Fixed it myself by replacing weather seal in sunroof.
May 2010 65000 mi	Ticking noise from front wheels noticable on indoor parking lots. Dealer replaced left & right lower steering arms saying the ends are worn out but ticking noise still exists. Don't even know why steering parts were replaced.
Sep 2010 72000 mi	Nothing. Could not replicate problem! Oil leak detected on valve cover. Was told during 65K maintenace that was catetory 3 and had to be developed to category 1 in order to be covered under CPO. Oil loss increased and so took it in and was repaired by replacing gasket.
Aug 2011 86000 mi US $300	A/C Not working and performed Total A/C Diagnostics. Found low charge of R134A A/C Gas and Re-Charges gas. Parking Sensor Buzzer sound is breaking up. Part is only $20 but Labor will cost another $240 so decided not to fix problem.
Sep 2011 86000 mi	Check engine light came on. Reset ECU with VAG-COM at the dealer and problem dissappeared. Computer was showing lean fuel to air mixture but could not fine cause of problem
Nov 2011 90000 mi US $5	Xenon light leveling motor defective warning light came on but dissappeared by itself. Problem has not returned for another 2 weeks. Side marker bulb out warning lit. Bought bulb at Walmart for $5 and self repaired. Warning light is now off.
Apr 2012 96000 mi US $300	Check engine light on. Intake vacuum leak found. Intake hose torn found through visual inspection. Part replaced and error codes reset.

Audi A6 in Ontario, Canada Oct 2010 - May 2012
Nov 2010 53320 mi	Both front windows were slow when rolling up or down. Ordered window guides and replaced on another trip.
Jan 2011 54960 mi	Takes a long time for engine to reach operating temperature. Shop didn't find any problems as the engine was already warm by the time it was driven to the shop.
Apr 2011 57940 mi	Engine would take a long time to reach the normal operating temperature. Thermostat has been replaced. Both front power windows were rolling up or down very slowly. Regulators replaced. Problem remained.
Jun 2011 62620 mi	The front windows are rolling up and down too slowly. parts ordered. In addition, the black paint on switches and buttons are bubbling or coming off, new switches ordered.
Jul 2011 62920 mi	Parts installed, slow windows and switches fixed.
May 2012 70680 mi	Trunk Lid struts never worked correctly after dealer replaced them. Nothing wrong with the original set.

Audi A6 in Louisiana, United States Jan 2011 - Mar 2013
May 2011 35500 mi US $1036	Power steering hose has a leak. They quoted me $254.58, for part and labor. Originally brought car in for 35k service, but had noticed a slight issue with power steering pump. Also, front brakes and rotors need to be replaced at $511.50.
Oct 2011 39000 mi US $1965	Transmission was leaking significant amount of ATF. Dealer replaced gasket and re-filled transmission. Water cooled altenator started making a horrible noise; apparently a bearing failed causing the problem, this bad boy cost around $1000 to replace.
Sep 2012 46000 mi US $1500	sway bar bushings wore out & needed to be replaced. bushings failed on Upper linkage (control arms) needed to be replaced

Audi A6 in New Jersey, United States Dec 2011 - Sep 2013
Sep 2013 68000 mi US $350	Power steering failure

Audi A6 in Colorado, United States Jul 2010 - Jun 2011
Aug 2010 74023 mi US $3400	new steering column lock out sensor broke and whole column needed replaced all new upper control arms new tires because it wore one down when the column went haywire new steering column lock out sensor broke and whole column needed replaced all new upper control arms new tires because it wore one down when the column went haywire

Audi A6 in Arizona, United States Feb 2007 - Mar 2010
Apr 2007 23000 mi	airbag light in dash on. This was the third time it has been back for the same problem. replaced module in dash, replaced seatbelt sensor in back seat, then replaced entire seatbelt mechanism. LIGHT is back ON!! Wiperblades replaced and center console doo
Dec 2009 49000 mi US $50	Front sway bar bushings and control arm bushings worn and creaking. air bag warning light came on and required software update.

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Audi A6 in Ontario, Canada Jun 2009 - Oct 2010
Jul 2009 68200 mi C $750	Fuel injector #2 failed, needed to be replaced. Apparently it's an AUDI "blocked" part. This means that the replacement must be done at a dealership (can't be taken to a 3rd party garage)
Sep 2009 68820 mi C $1700	Access/Start Control unit was fried. The car would not start. Part had to be ordered from Germany. Audi of Canada refuses to acknowledge that the TSB should have been covered under warranty as it was a known issue for at least 2 years.
Jun 2010 75640 mi C $40	The warning for the rear right brake/turn signal light goes on intermittently. However, the bulb is fine... seems to be an LED contact problem. Likely, the whole fixture needs to be replaced @ $300 (AUDI likes this approach a lot).
Sep 2010 77500 mi C $600	Front passenger headlight burned out, $350 after tax... Did the carbon injector cleaning service for $250, we'll see what that accomplished.
Oct 2010 77500 mi	When sold the brake light was still intermittently not working (tripping the alert on the dashboard) - by extension the right turn signal wouldn't work either because it was the same light.

Audi A6 in California, United States May 2008 - Sep 2017
Feb 2008 27625 mi	Airbag light came on. Attributed to software fault. Software updated. Engine light came on.Found multiple ignition misfires, swapped coils and sparks plugs, to return @later date.
Nov 2008 33874 mi	Airbag light is on.Found faulty seat belt buckle shorted out, replaced.
Jan 2009 36895 mi	Engine light is on, traced to a faulty key tumbler.Replaced, also found sporadic misfires in cylinder 1 and 5. Switch may have been the cause for misfire. Start switch inop at times. Replaced
Mar 2009 38147 mi	Engine light is on. Vehicle misfiring due to faulty intake system, used fuel injection service to clean intake system.
Jun 2009 40576 mi	Engine light ON. TSB 2011719/6 replaced all lifters and rocker arms. The symptoms were excessive cold start misfires fault codes. Engine light goes on and off. Fault codes for ramdom multiple misfires. Factory service bulletin ordered all rocker arms,lifters and corresponding gaskets replaced. 3 spark plugs replaced. Hope the misfire problem has gone away!
Aug 2009 42486 mi	Timing Chain Cover flared in right side causing to leak oil which dripped into the exhaust creating smoke and bad odor.Cover was replaced by dealer. There was an update to the software, but dealer did not install because was not part of warranty ($250)
Dec 2009 46000 mi	More problems with engine light coming on. Coils are supposed to be replaced by manufacturer, but owner needs to wait for call from dealer. Car is out of warranty if yellow light is due to another reason owner will be charged. Had enough of Audi!!!!!
Jan 2012 57000 mi US $220	Intake manifold removed, many parts replaced due to continuos engine misfiring, this problem is occurring since car had 27000 miles, coils were never replaced even when Audi ordered to do so by dealer. Rear lid latch failed to lock
Mar 2012 60000 mi US $632	They found several problems inside engine like broken valve springs. They replaced quite a few parts and rebuilt half of the engine. I only paid about 15 percent of the total. Finally after two years the car is performing well.

Audi A6 in California, United States Jun 2009 - Dec 2014
Jul 2009 56000 mi US $825	car was diagnosed with a #3 fuel injector that was stuck wide opened, and one side of air intake manifold was not opening/closing correctly.fuel injector had to be replaced. also had all spark plugs replaced. primary cost of repair went labor. ouch!
Apr 2012 106000 mi US $2000	In-take manifold and housings malfunction and to be replaced.
Mar 2014 142000 mi US $100	Engine head valves were leaking oil for about a year. Replaced valve gaskets and spark plugs on both sides. Peripheral air vents occasionally blowed hot air when ac was on. Found fix online. AC valve module needed cleaning.
Jul 2014 151000 mi US $10	There was a vacuum leak causing check engine light to come on. Check and saw a section of vacuum hose that needed replacing. That did the job.
Dec 2014 160000 mi US $700	Coolant leaking at air cooler-engine connection due to wore gasket. Oil leaking from driver side at the back of engine. Cause was due wore sealant in time chain caps. Caps removed and added new sealant.

Audi A6 in California, United States Feb 2010 - Jun 2011
May 2010 40000 mi	Moonroof leak. Fixed for free under recall notice.

Audi A6 in Massachusetts, United States May 2009 - Aug 2012
Nov 2009 76000 mi US $1284	Heater blowing hot and cold air from random vents; fixed through TSB. New battery drains prematurely; brake light TDB. Advanced Key stopped working; replaced start/stop button. Drivers Auto Down does not work consistently; replaced window pad.
Jun 2010 83000 mi US $210	Driver and passenger side washer nozzle.
Aug 2010 84800 mi US $1400	Front passenger occupant sensor need to be replaced. Airbag light came on. Part was not in stock; dealer had to order from Germany, est shipping 5 days, repair 4 hours max.
Dec 2010 89000 mi US $1200	Both front upper control arms and sway bar had to be replaced.
May 2011 93000 mi	driver side brake lamp: replaced assembly because LED
Jul 2011 95000 mi US $200	Right DRL out, and check engine light due to evap leak.
Jun 2012 105000 mi US $1600	replace ABS module
Aug 2012 105000 mi US $1600	SRS Airbag light on. Needs new center rear seat belt sensor.

Audi A6 in Florida, United States Apr 2010 - Jun 2011
Jun 2010 60000 mi US $800	Airbag warning light came on. Needed to replace ignitor.

Audi A6 in North Carolina, United States Aug 2010 - Dec 2013
Oct 2010 95000 mi US $800	Suspension "boots" worn and replaced.
Jan 2012 109000 mi US $2500	Head gasket Replace fuel pump and filter Replace water pump and timing belt Replace surpentine belt and roller CV boot replacement
Dec 2012 124000 mi	Fluid dropped levels in brakes. Bled and replaced, checked for leaks, nothing found.
Mar 2013 125000 mi US $235	Vibration mount had deteriorated. Replaced.
Aug 2013 128600 mi	Vents run hot air when A/C is indicated.
Dec 2013 130000 mi	HVAC duct issue never fixed, would have been $1,200.

Audi A6 in Illinois, United States Sep 2009 - Mar 2011
Jan 2010 56600 mi	TSB was used to repair the battery being constantly drained.
Feb 2011 66000 mi US $890	Power steering line was leaking. Replaced and flushed system out Rear Defrost is not working. Fix was to replace AC head unit. $1000 with parts and labor = Living with no rear defrost! Transmission kicks when cold going in and out of 3&4 gear. Very noticeable, but dealer "Can not replicate" Right Front Wheel Bearing replaced Right rear taillight was grounding out causing all right rear lights to fail

Audi A6 in New Jersey, United States Nov 2008 - Mar 2010
Dec 2008 44000 mi	Entire Multi-Media Interface (MMI) died. No radio, cd, satellite, phone, nav or set-up features.

Audi A6 in Pennsylvania, United States Dec 2007 - Jan 2014
Jul 2008 72000 mi US $50	1. leak detect sensor replaced 2. vacuum hose replaced 3. engine control module replaced (root cause)
Dec 2008 78000 mi	Trunk will not latch.
Jun 2009 87000 mi	spring kit for sunshade in sunroof replace after springs had fallen out.
Jun 2011 121000 mi US $500	CV joint broken, noisy; replaced. electronic parking brake malfunction, noticed via warning light. Not I function I use. $400+ (wiring harness + label) Will repair soon as I assume need to pass inspection in September
Mar 2013 149000 mi US $1600	Replaced wiring harness, controller, and switch for electronic parking brake.
Jan 2014 97000 mi US $1900	Multiple check engine codes for cylinder misfires and cam advance. Dealer replaced throttle body and 2 Cam Adjusters. Check engine light remains on after services, need to replace timing chain (a 25+ hr labor) job. will not replace.

Audi A6 in Maine, United States Dec 2007 - Nov 2008
Sep 2008 42000 mi	Right rear wheel bearings diagnosed as failing. Right rear wheel bearings replaced.

Audi A6 in Massachusetts, United States Jan 2008 - Mar 2013
Jul 2009 80000 mi US $175	Normal trip when something broke, can't remember what really, mostly little things.
Oct 2009 88000 mi US $200	Repair the Back-up sensor
Jun 2011 116000 mi US $400	Right front wheel bearing.
Feb 2012 127000 mi US $1200	Weird flywheel bolt sheering issue, almost cost me my life, but got it off the road before crazy bad damage.
Mar 2013 137000 mi US $2500	Needed a new steering rack. Decided to dump the car after the repair.

Audi A6 in Massachusetts, United States Dec 2007 - Jan 2011
Oct 2009 64200 mi US $50	Fuel gauge fluctuates

Audi A6 in Alabama, United States Oct 2008 - Mar 2014
Jul 2010 77000 mi US $50	headlight system that follows direction of wheels
Dec 2012 127000 mi US $5000	rebuilt engine.
Apr 2013 131000 mi	rear left brake and turn signal fail to operate intermittently
Mar 2014 141000 mi US $6000	timing chains failed. Destroyed engine. rebult engine. Chains failed again. Scrapped car. Will not ever buy another Audi

Audi A6 in New Hampshire, United States May 2008 - Jan 2013
Jun 2008 39000 mi	the button on the drivers side door to lock/unlock door with advanced key was inoperable Surround sound settings resetting to factory settings. Not able to select station presets, cursor kept jumping to top of screen.
Mar 2011 106000 mi US $4341	Diagnosed with a stretched timing chain. Replace all chains, sensors, pulleys and gaskets.
Dec 2011 129000 mi US $1100	Rear plate lights not lighting. Problem with one the the computer modules.
Jan 2013 US $1030	Temperature sensor failed causing engine to run lean and overheated catalytic converter Coolant leak at one of the phalanges. Belt tensioner failing causing serpentine belt to rattle. Amplifier failed causing loss of radio, nav, Bluetooth, cd player.

Audi A6 in Maryland, United States Mar 2009 - Oct 2014
Apr 2009 59000 mi US $125	found scrub pad in throttle body from previous service
Jan 2014 106000 mi US $1000	Leaking upper radiator hose. valve cover gaskets leaking

Audi A6 in Texas, United States Dec 2008 - Mar 2010
Jan 2009 45000 mi	Smoke from the front of the car. Oil cover not put properly from the last oil change and oil was leaking out and spilling on engine.

Audi A6 in New York, United States Jul 2010 - May 2017
Sep 2010 53000 mi US $400	Oil leak, check engine light. Had to return it again because they did not completely fix oil leak.
Jan 2011 56000 mi US $700	trunk would not operate, needed 55,000 maintenance. oil change, electrical etc.
Jan 2012 76500 mi US $219	Repair of a problem
Aug 2013 84000 mi US $2100	ABS system had to be repaired. I kept hearing a clicking noise when I pulled out of my driveway.
Apr 2014 88500 mi US $470	Adaptive headlight is out. For replacement over 1000.00.
Jan 2015 88200 mi US $700	Problem with left brake, turn signal and Parking brake light. Electrical
Apr 2016 105500 mi US $2100	Engine light on. Dealer said they fixed it, but several days later the light came back on. Hope it's not the transmission. Probably the gas tank, which costs around $2,100. (This possibility was suggested back in 2014.) Update: light later went off again and stayed off for a while.
May 2017 116000 mi	Engine light is back on, the car is shaking. Went to the dealer/repair and they told me it would cost 15,000 for a new engine or get a new car. Furious, I took the car to a repair shop near my home that specializes in foreign cars. They will be looking at the problem next week. The car has been shaking and engine light comes on. The second shop also says a new engine is necessary, but would not make financial sense. So time for a new car. Will be parting the Audi out or donating it.

Audi A6 in Illinois, United States May 2009 - May 2012
Jun 2009 42000 mi US $160	The car was taken in early for it 45,000 service. I had to pay full price for the service aprox $110. The A/C compressor was broken so the part was ordered, then installed a week later. It was covered under the CPO Warranty. $50 deductable CPO warranty
Jul 2009 42000 mi US $50	The window washing fluid motor was replaced.
Aug 2010 61000 mi US $128	Air Conditioning unit was recharged with Freon
Nov 2010 67000 mi US $140	Replaced fuel pressure sensor and fuel filter, problem still exists.
Dec 2010 68000 mi	Low pressure fuel pump replaced. Cold start missfire CEL and rough idle during cold weather start up sometimes the car would die. Dealer said the car had carbon build-up on the intake valves, dealer suggested using seafoam instead of taking apart intake and manually clean I elected to try the seafoam first and it helped so for now I will not have the intake valves cleaned by the dealership.
Jun 2011 77000 mi US $45	Fuel pump had to be replaced again. Fuel filter was also replaced. Tech said the fuel filter was clogged causing the fuel pump to fail.
Jan 2012 US $1400	The car had the intake removed and excessive carbon deposits removed from the intake valves. Vacuum evac pump replaced Spark plugs replaced
Mar 2012 90000 mi US $1100	The car was in for to both a high pressure fuel pump replacement and a low pressure fuel pump replacement

Audi A6 in New Jersey, United States Oct 2010 - Jun 2011
Nov 2010 90100 mi US $1950	95000 mile service. Upon pickup heard tapping under hood at right side head. Reported to dealer and was told to drive it and it would go away. Towed to dealer with no start. Timing chain tensioner failed right side cam skipped timing. Towed to dealer with no start. Timing chain tensioner failed right side cam skipped timing.

Audi A6 in Alabama, United States Mar 2016 - Jun 2016
Jun 2016 170000 mi US $1200	All new control arms after only 2 years. Made the mistake of buying cheap ones off EBAY buy the German ones even those are a gamble if they aren't stamped AUDI

Audi A6 in Idaho, United States Sep 2010 - Aug 2013
Jul 2011 85700 mi	Sunroof switch quit functioning and was freewheeling. Known TSB available for the problem and switched replaced at no cost.

Audi A6 in Illinois, United States Feb 2007 - Dec 2012
Jan 2007 31000 mi	Fix power input closest to front dash

Audi A6 in California, United States Feb 2016 - Jun 2016
Feb 2016 93000 mi	Failed Fuel injector, cyl 3

Audi A6 in Alabama, United States Jan 2016 - Dec 2016
Feb 2016 58300 mi	TPMS sensors needed replaced. Disabled the TPMS system by vag com. Transmission service- normal
May 2016 60000 mi US $1750	AC compressor and dryer R & R.
Jun 2016 60000 mi US $750	Replace fuel pump

Audi A6 in Alabama, United States Jan 2014 - Jun 2016
Feb 2014 100000 mi US $225	CEL since 2010. Tested both the LDP and the vacuum lines, narrowed it down to an ECU. Exchange ECU with a used ECU and code the ECU to the car.
Oct 2014 108800 mi US $50	Sway bar bushings were worn and needed to be replaced.
Feb 2015 115600 mi US $170	valve cover gaskets and valve cover bolts

Audi A6 in Ireland Feb 2012 - Sep 2014
Jun 2012 58900 mi €110	Throttle valve control problem . P1545
Apr 2013 63100 mi	Throttle valve control unit replaced part no Ae4015950j

Audi A6 in California, United States Jan 2015 - Jun 2018
Jan 2015 118000 mi US $145	I don't know what subsystem was involved because the issue is an intermittent stalling problem which the shop could not reproduce and therefore could not diagnose or repair. The $145 I paid was for utterly unsuccessful diagnostics.
Apr 2016 125000 mi US $1030	During routine maintenance, shop noticed brake vacuum pump had severe oil leak. Replaced pump, $394 for the part.
Apr 2017 129000 mi US $306	Initially I got a dash warning about "Left dipped headlight" (dipped apparently means low beam). Shortly thereafter, I got a dash indicator that seamed to be a light bulb with an X through it, which means a light outage. Sure enough, the left low-beam HID headlight was not working. The repair shop replaced the bulb, which seems to have cured the problem.
Aug 2017 131000 mi US $220	"Interim" solution for for Takata front passenger-side airbag inflator was installed. I believe the repair was replacement of the inflator with an improved version. Plugged rain drainage openings in sunroof area and cowl (base of windshield) area were cleaned out. It was believed that clogging of these drainage openings was leading to water intrusion into passenger compartment during heavy rain. After our most recent rain, the passenger side footwell carpeting was soaked again, so I consider the "repair" completely UNSUCCCESSFUL.
Sep 2017 131634 mi US $312	Gas-charged hood support strut had failed so that it would no longer support the hood. I ordered a third-party aftermarket part from a local auto parts store and installed it myself. Check Engine light went on. My OBD II code scanner showed code P2404, which indicates that the sensor in the EVAP leak detection pump system is returning a value that is out of the acceptable range. Technician at the shop investigated and determined that the EVAP system's purge valve had failed. The valve was replaced with a new one, but I was warned that once this problem was cured, one or more other EVAP system faults might become apparent. No additional issues have surfaced yet.
Oct 2017 131842 mi US $609	Check Engine light came on. I checked with OBD-II scanner and found code P0455-- EVAP emissions control system leak detected (no purge flow or large leak). The shop determined that the EVAP system's leak detection pump had failed, so they replaced it.
Nov 2017 132064 mi US $290	Recently, whenever we've had significant rain, I found the front passenger seat footwell carpeting soaked. The dealer's previous attempt to solve the problem, by cleaning out the sunroof and cowl drains, did nothing to alleviate the problem. The independent shop had a technician who had seen this problem before and suspected a leak in the drain tube running from the right front corner of the sunroof and down the right A-pillar. The tech had to remove the headliner to get at the drain tube. He found an separated joint in the tube and clamped the joint to secure it. This has apparently solved the problem. Check Engine light wen on again. My OBD scanner showed me that codes for the Evap Control Purge Valve and the Evap Control Leak Detection Pump, previously present separately on recent occasions, were now BOTH present, even though both components had been replaced. The technician could detect no other issues and cleared the codes. He told me that he HOPED these codes had popped up as a result of incomplete clearing of codes after the most recent repair. There was no charge, since the recent Evap Control System repairs were under the shop's repair warranty. In the sixty or so miles I have driven since I got the car back, no warnings have appeared.
Jan 2018 132000 mi US $30	HID headlight lenses had become quite cloudy. I had a "headlight restoration" done with a coupon special. Shop (Pep Boys) polished the lenses and applied some sort of protectant. The lenses don't look as good as new but ARE vastly clearer than they were before the restoration job.
Feb 2018 132860 mi	Driver's door has not been responding reliably to remote unlocking. Most of the time it doesn't work. Shop tech told me Audi has TSB out about the central lock system and that there is a software update that is best done at the dealership service department. Tech said the software update might not be all that is needed to fix the problem, but it should be done first, before any mechanical repair is attempted.
Mar 2018 133146 mi US $870	The drivers' door had recently stopped responding reliably to the keyfob remote control for unlocking. Most of the time, I have had to insert the key into the lock to unlock the door. The dealership replaced the lock assembly on the driver's door.

Audi A6 in Florida, United States - Jan 2008
Jan 2008 49500 mi	Replaced Catalytic converter

Audi A6 in Tennessee, United States - Aug 2008
Jun 2008 32000 mi	Replaced CD changer in glovebox because it was staticy and wouldn't play even brand new clean CDs. Warranty item
Aug 2008 37000 mi	Replaced drivers interior door panel because the vinyl material CRACKED by the door handle. Covered reluctantly under warranty by AUDI. Clearly a manufacturers defect in the trim panel -- the stresses cracked it from opening and closing the door.

Audi A6 in Quebec, Canada Mar 2017 - Dec 2019
Dec 2017 76260 mi C $160	Leaky cooling hose.

Audi A6 in Indiana, United States Nov 2010 - Jun 2011
Dec 2010 78000 mi	ongoing problem with driver-side rear turn signal/brake light that intermittently stops working. Dealer replaced taillight assembly for 3rd time. Unsuccessful - again!
Jan 2011 US $765	Service manager said they replace all the light bulbs with genuine Audi parts - thought maybe they hadn't done that previously. Still unsuccessful. Gas flap would open on its own when I got into the car. They were able to reprogram some code and successfully fixed that problem. A valve seal (driver's side cylinder head) suddenly started leaking and the engine began to smoke - while my car was in the shop! Replaced three seals.
Feb 2011 78600 mi	I am still waiting for the dealer to acquire a loaner car for me to use while they try once again to find a fix. In the meantime, I'm trying to avoid making any left turns or changing lanes on the highway.
Jun 2011 80000 mi	Brought Audi to dealer for routine maint. end of June. They said needed brakes (min. $500). Decided to give up on electrical problem & spend no more $$ on the car. Traded for a 2011 Nissan Maxima. I feel cheated by Audi Company.

Audi A6 in Indiana, United States Dec 2011 - Mar 2012
Jan 2012 US $800	Replaced heating unit and control unit for heat/ac

Audi A6 in New Jersey, United States Jan 2009 - Jan 2013
Jul 2009 72000 mi	cleared code for "gross evap leak"

Audi A6 in Minnesota, United States Jan 2017 - Mar 2017
Feb 2017 83000 mi US $807	Wheel bearing needed replacing. Also had coolant leaks fixed and power steering clamp replaced. Ended up selling the car soon after as it was costing too much. Would never buy an Audi again.

Audi A6 in Florida, United States - Jun 2008
Jun 2008 17400 mi	Repair locking mechanism in driver side door

Audi A6 in Ohio, United States Dec 2007 - Sep 2008
Jun 2007 19000 mi	Exterior chrome trim surrounding windows and trunk lid replaced under warranty due to waterspot-like corrosion. Overhead interior light panel replaced under warranty due to broken retaining clips, wouldn't stay in place.

Audi A6 in New Jersey, United States Nov 2010 - Dec 2011
Mar 2011 62000 mi US $150	Ignition coil #5 replaced.
Dec 2011 73000 mi US $50	rear fog lights. 3 or 4 different audible signals indicate bulbs out, but I cant really see which ones are out even when I have someone else in car and look myself. Don't even know what a

Audi A6 in Iowa, United States Nov 2011 - Jan 2022
Jan 2012 67000 mi US $360	Took it for transmission flush. Vehicle went in 'safe mode' two days later. Returned to dealership for repair. Turned out it was low on fluid, tech did poor job. Audi does not list transmission flush ever to be done so DONT!
Jan 2013 70000 mi US $10	Light bulb burned out, day running side light, front right side, inside the bumper.
Mar 2015 108000 mi US $220	Rear differential left and right output shaft (axle) seals leaking. Replaced. Parts $70, labor $150
Feb 2016 117300 mi	Brake fluid replaced
Jun 2016 118000 mi US $300	ABS module failed, removed and sent for rebuild to indie near KC. Also connector for rear parking brake motor (electric) failed, corroded broken wire. Patched broken wire.
Aug 2016 119400 mi US $15	Connector to passenger side parking brake failed, wire rusted out and broke. Dashboard brake warning light on. Disassembled connector, wire extended and soldered.
Nov 2016 123000 mi US $15	Vacuum hose broken due to age and heat (hard plastic). Replaced with aftermarket vacuum hose from Auto-zone.
Jan 2018 130000 mi US $465	Replace and reprogram battery, patch RR parking brake harness, diagnose failing module and install optical loop (temporary) fix
Jul 2018 133000 mi US $200	All lower door trims rusted on the inside, thus creating big, ugly gap at the top of each of them. Metal part behind plastic that engages with the door pins rusted, swelling created buy rust flakes caused unsightly gap. I bought used trim pieces, different color from eBay, had them repainted and fitted on my car. They are from little newer model and it seams Audi has slightly changed this design, hopefully for the better. New replacement parts, had I bought it from Audi dealer were $150 each (x4) plus you have to paint them (primed only). It is ridiculous what these companies do to us. Clearly flawed design that customer has to deal with as soon as car is out of warranty.

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Audi A6 in Great Britain Jun 2016 - Jan 2018
Sep 2016 114000 mi £1000	Needed a new Clutch and Multi Flywheel
Oct 2017 118000 mi £345	Front offside shock absorber. Something to do with emission control.
Jan 2018 119000 mi £130	Had battery replaced

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Audi A6 in Ontario, Canada Aug 2011 - Sep 2012
Sep 2011 155000 mi C $2500	Suspension leaked and need recharge plus new shocks. Two Catalytic converters replaced plus rewriting for O2 sensors.
Sep 2012 177320 mi C $6000	First and second gear needed repaired. Had to rebuild the transmission.

Audi A6 in New Jersey, United States Feb 2013 - Mar 2013
Mar 2013 132000 mi US $2300	Check engine light came on, needed a new torque converter. Extensive job. Took 3 days to fix the problem.

Audi A6 in California, United States Nov 2009 - Mar 2010
Dec 2009 56000 mi	Extensive replacement of gaskets on the engine, seal at the input shaft of the transmission replaced, repairs made to cure excessive oil burning noted by owner.

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Audi A6 in Connecticut, United States Apr 2012 - Jun 2018
Feb 2013 90500 mi US $200	Left CV boot (original) has a tear in it. The CV boot was replaced with an Audi/OEM part and serviced.
Apr 2014 97000 mi US $275	Replaced original CV joint boot due to a tear.
Dec 2014 102000 mi US $125	Check engine light. Computer reported engine running too lean. Problem caused by vacuum leak. Repair required new gasket.
Mar 2017 117500 mi US $256	Solder joint failure in amplifier in sub-woofer. Purchased OEM NOS part on Amazon for $50.00. Technician replaced the sub-woofer assembly.
Jun 2017 122000 mi US $250	Lower radiator (original, 13+ years old) hose looked a bit crusty Right-front woofer speaker needed to be repaired. New speaker purchased online for $32.
Dec 2017 128000 mi US $1644	Replace right front, inner & outer CV Boot Drive belt tensioner failed. (original part 13.5 years old)
Feb 2018 128000 mi US $900	One of two original (13.5 year old) flex-pipe failed. Replace both.
Jun 2018 129750 mi US $265	Battery was 6.75 years old

Audi A6 in Connecticut, United States Apr 2004 - Nov 2019
Sep 2004 500 mi	replace gas cap and evaporative purge canister after check engine light comes on, 2 separate incidents, both repaired correctly
Aug 2006 16000 mi	replace driver's side visor after the insertion clasp cracked and the visor would not stay snapped into place
Oct 2012 59200 mi US $90	replaced brake switch
Nov 2013 66000 mi US $500	center differential leaking, needed repair
Sep 2015 74000 mi US $3000	Replaced catalytic converters, removed ones were fracturing. I was shown the fractures, car is 11 years old.
Jun 2017 83000 mi	Replaced split CV Boot 4 wheel alignment and 4 tires balanced

Audi A6 in Massachusetts, United States Aug 2014 - Nov 2015
Nov 2014 98700 mi	Coolant leaking from water pump; replaced water pump seal.
Feb 2015 102000 mi US $330	Rear stub axle differential seals leaking. Left and right axle seals replaced.
Aug 2015 106300 mi US $65	Car had pronounced exhaust leak. Diagnosed both flex pipes as rusty and disintegrating. Replaced both flex pipes. Water leaking into front passenger footwell. Diagnosed deteriorated gasket on cabin air filter plastic surround/tray. Replaced with new surround/tray.
Sep 2015 108000 mi US $400	Car was leaking oil. Replaced 3 cam adjuster gears to remedy the leak. Car had broken engine mount. Car leaking fluid from washer fluid tank.
Nov 2015 108000 mi	Washer fluid leak never fixed.

Audi A6 in South Carolina, United States Dec 2014 - Jan 2015
Jan 2015 US $600	Developed a almost impossible to find coolant leak

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Audi A6 in Pennsylvania, United States Apr 2009 - Mar 2010
Dec 2009 77000 mi US $600	rear shocks went out.

Audi A6 in Pennsylvania, United States Jul 2015 - Dec 2016
Jul 2015 86000 mi	secondary air pump and combination valve
Oct 2016 96700 mi US $250	Combi valve

Audi A6 in California, United States Nov 2009 - Jun 2011
Jul 2010 87000 mi US $30	replaced the temperature control module - temperature gauge in dash not working, $30 part, 30 minute repair done by me in my garage

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Audi A6 in Illinois, United States Apr 2010 - Jun 2012
Apr 2011 49000 mi	Secondary Air Pump Cabin blower squeaky, replaced blower.
May 2011 49000 mi US $750	Replaced both front CV Boots.
Jun 2011 50000 mi US $620	Secondary Air Code Both Banks, P0491. Vacuum broken under intake manifold at plastic T. Disassemble back of intake to repair.
Jan 2012 54000 mi US $40	Coolant temperature sensor faulty.
Mar 2012 54000 mi US $13	Windshield fluid leaking from tank near pump. Replaced grommet part #443955465. Broke plastic connector to pump during reassembly, bought rubber tube and connector from Advance Auto Parts to reassemble.
Jun 2012 54000 mi US $1350	Replaced steering rack.

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Audi A6 in Tennessee, United States Sep 2009 - Jun 2011
May 2010 63000 mi US $1400	Starter failed, car would not start. New starter installed. Recall items(coil packs)replaced by dealer at n/c.

Audi A6 in Texas, United States Nov 2009 - Mar 2010
Dec 2009 135000 mi US $5000	Replaced Turbos.

Audi A6 in New Jersey, United States Sep 2009 - Jun 2011
Mar 2010 57495 mi US $54	Cam adjustment and valve cover seals. CAM ADJ & VALVE COVER SEALS

Audi A6 in Washington, United States Apr 2009 - Dec 2015
Jan 2011 74800 mi US $520	Both front CV Joint Boots were found to have split. Both front Axle Assemblies were removed, inspected, and re-installed with new boots fitted. Center Console lid hinges failed. Dealer estimated $257 to replace.
Nov 2012 84200 mi US $250	Rear prop shaft seal was leaking and was replaced.
Apr 2014 95200 mi US $1500	Valve cover gaskets were leaking. Both were replaced along with the Chain Tensioner Gaskets, and Cam Caps. Since the top-end of the engine was opened, the Spider Crankcase Breather Hose Assembly was also replaced. During cooling system inspection, it was discovered the coolant overflow tank (plastic) was beginning to crack. Tank was replaced.
Apr 2015 99300 mi US $100	Coolant Temp Sensor in cylinder head replaced. Recommended by mechanic, don't know why. Trunk not locking. Trunk latches properly, and will trigger alarm when opened (if car is locked), but the trunk itself will not lock.
May 2015 99000 mi US $265	Trunk not locking. Trunk would latch and trigger the alarm when opened (when car was locked) but not lock. This had been a long-term problem that literally fixed itself the day we decided to have it diagnosed. Had latch replaced anyway.

Audi A6 in California, United States - Apr 2008
Apr 2008 45000 mi US $250	tie rod end link

Audi A6 in Illinois, United States Apr 2009 - Feb 2011
May 2009 100000 mi	Coil pack failed, threw CEL. Car driveable, but just barely - limped to dealership for repair
Sep 2009 107000 mi US $40	Coil pack failed.

Audi A6 in Pennsylvania, United States Apr 2009 - Jun 2014
Aug 2009 48000 mi US $85	Check engine light on, noticed no difference in driving the car. Computer reported standard systems check as "OK". Scheduled an appointment with dealer, who claimed a problem with the engine exhaust valves. Valves replaced under CPO warranty.
Apr 2010 50000 mi US $50	Turn signal bulb burned out in instrument cluster. Dealer stated bulb could not be replaced, new instrument cluster required. Repair covered by certified warranty.
Mar 2012 55000 mi US $92	CEL from reported intermittent evap leak. Dealer unable to find any issue, cleared code.
Apr 2013 60200 mi US $180	Engine heat sensor failed causing CEL. Bad wiring harness led to starting problems and one stall immediately after starting. Dealer replaced sensor and harness.

Audi A6 in North Carolina, United States Apr 2009 - Nov 2016
Sep 2016 140000 mi US $3500	$1800 torque converter rebuilt $400 CV joint replacement Electrical system failure due to water damage from windshield leak
Nov 2016 140000 mi	Electrical problems caused by water leak never fully sorted out. Mechanic now helping me sell the car.

Audi A6 in Colorado, United States Nov 2009 - Mar 2010
Jan 2010 US $270	Hard start

Audi A6 in California, United States Feb 2015 - Jun 2022
Sep 2016 125000 mi US $120	New coolant reservoir
Oct 2016 129000 mi US $1000	Transmission gasket replaced
Mar 2017 133000 mi US $1624	replaced entire front upper and lower control arms/bushings and assembly with Audi OEM parts
Nov 2017 134837 mi US $204	original cam position sensors failed causing CEL and fault code. replaced both banks with OEM sensors, original coolant temp sensor failed causing fault code and CEL. replaced with OEM part
Sep 2018 138000 mi US $2100	slight water coolant leak likely due to failed thermostat housing. T belt was less than 20k miles old. replaced all of the original hoses with OEM parts Power steeting pump hose replaced with OEM hose

Audi A6 in Illinois, United States May 2011 - Jan 2012
Jan 2012 87000 mi US $600	Alternator.

Audi A6 in New York, United States Oct 2011 - Jun 2016
Dec 2013 102000 mi US $600	Fuel pump failed and had to be replacd
Jan 2014 US $450	Had to get Radiator replaced
Feb 2014 104000 mi US $600	Oil Leaking, Gasket had to be replaced Strut Coil Spring broke, replaced
Apr 2016 125000 mi US $1500	Engine Oil leak

Audi A6 in New York, United States Jun 2015 - Mar 2018
Jun 2015 170000 mi US $530	Original fuel pump and fuel filter was replaced. Car would have problems starting after engine was warm. Actually in April. Voltage meter came on and brought it to a shop to test the alternator. Alternator was indeed failing and had it replaced.
Mar 2016 179000 mi US $300	Replaced original aux coolant pump that is located under manifold.

Audi A6 in New York, United States Oct 2010 - Jan 2017
Nov 2010 37000 mi US $300	Took front wheels off for balancing. Inside of right hand wheel full of grease. Yet another blown CV Boot. Mechanic offered to replace the boot, but instead replaced the half axle with allegedly OEM parts.
Mar 2011 38000 mi US $700	Broken passenger side upper and lower control arm. Replace.
Feb 2012 41200 mi US $450	Replace
Jul 2015 49000 mi US $1450	Replace upper control arm bushings
Aug 2015 49300 mi US $725	Replace front struts with OEM
Mar 2016 50000 mi US $600	Replace lower control arms OEM parts
Jan 2017 55000 mi US $850	Warn rear shock absorbers. Rough ride. Pot holes upset direction when cornering at speed.rnrnReplace rear Shock absorbers with dealer supplied OEM parts CV Axle worn and noisy. Replace both CV Axles.

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Audi A6 in California, United States May 2009 - Sep 2014
Sep 2009 35000 mi US $375	Left front drive boot torn. Replaced.
Mar 2010 39000 mi	Emission control module in CVT transmission replaced under 7 year 70,000 mile Emission warranty.
Oct 2010 42000 mi US $713	Broken front motor mount. Completely separated. Replaced both front motor mounts.
Jan 2012 49900 mi US $1320	Power Steering Pump defective. Replaced power steering pump.
Oct 2013 57200 mi US $2300	Coolant sensor leak/coolant migration to ECM All replaced

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Audi A6 in Illinois, United States Nov 2011 - Feb 2013
Feb 2013 40000 mi US $1642	Leak in rack and pinion gear. Replaced with new part. Got vibration through steering wheel along with noise. First thought that the power-steering pump was failing.

Audi A6 in New South Wales, Australia Feb 2012 - Mar 2016
Feb 2012 49600 mi A $630	Inefficient cooling and leaking into rear passenger footwell. Regassed, resealed, changed filter
May 2012 54560 mi	Front end CV covers were cracked, replaced by Euro specialist. Problem was identified previously during a service, retruned car when parts arrvived Indicator lights stay lit when turning, intermittent problem over a few weeks. Mechanic said to give the hazard light button a smack next time it happens. Hey presto - all good for now!
Oct 2012 60320 mi A $100	Car failed to start, thought alternator had failed as after jumped stalled in 5 mins. Turned out to be a coroded positive battery lead.
Apr 2013 67880 mi A $220	leaking water washer reservoir. had repaired whilst in for a service, charged 2 hours of labour in addition to service
Oct 2013 72600 mi A $110	inner reverse sensors going off with no object. Found to be picking up the towbar, unable to adjust the direction of sensors. Problem still occurs intermitently
Jan 2015 79100 mi A $1000	Shudder through body and steering wheel. Replaced all front control arms. Improved, but not entirely fixed. Control arm kit from Vaico a poor after market kit. Need to fit new lower control arms after 1,000km. Quote at $1700
Jan 2016 87280 mi A $1400	Alternator failed - expensive part in AU!

Audi A6 in Ohio, United States Jul 2013 - Jun 2015
May 2015 174400 mi US $2500	the exhaust system had to be replaced

Audi A6 in Arkansas, United States Jul 2012 - Aug 2012
Aug 2012 125000 mi US $800	Rear shaft seal replaced do to leakage

Audi A6 in New York, United States Apr 2009 - Jan 2013
Aug 2010 79000 mi US $750	Left CV Joint replaced
Oct 2011 92000 mi US $600	Wheel bearing replaced
Dec 2011 94000 mi US $300	Flex pipes between Catalytic converter & exhaust needed replacement. Cruise Control lever had to be replaced

Audi A6 in Missouri, United States Nov 2010 - Oct 2011
Mar 2011 40000 mi US $259	Washer fluid system was leaking washer fluid. Dealer replaced washer fluid pump. Brought vehicle back two weeks later because it was still leaking. Dealer discovered a crack in the reservoir. I chose not to repair it as yet. Washer fluid pump was leaking washer fluid.
Jun 2011 45000 mi US $957	Washer fluid leak was determined to be faulty seals for headlight washers. I requested that they be disconnected as Service Desk felt this would be a recurring issue.
Aug 2011 45000 mi	Replaced right front CV boot.
Oct 2011 45000 mi	Engine light was flashing. Timing belt was found to be cracked. Suspension bars had dried bushings. Costs for repairs were too much. I traded in vehicle.

Audi A6 in Georgia, United States Oct 2010 - Mar 2016
Dec 2010 56000 mi US $200	Trunk did not lock due to a broken part in trunk locking mechanism. Had to replace the mechanism. Works fine now.
Dec 2012 71000 mi US $638	Removed and replaced: - Rear pads and rotor, and; - driver-side outer CV boot. Also cleaned up the areas

Audi A6 in Indiana, United States Nov 2009 - Jun 2011
Dec 2009 61000 mi	2. Valve cover gasket needed to be replaced

Audi A6 in Pennsylvania, United States Aug 2009 - Aug 2009
Aug 2009 US $495	Left rear window regulator replaced, CPO warranty, $50 deductible. Alternator and battery replaced, CPO warranty. Also had tie rods replaced, PA state inspection, $445.

Audi A6 in New York, United States Nov 2009 - Mar 2010
Dec 2009 68000 mi US $60	My engine was misfiring, so I had it towed and all it needed was a new coil.

Audi A6 in Utah, United States Oct 2009 - Aug 2013
May 2010 65000 mi	transmission fluid leak, replaced gasket transmission fluid leak, replaced gasket
Feb 2013 87000 mi US $800	Replace right boot

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Audi A6 / S6 / RS6 in Colorado, United States Aug 2011 - Mar 2012
Oct 2011 123700 mi US $2600	Had to replace drc with coilovers.

Audi A6 / S6 / RS6 in Massachusetts, United States Jun 2010 - Jun 2011
Jul 2010 48000 mi US $500	ABS control module, ESP and ABS Lights on

Audi A6 / S6 / RS6 in North Carolina, United States Apr 2009 - Mar 2010
May 2009 113000 mi US $800	Replaced torque converter. Did work myself since Audi dealer wanted 2500+ to do it.

Audi A6 / S6 / RS6 in Pennsylvania, United States Oct 2010 - Jun 2011
Dec 2010 100000 mi US $500	FCC torque diverted clutch was stuck open. The torque converter needed replacing.

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Audi A6 / S6 / RS6 in California, United States Feb 2010 - Oct 2010
Apr 2010 105000 mi US $900	Timing belt replaced. Water pump (in concert with timing belt) Front passenger inner and outer cv boots.
Sep 2010 117000 mi US $270	fan control module burnt out, dealer diagnosed, part ordered, will self install.
Oct 2010 117000 mi	coolant reservoir was leaking.

Audi A6 / S6 / RS6 in California, United States Nov 2014 - Jun 2018
Jun 2015 107000 mi US $100	Valve cover gaskets replaced All vacuum tubing replaced
Oct 2017 121000 mi US $500	1 New fuel injector Water Pump Gates Racing timing belt L&R camshaft adjuster pads Valve cover gaskets Power steering pump

Audi A6 / S6 / RS6 in Minnesota, United States Aug 2015 - Apr 2016
Oct 2015 86300 mi US $1250	Control arms upper and lower, Trans fluid and filter, caliper rebuild, 3 Diff fluid change, Diff seals, 5 cv boots, 1 axle.
Apr 2016 90000 mi	transmission failing, car sold without repairing

Audi A6 / S6 / RS6 in Ontario, Canada Jul 2007 - Sep 2013
Jul 2007 57010 mi	Replaced printed circuit for shifter. Under warranty
Aug 2011 81600 mi C $553	Front upper control bushings torn. Replaced front upper control arm inner bushings. 4 hours labour.
Apr 2013 99600 mi C $2200	Gaskets Replaced primary cats
Aug 2013 102380 mi C $2600	Loss of power, smoke from exhaust. Intake Manifold Adjuster replaced. Timing Belts also replaced while in shop.

Audi A6 / S6 / RS6 in Colorado, United States Jun 2012 - Dec 2014
Jun 2014 207000 mi US $500	Replaced all worn rubber bushings and control arms on the front of the car due to mileage.

Audi A6 / S6 / RS6 in Florida, United States Apr 2010 - Jun 2011
May 2010 67000 mi US $7000	Vacuum check valve not covered by my Extended Warranty $430.00 Center Armrest Cover Broke....Second time since I've owned the Car...$180.00

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Audi A6 / S6 / RS6 in Massachusetts, United States Oct 2012 - Jun 2014
Nov 2012 112300 mi US $18	Brake light switch.

Audi A6 / S6 / RS6 in New York, United States Jul 2013 - Feb 2015
Jan 2014 US $200	Quirk sound while slowly passing bumps. Front left height sensor for headlight was replaced to fix a problem.
Feb 2015 95000 mi US $356	Rear differential seals were replaced because of leaking.

Audi A6 / S6 / RS6 in California, United States Aug 2014 - Oct 2014
Oct 2014 54000 mi US $120	Diagnose Check engine light; vaccum system problems Valve covers leaking oil, both sides Upper left Control Arm Bushing is worn Fuel consumption is averaging 11 mpg.

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Audi A6 / S6 / RS6 in Germany Apr 2017 - Dec 2019
Jan 2019 119660 mi €800	Leaking CV boot, front right wheel
Jul 2019 121520 mi €250	Key would not turn starter - required ignition housing replacement in steering wheel
Oct 2019 122140 mi €315	Fresh pads and rotors on all 4
Dec 2019 123380 mi €50	Turn signal relay failed

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Audi A6 / S6 / RS6 in California, United States Oct 2011 - Sep 2017
Aug 2015 145700 mi US $4300	Torque converter on transmission failed. Rebuild entire transmission. Auxiliary radiator leak.
Jan 2016 US $1200	AC Compressor failure. Replace AC compressor
May 2016 154400 mi US $1850	O2 sensor code and check engine light. Replace O2 sensors.

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Audi A6 / S6 / RS6 in Pennsylvania, United States Apr 2008 - May 2016
Oct 2008 50000 mi US $1400	I received a check engine light for coolant temperature too low. The shop replaced the coolant temp sensor earlier which did not fix the problem. The next solution was to replace the thermostat which was likely stuck open.
May 2009 54000 mi US $300	I noticed grease on my inner wheel surface when changing my winter wheels. Outer CV boot had split and put grease all over suspension/wheel on drivers side. Shop replaced outer CV boot.
Sep 2009 55000 mi US $15	I had to re-attach the rear-view mirror as it had become unglued from the windshield.
Nov 2009 57000 mi US $345	Passenger outer CV boot needed to be replaced after it split and lost all grease on inside of wheel.
Feb 2010 59000 mi US $225	ABS light came on. Replaced brake pedal switch.
Dec 2010 64000 mi US $1200	Cowl vents clogged with leaves caused rain water to drain into the car under the dashboard and flooded the interior of the car. Had to remove seats, dry carpet, check all electrical connections and reassemble.
May 2011 67000 mi US $100	Turn signals stopped working. Replaced hazard relay in dash with aftermarket parts.
Jul 2012 74300 mi US $145	Exhaust clamps broke and pipe became detached. Had to replace with new clamps.
Sep 2012 76000 mi US $900	Auxiliary water pump replaced which requires removal of intake manifold to access.
Jun 2013 81000 mi US $750	Engine misfiring due to faulty ignition coils. Replace 5 coils and 6 spark plugs. Valve cover seals leaking. Replaced all seals.
Jul 2013 81300 mi US $900	Coolant leak discovered while replacing valve cover gaskets. Required new water pump (2nd one in last 4 years.)
Sep 2014 90000 mi US $960	Front outer CV boot replaced due to crack
Oct 2014 90500 mi US $480	Crank Position Sensor failed leaving car unable to start. Required tow to repair shop.
Jul 2015 94300 mi US $1100	Exhaust rusted out at center resonator. Replaced resonater/x pipe.
Jan 2016 99000 mi US $1400	Front upper control arm bushings are worn out and need replaced.
May 2016 101000 mi US $1300	Front upper control arm bushings needed replaced.

Audi A6 / S6 / RS6 in Colorado, United States Jul 2008 - Sep 2012
Aug 2008 100000 mi US $800	Replace front psgr axle while in for Tranny output-shaft seal replace. CV boot (inner) torn.

Audi A6 / S6 / RS6 in Washington, United States Jun 2011 - Feb 2017
Jul 2011 109000 mi US $300	front wheel bearings replaced
Oct 2012 121300 mi US $400	front upper and lower control arm replacement
Sep 2013 133000 mi US $200	front pads worn unevenly, sliding pins weren't lubed, resurfaced with new pads radio reception gone
Mar 2014 137000 mi	comfort module fuse blew after screwing with non-working rear interior overhead light, possibly related to radio reception issues as fixing loose solder contacts in rear overhead light and replacing the fuse fixed that.
Sep 2015 153000 mi US $50	door lock actuator, hazard switch
May 2016 160000 mi US $230	alternator died, replaced alternator, good to go.
Jan 2017 169000 mi	door switch in driver door malfunctioned, had to repair microswitch.

Audi A6 / S6 / RS6 in Michigan, United States Nov 2010 - Apr 2016
Dec 2010 182000 mi US $1400	Replaced brake pads and rotors, emergency brake cables (last changed brakes at 105k)
Nov 2011 195000 mi US $160	Rear differential seals replaced.
Jan 2012 232300 mi US $2400	CEL codes for bad catalytic converters. Replaced both cats with non-oem parts and replaced all four O2 sensors.
Nov 2012 207700 mi US $87	Power steering whining. Replaced fluid. CEL for secondary air injection unit. Disconnected SAIU. CEL still sometimes lit for O2 sensors.
Dec 2012 211000 mi US $128	Replaced battery at 209127 miles
Jul 2013 216000 mi US $67	AC not working. Tried re-charge but it appears to be failed compressor. Owner elected not to repair as vehicle is driven mostly in the winter.
May 2014 229300 mi US $820	Car was starting hard and finally stalled when driving. Replaced fuel pump.
Dec 2014 232000 mi US $616	Left rear caliper failed, scoring the rotor. Replaced caliper, rear brake pads, and turned rotors.
Dec 2015 238000 mi US $120	Battery was 3+ years old and did not hold a chage. Note - the vehicle had been stored outside for 7 months and not driven.
Apr 2016 238000 mi	AC never repaired. Leaking turbos. Very loud power steering pump. Synchros starting to stick. Doors not always latched, but still ran solid.

Audi A6 / S6 / RS6 in Connecticut, United States May 2012 - Jul 2012
May 2012 94000 mi US $1300	Failed ABS module replaced

Audi A6 / S6 / RS6 in Ohio, United States May 2008 - Oct 2013
Apr 2010 57000 mi US $359	Replaced drive right front drive axle
Aug 2011 67500 mi US $1400	Cracked breather tube
Sep 2012 76000 mi US $1650	Rear conrol arms seized and needed to be replaced parking brake cables failed, needed to be replaced Front tie-rod seized needed to be loosened

Audi A6 / S6 / RS6 in Illinois, United States Jan 2011 - Jun 2018
Feb 2011 76000 mi US $380	replaced worn serpentine belt and tensioner. Tensioner was getting noisey
Apr 2011 77000 mi US $99	front lower aft drivers side control arm/ball joint was bad. I replaced it.
Jan 2012 87000 mi US $235	replaced the front right axle shaft, the old inner bearing was bad.
Aug 2012 92500 mi US $75	Replaced front lower forward control arm.
Sep 2012 93000 mi US $135	replaced right front lower forward control arm.
Nov 2013 103000 mi US $200	replaced both lower control arms on both sides of the front suspension and the sway bar links.
Oct 2015 124200 mi US $100	replaced front lower left forward control arm and left front axle.
Nov 2015 124600 mi US $25	replaced sway bar bushings
Jan 2017 125800 mi US $1500	timing belt and valve cover gasket and seal maintenance. there was some weeping in the valve cover gaskets/seal areas, but nothing serious...it was mostly preventative since i was already doing a comprehensive timing belt service on the front of the motor
Feb 2018 133000 mi US $100	Oil pressure sensor was bad...common problem for VW/Audi...so I replaced it and the oil level sensor as well.

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Audi A6 / S6 / RS6 in Maryland, United States Apr 2008 - Apr 2010
Jul 2008 79000 mi US $250	Torn outer CV boot on the passenger's side.
Mar 2009 88000 mi US $154	A knocking noise from the front of the engine was troubleshot and no trouble was found. Initially the t-belt tensioner and cam tensioner were suspected.
Jul 2009 95000 mi US $125	Center cluster pixels were fading out.
Feb 2010 103300 mi US $305	Bad Engine Cooling Temperature sensor and bad O2 sensor.
Apr 2010 105000 mi	Torque converter started slipping so the car was sold.

Audi A6 / S6 / RS6 in Colorado, United States Dec 2008 - Mar 2010
Feb 2009 97000 mi US $217	Right front axle.
Jun 2009 103000 mi US $65	flasher relay that is part of the hazard switch. so, whole hazard switch had to be replaced.

Audi A6 / S6 / RS6 in Georgia, United States Feb 2008 - Jul 2013
Apr 2008 47118 mi US $14	Rear Transfer Case seal replaced by owner. Cost only 14.00 to include seal and gear oil. Repair time approximately 2.5 hours
Dec 2008 52288 mi US $82	Valve Cover Gaskets replaced by owner. Cost $82 for both gaskets and a tube of black RTV sealant. Repair time approximately 5 hours.
Mar 2012 84000 mi US $120	Electric after-run coolant pump replaced after a colant leak from it was discovered.

Audi A6 / S6 / RS6 in Wisconsin, United States Aug 2008 - Nov 2015
Feb 2008 60000 mi	Rear motorized sun shade frame repaired under CPO and no cost.
Jun 2008 64000 mi US $50	Auxiliary water pump leak repaired under CPO.
Jul 2008 65500 mi US $50	All oil seals including valve cover, cam, and cam tensioners replaced due to leaks under CPO.
Aug 2009 81000 mi US $40	Noticed that the outer CV boot on the driver's side had split and covered the wheel with grease. I replaced the boot on that side and also the passenger's side as preventative maintenance.
Sep 2009 85000 mi US $325	At 82,000 miles it was finally time to replace all control arms, TREs, and swaybar links. Car was destroying the inside shoulder of the front driver's side tire. At 82,000 miles it was finally time to replace all control arms, TREs, and swaybar links. Car was destroying the inside shoulder of the front driver's side tire.
Oct 2009 83500 mi US $50	One motor mount replaced under CPO due to fluid leakage.
Nov 2009 87000 mi US $50	LCD in instrument cluster starting to lose pixels. Dealer replaced entire cluster under CPO.
Dec 2009 90000 mi US $50	The ESP and ABS ligts were coming on sporatically, so the brake light switch was replaced by dealer under CPO. Don't know entire cost, but I only paid the $50 deductible. They also fixed a rattling exhaust heat shield under the driver's seat. The ESP and ABS ligts were coming on sporatically, so the brake light switch was replaced by dealer under CPO. Don't know entire cost, but I only paid the $50 deductible. They also fixed a rattling exhaust heat shield at no charge.
Jun 2010 105000 mi US $250	Oil leak at the two seals on the back side of the driver's side cylinder head fixed. They resulted from a frozen PCV system back in December and problem was allowed to progress to the point it could be diagnosed.
Jul 2010 105800 mi US $230	Oil leak at the two seals on the back side of the driver's side cylinder head fixed. They resulted from a frozen PCV system back in December and problem was allowed to progress to the point it could be diagnosed.
May 2011 120000 mi US $240	Car was using oil due to plugged PCV hose system so it the hose system was replaced. During removal, the N75 valve was damaged, so it was replaced also since it frequently fails. PCV hose $180 at dealer, N75 valve used $60. A low speed clunking noise was attempted to be fixed by replacing badly worn cheap Chinese lower control arms, but the noise persists. Looking at the sway bar links as the culprit and they will be replaced soon. Car was using oil due to plugged PCV hose system so it the hose system was replaced. During removal, the N75 valve was damaged, so it was replaced also since it frequently fails. PCV hose $180 at dealer, N75 valve used $60.
Oct 2011 126000 mi	Front end shimmy was partly due to the tie rod ends being very loose. Some of the shimmy went away, but the rest is due to the lower rear control arms being bad now. All total, I will have replaced the lower front and rear CAs and TREs. Secondary Air Pump is not working in the cold weather and throwing codes. I unplugged the pump for now and will remove and rebuild in the spring. Common problem when the combi valve lets exhaust gas into the pump and it condenses & rusts.
Dec 2011 129000 mi US $55	All 4 of the upper control arms are junk. 40k miles on the aftermarket set. Now all 8 are new again and the steering is tight. Better off buying Meyle next time and getting 60-80k miles.
Jan 2012 97000 mi US $500	Thermostat and water pump from last timing belt job were leaking after 35k miles. Replaced them both and all other timing belt parts, along with all oil seals. Poor design that a thermostat job means removing the timing belt system.
Mar 2012 132000 mi US $60	Driver's side axle became loose, causing vibrations at highway speeds. Replaced entire axle. Partially solved problem. Will replace pass side in the future.
Jul 2012 135800 mi US $80	Bearing on driver's side was suspected to be causing vibration at highway speed, and was replaced. Although there was play, it did not solve the problem.
Oct 2012 140000 mi US $75	Engine mounts were past their prime and creating vibrations in the cab. One was good because it was only 75k miles old but the other was factory. Huge job to DIY, would recomend paying someone to do it.

Audi A6 / S6 / RS6 in North Carolina, United States - Nov 2007
Jan 2007 55000 mi US $265	Replace torn left front CV boot.
Aug 2007 69000 mi US $265	Replace torn right front CV boot.
Nov 2007 74000 mi US $250	Replace B1S1 Oxygen Sensor

Audi A6 / S6 / RS6 in Colorado, United States Jan 2012 - Jul 2012
Jun 2012 36000 mi US $120	Valve cover gaskets

Audi A6 / S6 / RS6 in Missouri, United States Jan 2016 - Dec 2017
Jan 2016 147000 mi US $650	Oil leaks

Audi A6 / S6 / RS6 in South Africa Jul 2011 - Nov 2012
Aug 2011 145080 mi	I had a jerking when you accelerate sometimes then I replaced the front engine mount
Sep 2012 165540 mi R 700	CV joints were replaced both lower control arms

Audi A6 / S6 / RS6 in Michigan, United States Jun 2010 - Jun 2017
Jun 2012 140000 mi US $2905	Had the torque converter replaced. ALso replaced were the n74 solenoid, n264 check valve, Venthose system (spider hose)
Oct 2012 145200 mi US $200	Replaced Windshield wiper motor and transmission(linkage) assembly. Also replaced the coolant expansion tank.
Dec 2012 149000 mi US $110	Secondary Air Injection pump failed. Had pump rebuilt for 95.00.
Feb 2013 152500 mi US $28	Replaced the Hazard relay
Apr 2013 155000 mi US $45	Replaced turn single stalk
Oct 2013 166700 mi US $1100	Replaced shocks and upper control arms.
Apr 2014 175800 mi US $150	Replaced front and rear shock mounts.
Jun 2014 178000 mi US $90	Replaced Secondary Air Injection pump and pipe
Jan 2015 196000 mi US $229	Alternator died
May 2015 200000 mi US $65	Passenger side CV boot split drying out the joint eventually leading to a failure.
Sep 2015 206000 mi US $1000	All control arms and tie rod ends were replaced. Including sway bar links.
Mar 2016 214000 mi US $3700	Transmission failed. No reverse and no forward gears. Total failure. Replacement needed.

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Audi A6 / S6 / RS6 in Queensland, Australia Jun 2010 - Jun 2018
Dec 2010 57040 mi	The windscreen washer was blocked. I contacted a dealer on my route. They fixed the problen in 40 minutes and did not charge. We werw given coffee and bisquits.
Jan 2012 69600 mi A $840	Blocked washer jets. One jet broken by a stone. Part needs to be ordered.
Aug 2012 64480 mi A $5300	Reverse warning inoperative. 2 half shaft boots Washer nozzle (stone damage), washer bottle (growing fur and blocking nozzles).
Sep 2012 65100 mi A $280	Reversing alarm speaker replaced. Bonnet (hood) strut replaced.
Aug 2013 69940 mi A $550	Warn bushes, leaking rocker cover, cracked fuel tank. All need to be replaced at next service.
Feb 2014 72000 mi A $5800	Replace cracked fuel tank (warranty) Replace lower front bushes Replace rocker gaskets Replace rat-eaten vac pipe Replace windscreen wipers Replace electronic engine mount Repair 3 buckled wheels Polish headlights
Aug 2014 73980 mi A $400	Replaced PCV valve. Tied off broken manifold actuator link to allow. Tied manifold barrel arm to idle position. Parts ridiculously expensive in Australia. sourcing parts in Europe. Care remains drivable.
Aug 2015 75220 mi A $400	Plastic vacuum manifold flap actuator linkage broken because of seized inlet manifold flaps. Flaps and and spindle cleaned and lubricated. New linkage manufactured. $400. Dealer said had to replace parts for $7000.
Sep 2016 77500 mi A $1500	Supply and replace original specification rear shock absorbers.
Jan 2017 71880 mi A $3000	Supply and fit front shock absorbers and locking bolt.
Jul 2017 84940 mi A $4000	Replaced leaking rocker covers. Replaced hood gas strut and trunk gas struts. Replaced leaking rear vision mirror.
Jun 2018 89900 mi A $50000	Worn out. Replaced. Siezed piston. Replace fuel pump. Car ran roughly and later would not start. Replace idler solenoid in gear shift assembly. Replaced front half shaft cv joint outer boots.

Audi A6 / S6 / RS6 in Georgia, United States Oct 2009 - Jun 2011
Oct 2009 126000 mi US $3250	Transmission rebuild
Nov 2009 129000 mi US $70	Replace ZFHP24A Transmission Replaced both xenon D2S headlight bulbs
Jun 2010 148000 mi US $1580	Leaking Water pump

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Audi A6 / S6 / RS6 in Arizona, United States Aug 2006 - Apr 2016
Oct 2006 17000 mi	Vibration @ 55mph and above. Dealer turned rotors and re-balanced wheels several times. Issue not resolved. Told that this was common for CVT.
Aug 2015 78000 mi US $1200	Engine and transmission mounts replaced.
Apr 2016 83000 mi	Discovered in January that it needs new CV boots, left and right both cracked. Estimate of $800. Also needs timing belt and water pump, $1,700.

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Audi A6 / S6 / RS6 in Kentucky, United States May 2008 - Mar 2010
Jun 2008 43000 mi	misfire in one cylinder. changes plugs and one coil pack, but didn't help

Audi A6 / S6 / RS6 in Ontario, Canada Feb 2016 - Aug 2016
Feb 2016 157480 mi C $760	alternator failed, replace with new one
Aug 2016 139500 mi	transmission failed and car can not accelerate

Audi A6 / S6 / RS6 in Ontario, Canada Apr 2008 - Feb 2011
Jan 2008 94240 mi C $1300	Changed timing belt, thermostat, water pump
Apr 2008 96100 mi C $300	changed temp sending units
Jun 2008 99200 mi	Check engine light on repeatedly. Throwing an EVAP code. doesn't affect driveability, so will be repaired at a later date.
Oct 2008 104160 mi C $250	EVAP code , traced to purge valve, bought part just not installed
Nov 2008 104780 mi C $168	replaced evap purge valve.
Dec 2008 105400 mi C $280	Bracket for steering rack diagnosed as loose. Part is backordered from dealer.
Mar 2009 108500 mi C $350	Transmission noise repaired, loose component refastened. Noise is gone.
May 2010 119660 mi C $1500	Catalytic failure left side, replaced cat. Replaced O2 sensors as well. Right side sensors are intermittently responding.
Jan 2011 125860 mi	Torque converter failure, car not worth repairing. Will sell

Audi A6 / S6 / RS6 in Minnesota, United States May 2009 - Mar 2010
Aug 2009 44000 mi US $175	Bad coil pack cylinder #3

Audi A6 / S6 / RS6 in Washington, United States Sep 2010 - May 2015
Apr 2013 108000 mi US $100	cv boot replaced
Jun 2013 108000 mi US $200	Replace CV boot again!!!
Mar 2014 109000 mi US $900	Right side CV joint broke. Towed to repair shop and replace both front axles.
Jan 2015 125000 mi US $2500	Replaced water temp, oil temp, oil level sensors. Replaced abs computer and abs sensor.
Mar 2015 128000 mi US $800	Replaced parts

Audi A6 / S6 / RS6 in Texas, United States Jun 2016 - Jun 2017
Dec 2016 145000 mi US $3500	Transmission went into emergency mode on the highway and locked into 4th. Transmission required a rebuild, and CV joint was replaced at the same time.

Audi A6 / S6 / RS6 in Maryland, United States - Dec 2007
Jun 2004 15000 mi	Steering wheel mounted, stereo control button replaced under warranty.
Mar 2007 30000 mi US $250	Engine bay is vibrating. Dealership said something got loose. (Will add more info when I get papework)
Dec 2007 40000 mi US $400	CV Boots torn on both sides. Usually a 80k mile item.

Audi A6 / S6 / RS6 in Washington, United States Jan 2009 - Nov 2013
Feb 2011 56000 mi US $600	CV Boots
Nov 2013 71000 mi	the torque convertor starting throwing a code. It was going to be $3500 to repair. We traded the car in.

Audi A6 / S6 / RS6 in Indiana, United States Nov 2009 - Jun 2011
Dec 2009 63000 mi	Replaced 5 bad coil packs on Audi A6 3.0 Now exhaust extremely hot glowing bright red at night melting rear bumper cover near exhaust tips Service engine lite flashing rapidly poor fuel economy less than 8.5 miles gal. dealer said working in spec. Car leaking expensive fuel on the ground if filled pas 3/4 tank of fuel was told they al do that from expansion.I worry about my wife driving with red hot exhaust and fuel spilling out with kids in car
Jan 2010 64000 mi US $350	leaking fuel tank was told this is normal if tank filled past 34 Xenon igniters both failed and blew fuses for tailamps and transmision locked up in park when I got home will not go into gear. Car is now unusuable. This happened after I closed the trunk putting groceries in car. Had to drive home with no lighting.
Feb 2010 65300 mi	4 more coil pack failures. Replaced and now runs, but CEL now on all the time.
Mar 2010 72000 mi US $55	Rear Brake pads ratttling terribly, license plate frame rotted and fell off. New Audi plate holder cost me $55.

Audi A6 / S6 / RS6 in New York, United States Jan 2012 - Jun 2012
Feb 2012 87200 mi US $300	CV half-shafts replaced
Jun 2012 88000 mi	Transfer case output tail and fore seals broken. Rear differential seal broken.

Audi A6 / S6 / RS6 in Quebec, Canada Sep 2011 - May 2013
Nov 2011 71920 mi C $300	front right wheel bearing
Dec 2012 73780 mi C $60	exhaust, a joint was loose between the two extremities just replace the joint.

Audi A6 / S6 / RS6 in New York, United States Dec 2005 - Nov 2009
Jan 2005 50000 mi US $50	have replaced 4 bad coils under warranty (Price is warranty deductible) date and mileage is sort of middle range- done over period of 2.5 yrs
Jan 2009 84000 mi US $1264	Valve cover gasket blew- serious oil leak- towed to shop- covered under cpo..There was NO indication on oil pressure or temp guage... Coolent temp sensor went at the same time, so there was no indication had overheated! (I know it was at that time because engine never indicated that it warmed up after 25 mile ride... Timing belt, water pump, tensioner pulley. Dealer reported maint. sched had been reduced to 70000 miles because of failures at previous 105000 suggested interval-He led me to believe that CPO would not cover the 105K interval.
Feb 2009 86000 mi US $53	Check engine light-dealer said code indicated bad cat-but that some vacuum hoses damaged MAY be problem-replaced hoses under CPO and reset light-also suggested injector and throttle body cleaning- (done in following month) light not back on yet.
Mar 2009 87000 mi	Front wheel bearings replaced
Apr 2009 89000 mi	replaced head unit- display showed "error 3" check engine light code P0441-002, evap emission control system incorrect flow lower limit exceeded
Aug 2009 94000 mi US $278	replaced front outer CV boot

Audi A6 / S6 / RS6 in New York, United States Oct 2009 - Aug 2018
Oct 2010 83000 mi US $120	replaced the drivers front O2 sensor. had a CEL and couldn't get it inspected until fixed.
Dec 2011 93000 mi US $75	replaced snub mount and two front control arms, wear items
Dec 2015 125000 mi US $50	Had to replace the valley pan gasket. was leaking
Nov 2016 132100 mi	Exhaust repaired
Nov 2017 140000 mi	exhaust flex pipes
Dec 2017 140000 mi US $400	Crank seal and timing belt replacment

Audi A6 / S6 / RS6 in South Dakota, United States Feb 2009 - Jul 2012
Mar 2009 91000 mi US $1400	Huge oil leak, stuck/frozen crankcase vent valve (told because I didn't drive the car enough to heat up the valve area). Oil leaked out of front of pass side cam cover. With engine apart, had timing belt, water pump, rollers, serp belt replaced add $1200 Serp belt roller bearing failed one week later. Car inoperable. Had to tow 90 miles at my expense for warranty repair.
Mar 2010 100000 mi US $200	Serpentine belt tensioners replaced with new belt Feb 09. Failed 1 week later with immobility. Replaced under warranty. Serp belt "fell off" Mar 10, with tensioner missing or defective. Non dealer shop placed 10mm bolt, saw belt fragments on flywheel
Mar 2011 113000 mi US $985	Transaxle oil pan gasket leak, output shaft bearing seal leak, outer CV boot leak, odometer sensor ring defect
Jan 2012 114000 mi US $930	Torn CV boot Power steering lines leaking, noise with steering
Jun 2012 116000 mi US $768	Pre-cat oxygen sensor Air bag light on

Audi A6 / S6 / RS6 in Connecticut, United States May 2014 - Nov 2014
Jul 2014 148000 mi	Misfire in cylinder number 2. Blown head gasket. Torque converter needs to be replaced.
Sep 2014 153000 mi US $700	Front left axle leaking, replace assembly.
Nov 2014 153000 mi	Oil pressure warning light goes on intermittently. Oil level is OK.

Audi A6 / S6 / RS6 in Arizona, United States May 2009 - Mar 2010
Jun 2009 70000 mi US $250	Cylinders 1 & 4 ignition coils went bad. I tried replacing spark plugs first, but did not cure the problem.

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Audi A6 / S6 in Massachusetts, United States Apr 2015 - Apr 2015
Apr 2015 173000 mi US $1300	Replacement of the PLASTIC pipe that carries coolant to the rear of the engine.

Audi A6 / S6 in British Columbia, Canada Jul 2009 - Mar 2010
Aug 2009 86800 mi	Car overheated took to the Garage - they checked computer found no problem, went on 2 hour high speed trip red, warning overheating came on had car towed 150KM, thermostat replaced.

Audi A6 / S6 in Pennsylvania, United States Nov 2013 - Nov 2013
Nov 2013 133000 mi US $5000	Transmission slips. Transmission was replaced.

Audi A6 / S6 in California, United States Dec 2011 - Jan 2012
Jan 2012 US $400	Front bearings are VERY noisy. Repair attempted last year (DIY) with aftermarket bearing brand:FAG. Seems no good. quieter, but still noisy. Purchased genuine Audi bearings, and will install soon (myself). Check Engine Light and OBD2 code P0421. I will replace all 4, O2 sensors. Supposedly, Bosch states the service life is 100k miles. Mine have 150k on them. Hoping for no engine light, and better mpg!

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Audi A6 / S6 in Florida, United States Oct 2007 - Mar 2012
Nov 2007 48000 mi US $200	Mass air sensor problem. Audi paid for the part, I paid for the installation
Dec 2007 48000 mi	Brake light came on again during hard high speed left turn. Originally a problem in August the dealer looked at it and said fluid low. Topped up fluid again problem has not reoccured
Mar 2008 51000 mi US $130	CV boot split and was replaced.
Jun 2008 52000 mi	Door pocket flaps were broken on both front doors. Repaired by dealership at no cost
Nov 2008 53000 mi US $1700	Thermostat went so also replaced water pump, timing belt, serpentine belt, tension rollers, expansion tank which had cracked.
Jan 2010 58000 mi US $100	left front rubber front drive shaft boot replaced
Jun 2010 59000 mi US $1600	Right front CV boot replaced and seal on quattro differential to the rear of transmission. Noticed leaking oil.
May 2011 65300 mi	Right front passenger window would not go up all the way. Lubricated tracks
Dec 2011 67000 mi US $500	Replacesd valve cover gasket which was leaking

Audi A6 / S6 in California, United States Sep 2010 - Jul 2012
Jan 2011 95000 mi US $155	Turn signals functioning intermittently. Diagnosed problem online (AudiWorld.com) as failed turn signal relay; shop confirmed relay failure; replaced relay and corrected problem.
Nov 2011 104000 mi US $1300	Battery light warned on Sunday; drove car to shop on Monday but didn't make it. Alternator gave out. Required new alternator and battery. Torn CV boot replaced.

Audi A6 / S6 in Washington, United States Jun 2008 - Sep 2012
Mar 2009 85000 mi US $750	Bad thermostat causing overheat. Due to design, work ultimately included replacing timing belt, waterpump, serpentine belt, and associated rollers and tensioners. Torn and cracked outer cv boot, replaced CV joint on torn side, replaced boot on cracked side.
Apr 2009 86000 mi US $200	Replace front control arms due to age/wear of suspension bushings
May 2009 86000 mi US $6	cracked vacuum lines for Secondary Air Injection system caused CEL to come on
Sep 2010 102000 mi	Failing clutch pack in automatic transmission. On hold while we research solution options (shop repair, self repair, convert to manual transmission)
Mar 2011 105000 mi US $4000	Automatic transmission clutch basket failure
Jul 2012 113200 mi US $4100	Defective electric fans and controller, stuck thermostat

Audi A6 / S6 in Florida, United States Oct 2009 - Sep 2013
Aug 2010 65000 mi US $300	Car was leaking water during heavy rain from cabin air intake into the passenger footwell of car. Previous dealer main had replaced battery incorrectly after doing main and pinched the intake seal allowing water through the air intake.
Sep 2010 71000 mi US $2200	Thermostat stuck in closed position and car overheated. Temperature sensor broke. As front end required removal for thermostat replacement, I replaced timing belt and 80K service at same time.
May 2012 88800 mi US $2700	Right axle broke. Noticed noise before catastrophic failure. I had to rent a car for days that repair took. Ordered new Axle from Raxles as Audi of America was out of Axles.
Feb 2013 95800 mi US $2600	Engine oil cooler pipe broke. Required engine to be lowered after talking mech out of pulling engine. Talked mech down from 35 hours of labor to 16. Piece is a 1 inch piece of plastic. Probably costs cents to make.

Audi A6 / S6 in Minnesota, United States Mar 2003 - Jun 2022
Jun 2011 130000 mi US $680	Both front drive axle outer boots torn, discovered when I was changing oil. Brought to shop and replaced with new complete axel shafts.
Aug 2011 131700 mi US $33	replaced right front outer tie rod end, DIY, less than an hour, part bought on internet for $33
Jun 2012 139000 mi US $25	Water Temp Sensor failed, replaced myself.
Nov 2012 145300 mi US $700	Upper Control arms, tie rods,front brakes
Jun 2013 148000 mi US $300	Right Rear wheel bearing
Jul 2013 148800 mi US $1000	Bad AC Clutch, replaced with new compressor, drier etc and replace comfort control module.
Dec 2013 155000 mi US $160	Cooling system return line broke at fitting behind reservoir
Mar 2014 157000 mi US $520	Serpentine belt tensioner replaced.
May 2014 158000 mi US $59	Driver door latch cable broke.
Aug 2014 160100 mi	Replaced electric condenser cooling fan
Sep 2016 180000 mi	Normal brake job on all 4 with rotors and pads, Had a caliper with torn boot on right rear replaced, mechanic noted front rubber brake lines showing age crack, replaced both.

Audi A6 / S6 in Minnesota, United States Sep 2009 - Nov 2009
Nov 2009 110000 mi	Needed a new catalytic converter when sold.

Audi A6 / S6 in Oregon, United States Feb 2011 - Feb 2015
Sep 2011 124000 mi US $575	Oil leak near rear main seal. Resealed upper oil pan. Looks okay for now.
Jan 2012 US $875	replaced front oxygen sensors, $575 replaced leaking left side transzxle oil seal at drive axle, $300 flange. had noticed burning smell.
May 2013 144300 mi US $130	oil leak
Sep 2013 145000 mi US $600	Replacement

Audi A6 / S6 in District of Columbia, United States Oct 2009 - Dec 2010
Aug 2010 76900 mi US $350	Both mufflers replaced, one under Midas warranty.

Audi A6 / S6 in New Jersey, United States Jan 2007 - Jun 2018
Feb 2007 48000 mi US $50	Heated seat element replacement. Audi does nto provide the total cost, but it was large. I paid only $50 deductible
Mar 2007 49000 mi US $265	Torn CV boot replaced. Driveable but would have resulted in permanent damage to joint.
Jun 2007 50000 mi	Thermostat stuck - closed. Car was in danger of overheating. No price give, but this is a 5-7 hour job on a 4.2L audi. Covered under COP warranty. At the same time I paid to have the 60k timing belt service done (since the first 5-7 hours were covere
Oct 2007 53000 mi US $1100	Failing Tie Rod ends (both) and upper control arms (RF). Control arms possibly damaged by previous work - not sure. Also did alignment and preventative replacement of cracking CV joint boot.
Sep 2010 67000 mi US $150	clamps and tubing connecting cats to mufflers rusted away and was replaced with new.
Dec 2010 68000 mi US $300	Sun visor broke, Had to be replaced, as well as securing clip.
Jan 2011 70000 mi US $40	coolant temp sensor failed. I ordered parts, antifreeze, and did the job myself. 1+ hours work ( reported at zero cost) + $40 total parts.
Jun 2011 72000 mi US $511	right front wheel bearing making significant noise
Aug 2012 81700 mi US $800	Broken rear spring required replacement of set, alignment. At same time other components were replaced, bringing total to about $1700. Thee incremental costs were not included.
Nov 2014 93900 mi US $150	Power steering pump noise and aerated fluid. Found loose connection to fluid reservoir. replaced hose, tightened and check some other odd (unrelated) issues.
Jun 2015 96000 mi US $50	Not sure, not fully identified. Steering noise and mechanical "something" felt. Could be a ball joint but they all feel tight. Could be an obstruction, but none yet found. On the S6 the rack is buried. More to come
Jul 2015 96200 mi US $200	Diagnosed and replaced LF upper control arm.
Mar 2016 99000 mi US $15	Replaced worn out (torn) vacuum lines that caused a CEL.
Sep 2016 100000 mi US $100	corrected sticky piston, replaced piston seal, greased sliding rails. Also did rotors (IMO prematurely) but did not include time or cost per your instructions.
Feb 2018 105000 mi US $500	wheel bearings replaced, slight movement and noise detected
May 2018 105000 mi US $200	two upper control arms replaced. Slight movement and noise. Known to have short life.

Audi A6 / S6 in Colorado, United States Nov 2008 - Jul 2018
Dec 2008 76500 mi US $13	drivers side outer CV boot rupture. Replaced with mcquay-norris boot kit from local auto parts store for $13. owner replaced.
May 2009 79000 mi	bank 1 catalytic converter element became loose inside cat. housing bank 1 catalytic converter element became loose inside cat. housing - rattling while driving. Taken to dealer
Jun 2009 79000 mi	loose catalytic converter element on passengers side replaced under original factory warranty (10yr/100k miles for S6)
Dec 2009 80000 mi US $52	Micro switch inside drivers door latch broke - various systems in the car rely on knowing the door is open or closed. Replaced latch assy with used unit from '04 model A6
Aug 2010 82000 mi US $105	Electronic Stability Program (ESP) light on dash during/after anomalous anti-lock brake engagement at speeds 20-50MPH. System scan reports "Yaw Sensor - signal intermittent" or "Yaw Sensor - circuit failure. Yaw Sensor replaced, however, inside 25 miles the problem (ESP light in instrument cluster) was back. Vehicle owner investigated further and determined a faulty electrical connector/contact was to blame. The problem has not returned since.
Dec 2011 85000 mi	Original Battery replaced
Feb 2012 86000 mi US $809	OE dampers worn out; OE upper control arm bushings worn/torn. Torn bushings cause extreme inner shoulder of front tire to wear to "cord". Replaced dampers/springs with ST 90026; Replaced rubber bushings in upper control arms. Replace tire.
Aug 2012 88900 mi US $500	Replaced upper control arms with adjustable arms to correct front wheel camber to within mfg. specs.
Dec 2012 91000 mi US $87	Replaced the heated/auto dimming mirror glass - original unit leaked/turned brown.
Jan 2013 92000 mi	Removed, cleaned, lubricated the heater blower motor. These are known to make a bird chirp like noise over time. A little $0 TLC is all that's needed.
Apr 2016 99000 mi US $100	Secondary air injection pump bearing noisy/failed. Removed large fuse in ECU box. Manually set readiness
Apr 2018 104000 mi US $115	Duralast Gold battery, which was new 7 years ago, began showing signs of fading. Replaced with genuine Audi/VW battery 000-915-105-DJ

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Audi A6 / S6 in Tennessee, United States Sep 2010 - Mar 2011
Oct 2010 112000 mi US $180	two vacuum leaks: one hose and a 'nipple' broken off manifold changeover valve.
Nov 2010 113000 mi US $200	Electrical connectors on timing sensors were broken and had to be replaced. I 'believe' this damage occured at another repair shop. Dealer had to order parts - 3 days - and fix. Previous repair shop repaid me half of repair.

Audi A6 / S6 in Massachusetts, United States Apr 2008 - Oct 2009
Jul 2008 89000 mi US $1500	Catalytic converter
Apr 2009 103000 mi US $75	Brake light switch
Jun 2009 105000 mi US $85	Flasher relay
Oct 2009 106000 mi	Back window washer was getting no water.

Audi A6 / S6 in Minnesota, United States Jun 2013 - May 2014
Dec 2013 105000 mi US $500	Oil leak from head gaskets.
Feb 2014 106000 mi US $520	Oil leak from filler cap. Replaced Breather valve(PCV) and hoses.
May 2014 109000 mi	Bunch of misfires. O2 sensor light came on and stayed on.

Audi A6 / S6 in Washington, United States Mar 2011 - Feb 2012
Oct 2011 110000 mi US $1500	ABS Pump/Module failure and one wheel sensor. Parts replaced and warning code cleared.

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Audi A6 / S6 in Maryland, United States Feb 2010 - Jun 2018
May 2010 91000 mi US $400	Check Engine Light for rich air/fuel mixture. Was caused by a faulty part and associated sensors.
Sep 2010 94000 mi US $250	The belly pan, aka the "sound deadening shield" (as Audi calls it) underneath the engine fell off while driving at low speeds and had to be replaced. Changed out tires and oil while car was at shop.
May 2011 102000 mi US $850	Developed exhaust leak behind (after) cats. Entire cat-back (pipes, resonator, mufflers) had to be replaced.
Nov 2011 107800 mi US $1700	Leaking brake system, required replacing master cylinder and both rear calipers. Both front CV boots were torn/leaking and fixed by replacing both front axles (including new CV boots).
Jul 2012 116000 mi US $750	ABS light was on due to faulty sensors and bad control module. Diagnostic completed and sensors replaced by shop, but control module will be replaced by owner (self) in the near future.
Dec 2012 117000 mi US $1300	Failed water pump replaced along with full timing belt job (timing belt and all related seals).

Audi A6 / S6 in Massachusetts, United States Feb 2008 - Mar 2010
Mar 2008 86000 mi US $700	Torn CV boot. Had replaced opposite side 6 months ago, it was only a matter of time. Still waiting to see if clicking of CV's continue or if the boot was the only necessary repair.
Sep 2008 91000 mi US $300	CV joint needed to be replaced. Clicking in joint became excessive due to wear while boot was torn. Had to replace whole axle (half shaft) with joint and boot. Not cheap from the dealer. Also changed oil and filter while under the car and tightened susp.

Audi A6 / S6 in Massachusetts, United States Jan 2005 - Jun 2007
Nov 2005 55000 mi US $650	I had the gas tank fixed as a leak between the fuel pump and the tank occured. The tank's flange for the fuel pump (a solid piece of the tank) cracked and the whole tank needed to be replaced.
Oct 2006 69000 mi US $820	I had the timing belt done wich included the water pump and all assosciated belts and kits.
Mar 2007 73000 mi US $250	Unfortunetly a wheel bearing went. Needed to repair the wheel bearing and potentially the brakes. Will update it when I complete the repair.

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Audi A6 / S6 in Pennsylvania, United States Aug 2009 - Aug 2011
Jun 2011 99000 mi	Replaced front right CV Joint and boot.

Audi A6 / S6 in New Hampshire, United States Dec 2008 - Jul 2018
Aug 2008 88000 mi US $650	repair AC leak
Nov 2009 98000 mi US $2000	outer CV joint boots, right valve cover gasket,rear transfer case seal, Front brakes inc. rotors, service transmission, service final drive system.
Oct 2010 111000 mi	They had to get the directionals fixed, not sure if it was bulbs or a flasher but it was very inexpensive.
Jun 2012 129000 mi US $210	replace rear axle seals
Dec 2012 132000 mi US $25	windshield wiper stems/shafts were seized the lubricant had dried up and hardened. Wiper mechanism was removed cleaned and relubricated
Jun 2013 134000 mi US $400	center muffler in the exhaust had corroded so the hangers failed. I replaced the center muffler
Oct 2015 149000 mi US $600	Water pump starting to leak. So I went ahead and had the full timing belt service done, which includes new water pumps

Audi A6 / S6 in Florida, United States Oct 2009 - Mar 2010
Dec 2009 81000 mi US $488	Leaking cam seals. Brake booster hose replaced.

Audi A6 / S6 in Missouri, United States Feb 2008 - Sep 2012
Mar 2008 79000 mi	Broken headlight washer valve resulting in leaking washer fluid. Must refill once a week.
Mar 2009 95000 mi US $1200	Washer nozzle assembly. Water pump, tensioner.
Jun 2009 97000 mi US $250	1 bank of coils (3 coils) went out.
Jul 2011 122000 mi US $1280	Aux water pump failed due to crack. Replaced pump.
Jul 2012 135000 mi US $800	Aux fan broken and needed repair. Aux fan control module needed replacement.

Audi A6 / S6 in Utah, United States Nov 2013 - Mar 2015
Sep 2014 175000 mi US $35	Replaced speed sensor and changed transmission fluid.

Audi A6 / S6 in Pennsylvania, United States Feb 2011 - Sep 2013
Mar 2011 111000 mi US $300	Egt sensor replaced, air leak fixed Exhaust gas temperature sensor replaced, small vacum leak fixed
Jun 2011 115000 mi US $200	Clip broke off from one of the coolant lines, coolant leaked out everywhere, also had to replace thermostat (sensor)
Nov 2011 116800 mi US $1400	One of rollover nipples broke on gastank, had to replace gas tank. MAP sensor failed, bought online and replaced myself

Audi A6 / S6 in Ontario, Canada Oct 2014 - Jun 2017
Aug 2015 75000 mi	Shocks worn out replaced them and new sport springs
Feb 2016 79980 mi C $300	clock spring inside the steering wheel
Mar 2016 80600 mi C $90	Relay for the turn signals
Apr 2016 81300 mi C $600	Lower control arm bushings
Jun 2016 83700 mi C $400	Subframe bushings at the rear - caused the car to loose its control over the rear wheels ruined the tires as it took the alignment out dramatically.
Nov 2016 88080 mi C $200	Self level headlight control
May 2017 94860 mi C $2100	complete steering rack replaced - boots started filling and then leaking

Audi A6 / S6 in Texas, United States - Feb 2009
May 2007 55000 mi US $86	(DIY) broken seat belt latch necessitated replacement.
Dec 2008 75250 mi US $20	(DIY fix, parts only). Got "system too lean" codes and a check engine light, replaced numerous cracked and worn vacuum tubes around the engine.
Feb 2009 75500 mi US $100	$100 cost is for rebuilt parts only, since this was a DIY repair. The front/passenger CV boot disintegrated so I replaced the whole assembly. Looking into the cars history, the same position's boot failed at 40,000 miles.

Audi A6 / S6 in New York, United States Mar 2009 - Feb 2011
Apr 2009 93000 mi US $600	Auxillary water pump had to be replaced. Known problem on the 2.7t motors. Part costs 100 but the work to replace it was hefty. Quattroworld.com (EuroVWGTi)
May 2009 94000 mi US $300	One of the three 10mm bolts that hold the rear driver side timing belt cover, came loose. Little by little as it came out, it was shredding the timing belt. Half the belt was destroyed, while the cover rubbed on the rest of the belt. Belt almost broke.

Audi A6 / S6 in Washington, United States Jan 2007 - Dec 2018
Dec 2007 67000 mi US $235	Diagnosed as thermostat stuck open and small coolant leak from after-run pump. Quoted to include replacement of timing belt, water pump and other items pulled off during maintenance, but too rich for my blood today. After my spring bonus maybe...
May 2008 70000 mi US $950	After run coolant pump replaced. Replaced broken Alarm Sensor disable switch.
Jul 2008 71000 mi US $590	Main vacuum line was improperly reinstalled during last repair, which then broke while driving, resulting in rough idle and engine misfire.
Dec 2008 79000 mi US $1200	Both cats replaced due to faulty repair problem reported in July. CV Boot replaced Rear differential fluid leak - replaced seal and fluid.
Mar 2010 97000 mi US $1575	Replaced alternator and battery - complete electrical failure.
Dec 2010 105000 mi US $3300	Oil leaking from turbo seals
Sep 2011 115000 mi US $1345	Fixed leaky front differential Fan motor failed, fan was replaced
Dec 2011 120000 mi US $2950	Check engine light (Po741) came on at about 119,000. It was a malfunction in the torque converter. Replaced the unit - hard decision to make but I love the car. If not replaced, gas mileage would have stayed poor.
Apr 2012 126000 mi US $560	Gasket leak caused engine to misfire. replaced gasket, cleaned the oil from the cylinder and replaced 3 spark plugs.
Jun 2012 129000 mi US $1089	Car developed a whine in the drivetrain. Replaced CV boot on front left and wheel bearings on front right.
Aug 2015 138000 mi US $580	ABS and brake warning lights came on. First diagnosed as brake fluid pressure issue. Unit replaced - problem stayed. Eventually replaced the brake sensor - problem fixed.
Feb 2016 139300 mi US $1050	Replaced torn CV boot on front axle.
Feb 2017 141000 mi US $50	CIL on for a long time, asked to check it out. After 2 days to diagnose, smoke test found small leak in fuel tank vent. Requires tank removal to fix. More than value of car. Hope to reset CIL and pass emissions at next registration or byebye

Audi A6 / S6 in Wyoming, United States Sep 2010 - Mar 2011
Feb 2011 99000 mi	Have not fixed the light code. They are not moving like they should. We have not repaired yet because Audi dealership is 110 miles away.

Audi A6 / S6 in Illinois, United States Nov 2010 - Oct 2012
Feb 2011 43600 mi US $1250	Blown block plug drivers side. Oil gushed out. Plug blown on exteremly cold day, car not allowed to warm sufficiently prior to driving
Jan 2012 50000 mi US $300	axle grommet
Oct 2012 55000 mi US $400	mass airflow meter

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Audi A6 / S6 in Washington, United States Apr 2009 - Jun 2018
May 2009 66300 mi US $653	Oxygen sensor replacement. Secondary Air Injection system failed 5 hours after a previous service. Shop "fixed" the problem, but it then came back. I later troubleshot and fixed the problem myself. I gave the SAI system a good going over and found a vacuum line to the combi valves had become disconnected. Reconnected it and voila! No more error codes. Replace 2x front oxygen sensors.
Oct 2012 93700 mi US $550	Transmission fluid change. Driveshaft tail seal minor leak since March 2011, finally had it replaced.
Oct 2015 105000 mi US $985	Secondary air pump required replacement along with some associated vacuum lines.
Apr 2018 115000 mi US $1800	Coolant expansion tank cracked Replaced CV boots

Audi A6 / S6 in Washington, United States Apr 2008 - Apr 2015
Aug 2009 101000 mi US $1000	Rear Caliper became defective. Torn Boot. Replaced both calipers as well as rotor and pads.
Sep 2009 104000 mi US $415	Intake Manifold - Free Up IMT Valve Shafts, replaced worn vacuum hoses Replaced leaking expansion tank
Jun 2010 111000 mi US $1000	replaced O2 sensors and purge valve. Changed oil also
Nov 2010 116000 mi US $600	Oil cooler seals and transfer pipe. Parts $105 Labor $495
Feb 2011 119000 mi US $225	Tie Rod with Rubber Dampening replaced right side. Excessive play in old tie rod, but not bad for 120K Miles
May 2011 123000 mi US $1600	Replaced Four Upper Control Arms with Ball Joint and Bushings. Aligned afterwards
Aug 2011 127000 mi US $1278	Coolant sensor defective. Caused minor starting problem associated with computer thinking the engine was overheated.
Jun 2012 137000 mi US $1320	Right and Left Outer Tie Rods were worn with significant play Replaced Serpentine Belt
Dec 2013 154000 mi US $1800	Replaced all upper arms (4 front - 2 rear) I took the Audi in to a local brake shop to have my brakes checked, knowing that I was getting close to needing replaced. The calipers on the rear had failed which was causing that annoying grinding sound.
Jul 2014 158300 mi US $330	Replaced bad Secondary Air Pump pipe
Oct 2014 160200 mi US $150	Transmission is toast. slipping gears. only solution is new transmission
Apr 2015 161000 mi	Car sat all winter, then was sold with the transmission still slipping.

Audi A6 / S6 in Texas, United States Aug 2010 - Dec 2015
Jun 2011 126000 mi US $2000	Oil leak and small hole in oil pan. AC blower motor failed. Noisy power steering pump. Headlight switch nob broke.
Jun 2013 150000 mi US $350	Vacuum hose replaced to address check engine light.

Audi A6 / S6 in California, United States Nov 2008 - Jan 2013
May 2010 104000 mi US $624	replaced O2 sensor coolant container was cracked and replaced right front outer cv boot was cracked and replaced
Jul 2010 107000 mi US $1835	Thermostat failed - replaced tstat, water pump seeping - replaced timing belt, serpentine belt, water pump,
Jan 2012 124000 mi US $200	replaced seeping valve cover gaskets replaced turn signal relay
Jan 2013 140000 mi US $125	O2 sensor showed fault code. CEL went out and has not returned.

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Audi A6 / S6 in Denmark - Apr 2002
Apr 2002 105400 mi $260000	a lot !

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Audi A6 / S6 in Pennsylvania, United States Aug 2008 - Mar 2010
Aug 2009 105000 mi US $500	Passenger side axle replacement While on the rack for the axle repair, our (dependable, trusted) mechanic noticed our center differential seal leaking. We replaced seal, all 3 diffs fluids, transmission filter and new trans fluid. Mechanic damaged exhaust flex joint. Cut out and soldered new one in its place. I paid for the flex joint, and he comped me the labor.

Audi A6 / S6 in Maine, United States Jan 2007 - Jun 2018
Mar 2007 74000 mi US $1000	Steering pump replacement Vacuum lines in engine and cooling system leak.
Jun 2009 82000 mi US $253	Check engine light was on. Left catalytic converter has a problem.
Apr 2010 84000 mi US $1400	Engine suddenly seemed to be missing a cylinder, replaced one ignition coil. Replaced O2 sensor after shop said computer analysis found that one was bad.
Feb 2011 86000 mi US $150	CV boot was split
Feb 2013 98000 mi US $1600	Also repaired left front CV boot (this one was broken - not preventive).
Jan 2014 108500 mi US $50	Air leak into suction hose of power assist unit, made wailing noises in cold weather.
Sep 2015 117000 mi	Rear coils rusted out and to be replaced when part arrives next week.
Oct 2015 117700 mi	replaced rear coils, don't remember how much it cost
Mar 2016 124000 mi US $800	Replace Valve cover gasket. Also replaced transmission fluid
Dec 2016 130000 mi	Rear brake was rubbing, something was frozen.
Jun 2017 131000 mi US $2130	Broken cam gear. Replaced gear, timing and other belts, timing case housing and seals.

Audi A6 / S6 in Minnesota, United States Jan 2007 - Oct 2019
Oct 2008 72000 mi US $540	CV Joints (both) were shot and had to be replaced.
Sep 2012 99000 mi US $212	Engine temp sensor leak (coolant leak)
Mar 2013 102000 mi	Check engine light reset, pre-cat converter fault
Aug 2013 104000 mi	Check engine, suspect catalytic converters, reset check engine
Oct 2013 105000 mi US $2010	Catalytic Converter replaced (both)
Feb 2015 111000 mi US $171	Coolant temp sensor orang leak.
Apr 2015 112200 mi US $1100	Water pump went out, pushed into timing belt, replaced pump, idlers and timing belt
Nov 2015 114000 mi	replaced passenger side CV Joint/boot
Feb 2016 114000 mi US $420	Serpentine belt tensioner failed, had to replace tensioner and belt.
Aug 2016 116300 mi US $890	Replaced windshield washer fluid tank and hoses. replaced driver side headlight height adjustment control arm. was squeaking when going over bumps.

Audi A6 / S6 in Colorado, United States Aug 2008 - Apr 2011
Dec 2008 58000 mi US $3400	I had a vacuum leak in the brake system, 5 of 6 failing coil packs, and my lifters were damaged and rubbing. I got all this fixed along with my scheduled TB maintenance.
Apr 2010 88000 mi US $175	Coolant leak from a damaged hose. Hose replaced.
Jan 2011 102000 mi US $400	Replaced front left boot.

Audi A6 / S6 in California, United States Feb 2008 - Mar 2010
Aug 2008 56000 mi US $500	Had to replace outer CV boots, as they had cracked and were leaking grease. Apparently this is a common problem for A6 owners.
Mar 2009 63000 mi US $100	Thermostat failed in the locked position, causing the vehicle to overheat. Head gasket may be damaged.
Jun 2009 65000 mi US $100	Ignition coil failure, car ran REALLLLY rough. New coil installed on cyl #5 and ran smoothly. STILL have a weird smell going on...

Audi A6 / S6 in Florida, United States May 2009 - Jun 2011
Jun 2009 58648 mi	Purchased car. During test drive, the "oil" light came on. Turned out to be faulty sensor - obviously dealer covered - believe it was $29. I replaced oil, filter, gear oil & spark plugs for $115 (synthetic oils) to give myself solid baseline.
Sep 2009 61000 mi US $220	Replaced tranny snub mount (shot) Broke a 4" rubber power steering line in process & replaced/flushed that too. Trans range sensor was faulty. "17090 - trans range sensor (f125): Implausible signal P0706 - 003 - mech failure - intermittent - MIL on" was my code. $220 part AND pain to replace!! I created writeup on Audiforums.com - check DIY section.

Audi A6 / S6 in Illinois, United States Jan 2013 - Dec 2013
Feb 2013 128000 mi US $120	Oil Temperature Sensor / Oil Level Sensor in oil pan replaced. I no longer get the amber alert for the sensor, but my oil temp sensor no longer provides a temp reading.
Jul 2013 132500 mi US $300	All Wheel alignment that could not be corrected at regular tire shop. Sub-frame had to be adjusted for tru alignment.Discovered many other needed repairs that will be done LATER. Control arms, valve cover seals, motor mounts and snub.
Oct 2013 135000 mi US $2300	replaced all control arms, all tie-rods, front shocks, motor mounts (3). Valve cover seals.
Dec 2013 135000 mi	No oil temp reading.

Audi A6 / S6 in Oregon, United States Dec 2011 - Jun 2013
Feb 2012 58400 mi US $397	warning light came on, replaced the thermostat. warning light came on again, replaced the sensor
Oct 2012 63500 mi US $3200	engine oil leak that required pulling the timing belt cover and housing. replaced timing belt, required at 10 years anyway. broken engine mount and core support mount.

Audi A6 / S6 in New Jersey, United States Jul 2014 - Sep 2014
Jul 2014 83000 mi US $367	Economy button would stay on climate control module and blow hot air. A/C system diagnostics . A/C high pressure switch with seal replaced system recharged and filled with dye leak detection fluid. Engine light was on. Engine scan code came up as minor leak. car had a after market eval purge valve. It was no good and replace withe OEM one.
Aug 2014 83700 mi US $111	Engine light on, Code read camshaft position sensor left side.
Sep 2014 87000 mi US $650	CEL came back on . After smoke test it was determined that fuel tank was cracked. Tank replaced

Audi A6 / S6 in New York, United States Jan 2016 - Jan 2016
Jan 2016 128000 mi US $1600	MIL code came bad/malfunctioning TCM or torque converter. Total rebuild plus new torque converter

Audi A6 / S6 in North Carolina, United States Aug 2006 - Sep 2016
May 2006 37000 mi	Passenger side valve cover Gasket replaced under CPO
Jul 2006 41000 mi US $75	Replaced all spark plugs (self)
Aug 2006 42000 mi US $59	Drained and flushed complete Brake system.
Sep 2006 42000 mi US $110	Drained and flushed complete brake system by dealer including flushing the ABS module, to improve brake pedal modulation.
Feb 2007 52000 mi US $135	Both front CV boots torn, replaced by Audi of America under good will, I paid $135, dealer and AOA covered the rest.
Jun 2007 56000 mi US $50	Pulley seized causing water pump to blow. Water pump, timing belt and all related items covered under CPO.
Aug 2007 59000 mi US $50	A/C blower fan replaced under CPO.
Sep 2008 65000 mi	Cat Replaced by Dealer under warranty
Oct 2008 65500 mi US $46	Drained and flushed power steering fluid
Nov 2008 67000 mi US $75	Cat replaced
Feb 2010 79000 mi US $775	- Belt tensioner - Hazard switch - Window regulator
Mar 2011 93000 mi US $157	Camshaft damaged by a loose spring on driver side. Total damage $3290, warranty covered repair.
Aug 2011 98000 mi US $377	Brake booster repair Engine mounts Cam positioning sensor Purge valve clogged

Audi A6 / S6 in Oregon, United States Dec 2010 - Apr 2013
Oct 2012 169000 mi US $350	replaced CV joint boot.
Apr 2013 175000 mi	Radiator leak. did not fix.

Audi A6 / S6 in Oregon, United States Sep 2016 - Oct 2016
Sep 2016 110000 mi US $800	Emissions issues, air leaks. Attempted to repair by replacing air hoses but did not resolve.

Audi A6 / S6 in Virginia, United States Feb 2010 - Jul 2017
Apr 2010 90500 mi US $150	Check engine light on for about a week-code p1296 then started overheating. Dealer advised to replace waterpump, timing belt, etc for $1800. Towed to independent garage--said it was the coolant temp sensor, they fixed for $150 including the tow.
Aug 2010 93000 mi US $1000	Replace defective oxygen sensors Replace front axle
Sep 2011 103000 mi US $783	Water pump failure. Replaced water pump and timing belt. Also replaced front engine mount during repair.
May 2012 109100 mi US $128	Replace ignition coil
Sep 2012 112000 mi US $300	Replace rear wheel hub bearing
Sep 2014 133000 mi US $1900	Car jumped into neutral while driving, safe mode. Transaxle & Transfer Case replaced.
Apr 2015 139500 mi US $198	Replaced front drive axle

Audi A6 / S6 in Florida, United States Mar 2009 - Apr 2013
Nov 2009 113000 mi US $80	Ignition coil replaced less than a hundred miles after the timing belt repair.
Feb 2010 120700 mi US $250	replaced the 5 other ignition coils because of continued problems. Also put in a K&N air filter
Jul 2010 134700 mi	Blinkers have stopped working. Relay is suspected although hazards still work. Update: fixed soon after.

Audi A6 / S6 in Massachusetts, United States Jun 2009 - Sep 2012
Sep 2009 226000 mi US $160	car not firing on all cylinders, turned out to be a faulty coil. Replaced coil and solved problem
Nov 2009 228000 mi US $1100	Radiator leaked, car overheated, towed to shop and radiator replaced. While at shop check engine light on, cat codes - replaced mass air sensor. Then another coil needed replacing. Passed inspection, got sticker. Also got recall for faulty coils.
Jan 2010 231000 mi US $350	belt tensioner let go, belt no longer attached. Replaced belt and belt tensioner
Jul 2010 235300 mi US $110	oil level sensor failed - display came on noting sensor failure. Part replaced
Jan 2011 232800 mi US $420	check engine light; camshaft sensor faulty catalytic converters bad, cat cnvrtr still bad Coolant leaking. Coolant tank replaced, coolant leak shorted out camshaft sensor. Exhaust pipes leaked, welded on new pipes.
Mar 2011 247000 mi US $2200	Replaced catalytic converters, check engine light now off, car runs great.
Sep 2012 259000 mi	water pump let go; last replaced at 205,000 miles. Will not make the repair due to cost - traded car in on another vehicle.

Audi A6 / S6 in Tennessee, United States Feb 2010 - Aug 2010
Aug 2010 86000 mi	driveshaft seal leaking bad left cat

Audi A6 / S6 in Virginia, United States Nov 2009 - Nov 2013
Jan 2010 80000 mi US $1000	Replaced plugs and coils. mechanic said valve cover gaskets leaking and made sense to go ahead and repair even though may not have been that much of an issue at this point. Probably would have gotten worse if not corrected?
Jun 2012 100000 mi US $1500	Thrust and control arms in front
Oct 2012 102500 mi US $200	CV boot torn
Apr 2013 117700 mi US $220	Replace torn cv boot
May 2013 119000 mi US $520	Ignition housing broke where key is inserted. Car would not start and had to be towed to repair shop.
Oct 2013 124000 mi US $657	Misfiring badly. Needed new crankcase ventilation valve and plugs. Still runs a little rough at idle, but no codes!
Nov 2013 124000 mi	Misfire returned a few weeks later. Mechanic suggested ditching it.

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Audi A6 / S6 in California, United States Jan 2007 - Mar 2010
May 2007 48000 mi US $160	DS outer CV boot leak... replace.
Oct 2007 50000 mi US $195	Expansion coolant tank cracked and coolant leaked.

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Audi A6 / S6 in Nevada, United States Feb 2007 - Mar 2010
Jun 2007 64000 mi US $300	Knock sensor and Air pump for secondary air went out. I buy parts wholesale so the dollar value is low.
Feb 2008 74000 mi US $300	Replaced upper control arms due to vibration.

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Audi A6 / S6 in Texas, United States Apr 2012 - May 2012
May 2012 185000 mi US $1000	Fuel Pump went out and needed to be replace or car will not start.

Audi A6 / S6 in Connecticut, United States Aug 2008 - Mar 2010
Sep 2008 73000 mi US $700	Upper and lower control arms.
Mar 2009 78000 mi US $600	Secondary water pump. LCD in cluster. Torn boot on turbo duct.
Jun 2009 81000 mi US $350	Failed Bank 1 EGT sensor

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Audi A6 in Missouri, United States Aug 2010 - Dec 2010
Sep 2010 145000 mi US $3000	oil cooler radiator leak valve camshaft tensioner code...did not fix yet
Dec 2010 150000 mi US $500	low oil pressure light came on....engine not fixable, deceased at 160,000miles

Audi A6 in Connecticut, United States Nov 2010 - Jun 2011
Dec 2010 164000 mi	Car currently drivable but needs the following repairs: cat converter, torque converter, rear main seal, driver's heated seat. Car has 164,000 miles, repair costs would be north of $4,000 so I am driving into the ground. Engine runs great.

Audi A6 in Pennsylvania, United States Feb 2012 - Mar 2012
Mar 2012 170000 mi US $800	Changed the Oxygen sensor, cost just under 800 dollars.

Audi A6 in Illinois, United States May 2007 - Mar 2010
Jun 2007 62000 mi US $650	left control arm and left cv boot

Audi A6 in Illinois, United States Sep 2010 - Dec 2011
Oct 2010 199000 mi US $600	replaced oe struts at all for wheels, also took it to a shop for an alignment. only problem i had with the shop was i had to supply a tool of my own to perform the job.
Dec 2011 218000 mi	had the trans rebuilt in april now it did not hold up. it is back at the shop that did for warrenty repair. the coolant reservoir tank started to leak

Audi A6 in Michigan, United States - Mar 2010
Sep 2006 61800 mi US $278	Bad ABS sensor in RR, had to replace bearing to correct
Nov 2006 63694 mi US $584	Repl rack and pinion asy, steering
Nov 2007 74960 mi US $335	Replace both front wheel bearings
Jul 2009 91882 mi US $583	Repl a/c compressor
Mar 2010 99381 mi US $717	repl both mufflers Repl cat. converter, scanned for error codes repl intake manifold damaged by overheating due to clogged cat converter

Audi A6 in Michigan, United States Nov 2007 - Mar 2010
Dec 2007 93000 mi US $800	Turbos went out. Also got timing belt replaced. Dealer also replaced rear window switches (also out). Dealer also replaced instrument cluster (faded).

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Audi A6 in Great Britain Mar 2011 - Mar 2016
Jul 2011 153000 mi £120	Replaced split CV joint boots
Apr 2015 180000 mi £40	Broken scuttle on bottom of windscreen. Caused when a windscreen was replaced under insurance cover.
Jan 2016 161200 mi £1400	Strut top mounts
Mar 2016 187000 mi £280	tie rods worn

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Audi A6 in California, United States Jun 2009 - Mar 2011
Jul 2009 83000 mi US $50	Turn / hazard signal relay failed.
Sep 2009 86000 mi US $760	Water pump leak.
Dec 2010 98000 mi US $1300	Waterpump and thermostat leaking due to low quality parts of the previous timing belt job.

Audi A6 in Massachusetts, United States Aug 2011 - Jan 2013
Oct 2012 90700 mi US $400	Windshield washer pump and controller replaced. Also a temperature sensor was replaced.

Audi A6 in California, United States Jul 2008 - Nov 2012
Aug 2008 90000 mi US $50	Reflash for ECU... Oxygen sensor reading too high. Replaced faulty coolant temperature sensor.
Oct 2008 93000 mi US $350	Coolant hose to the throttle body was broken. Both feed and return lines replaced.
Dec 2009 107000 mi US $1100	Two of the four oxygen sensors were bad, and the other two were performing substandard. Replaced all four oxygen sensors.
Apr 2011 125000 mi US $150	Coolant expansion tank cap replaced. It was leaking coolant under pressurized condition.
Jun 2011 125000 mi US $300	CV boot failed. Also replaced the transmission output seal on the passenger side.
Oct 2011 135500 mi US $50	O-ring for the coolant temperature sensor failed.
Oct 2012 146000 mi US $550	Alternator went out

Audi A6 in Maine, United States Jan 2007 - Oct 2014
Mar 2007 85000 mi US $2000	Steering rack developed fluid leak and needed to be replaced, as did steering sensor. Torn CV boot needed to be replaced.
Nov 2007 95000 mi	Found and replaced broken coolant jug during routine timing belt/water pump replacement.
Jan 2009 108000 mi US $250	Valve gaskets were leaking, dripping oil onto manifold.
Apr 2009 113000 mi US $1536	Replace Air Bag control module
Jun 2009 114000 mi US $419	Transmission output seal was leaking.
Feb 2011 128000 mi US $200	Power window not working properly and door not closing properly
Sep 2011 134000 mi US $560	Replace strut assembly
Oct 2011 134300 mi US $359	cam tensioner gasket and valve cover gasket to fix oil leak
Jul 2012 141700 mi US $200	rusty muffler
Feb 2014 157000 mi US $900	Coils rusted out

Audi A6 in Georgia, United States Jan 2009 - Oct 2013
May 2009 41000 mi US $500	Both front window regulators. 1 replaced, 1 repaired.
Sep 2012 79000 mi US $300	Thermostat
Apr 2013 84300 mi US $540	Window regulator

Audi A6 in Alabama, United States May 2014 - Jul 2015
Jun 2014 125000 mi US $300	replaced driver side lower control arm and passenger side outer CV boot. Replaced all Vac. lines and cleared p0441 code.
Jul 2014 125800 mi US $20	Replaced fuse in back of symphony radio. The removal tools (4) did not release the dual din radio. I broke the front button/display pannel off, then was able to pull the rest of the radio. Re-installed and now works fine.

Audi A6 in New Hampshire, United States Nov 2012 - Apr 2013
Dec 2012 116000 mi US $1159	Thermostat, O2 sensor, replaced serpentine belt, and new plugs n wires,
Feb 2013 118900 mi US $680	Fuel Pump had to be replaced. Also Antifreeze fill tank had to be replaced as well as the moldy side mirrors.

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Audi A6 in New Jersey, United States Aug 2007 - Nov 2021
Oct 2007 73000 mi US $90	R/R driver side CV Boot
Jan 2008 79000 mi US $5000	Timing belt, t-stat, tensioner, pulley, aux water pump, cam seals, cam tensioner gaskets, coolant temp sensor, clutch, pressure plate, flywheel, snub mount, Dahlbach chip.
Sep 2008 85000 mi US $40	Minor flat spots under acceleration. Replaced fuel filter and washers. Loss of coolant. Fixed by replacing expansion tank cap.
Dec 2008 96000 mi	Fixed sunroof drain leak, which was causing headliner and trim water stains. Added hose clamps to hose connection on sunroof tray.
Jun 2009 105000 mi US $35	Replaced front tie rod ends.
Jan 2010 122000 mi US $230	Replaced driver's door locking mechanism, due to faulty microswitch that did not turn on door open signal.
Feb 2010 123000 mi US $160	Replaced center console armrest and cupholder Replaced passenger side front CV Joint Boot.
Nov 2010 135000 mi US $1000	leaky water pump. Replaced timing belt,water pump thermostat, various rollers and tensioners. about 55k on the timing belt, etc. A bit early, but leak justified the repair. Serpentine belt also.
May 2011 142000 mi US $300	Passenger side pre-cat O2 sensor replaced
Jun 2011 146000 mi US $800	Replaced engine/motor mounts.
Oct 2011 147200 mi	rear driver side airbag short to ground. Airbag replaced.
Feb 2012 153200 mi US $80	Oil temp and level sensor failed. Replaced sensor. Replaced leaking coolant expansion tank. Noticed the coolant leak when I was replacing the oil temp sensor a week earlier.
Jun 2012 154000 mi US $710	Fuel pump failed
Jul 2012 158000 mi US $197	replaced 2 spark coils and left bank ignition control module
Sep 2012 161000 mi	Airbag intermittent short to ground
Dec 2012 162000 mi US $5	Coolant. Fixed with a bottle of Bar's Leak.
Jul 2013 172000 mi US $1700	airbag light on. fixed by replacing rear seat driver side airbag replaced bank 1 pre cat O2 sensor replaced brake light switch and light bulb Coolant leak. fixed by adjusting hose clamp
Aug 2013 172700 mi US $2100	replaced water pump
Sep 2013 173000 mi US $20	Intermittent P0421 code for warm up cat inefficiency became a daily chore to clear. Inserted extender for Bank 1 post cat O2 sensor and solved the problem.
Feb 2014 180000 mi US $300	Needed new MAF sensor and ignition module
Jun 2014 185000 mi US $5	plastic coolant hose tee broke and was replaced with a brass tee.
Mar 2015 202000 mi US $50	Replaced passenger side front CVJ boot.
Aug 2015 212000 mi US $100	Lack of full turbo boost at WOT. Throttle body boot replaced due to leak under clamp. Replaced both diverter valves that had leaking diaphragms. Replaced vacuum hose to fuel pressure regulator. Replaced spark plugs.
Mar 2016 225000 mi US $120	replaced 2 spark coils
May 2016 230000 mi US $100	oil leaks fixed by replacing valve cover gaskets and cam chain tensioner gaskets/seals.
Nov 2017 268000 mi US $700	Replaced control arms and front shocks. Driver side front shock failed. Did both shocks and control arms and tie rod ends while the patient was open.
Dec 2017 268000 mi US $2	Replaced failed hose clamp on passenger side turbo hose. PITA to access clamp through wheel well. Hose hidden by frame cross member. Fixed boost leak that has been there for over a year.
Jun 2018 277000 mi US $3000	Clutch slave cylinder started leaking and clutch would not stay disengaged with pedal. Dealer tried new slave, but it couldn't disengage clutch, which was very stiff. Replaced clutch disk and pressure plate along with slave cylinder. Back on road.
Jul 2018 277000 mi US $45	MIL on. Cylinder 4 misfire. Replaced spark coil.

Audi A6 in New Jersey, United States Jun 2014 - Apr 2016
Apr 2015 107000 mi US $1000	Replaced all control arms, tie rods, rebuilt two drive shafts, replace one caliper, resurfaced all 4 rotors and replaced 4 sets of brake pads. 4 new bridgestone tires from Costco and an alignment from local shop. All done by myself.
Apr 2016 111000 mi US $180	The dash LED display pixels were bad since 2012, now I found out that the display can be replaced instead of replacing the entire cluster for $150 + shipping, it is no brainier.

Audi A6 in Illinois, United States Nov 2010 - Mar 2012
Dec 2010 102000 mi US $350	Replaced worn outer tie rod ends causing unusual tire wear notices during annual change to snow tires. Replacement also required wheel alignment.

Audi A6 in Tennessee, United States Mar 2011 - Mar 2012
Oct 2011 111500 mi US $300	vacuum hose

Audi A6 in Pennsylvania, United States Sep 2008 - Dec 2010
Oct 2008 84000 mi US $2133	Battery indicator lit which turned out to be a bad alternator. Occurred 150 miles from home and dealer gouged me while remaining professional and pleasant. While on the lift for the alternator (and battery) replacement, mechanic noticed a torn CV boot (so they say). While on the lift getting problems 1 and 2 resolved, mechanic claims that cooling system was also leaking and needed $1,100 in non-descript repairs. I refused this having no prior symptoms. No coolant problem has emerged since (1,000 miles)!!
Jan 2009 89000 mi US $1200	Self-dimming LCD interior mirror failed and fluid drained out, rendering self-dimming feature inoperable. Shop replaced. Climate control blower motor had begun making noise but still operated. I suspected failing bearings ands eventual complete seizure so I had it replaced. Auxiliary electric coolant pump was found leaking during timing belt replacement and so was replaced. Also replaced all idler rollers , tensioner and main water pump during t-belt service, which is a regular maintenance item. Shop broke the windshield while trying to replace the mirror, so they replaced it at their cost (after I argued with them about 'sharing' the cost!). An oil smell (faint) could be detected inside car and while at the shop for the other service, they found both valve covers leaking. Both gaskets were replaced. While in the shop for other service, mechanic also noticed that plastic coolant tank was leaking and replaced.
May 2010 103000 mi	Steering became less precise and rhythmic noise emanated from front wheel(s) which began to grow louder and was then accompanied by an out-of-balance sensation. Garage replaced lower control arms/bushings and re-aligned front end.. Shortly after replacement of lower control arms, car manifest a speed dependent vibration. Brought back to same shop who claimed they could not 'feel' or diagnose anything wrong with car.
Jun 2010 103000 mi	Took car to a different shop for vibration problem. Had to accompany mechanic who then agreed he could feel vibration. Recommended new tires so I replaced all four despite two being ok. Vibration improved but was not eliminated. Decided to bring to actual Audi dealer instead of independent shop. Dealer agreed problem existed but pronounced the drivetrain sound and blamed aftermarket wheels (on car when bought 4 years prior!) Am at a loss now.....
Sep 2010 108000 mi US $360	Car is a twin turbo. The 'Y' horn which directs airflow to both sides of the engine had cracked at a sensor junction and had created an air leak. Also replaced spark plugs.
Oct 2010 108000 mi US $165	Persistent driveline vibration and hard throttle hickup. Fifth shop couldn't pinpoint solution and thinks as much as $8,000 would be required to fix, including turbo replacements (2), cat converter and driveshaft!! Am going to sell car!!

Audi A6 in Massachusetts, United States Oct 2007 - Sep 2013
Nov 2007 90000 mi US $2700	Clutch failure. Flywheel was also diagnosed as needing replacement. Not a catastrophic event...it was fine one day and failed the next morning upon startup. The pressure plate apparently was the culprit.
Sep 2008 102000 mi US $404	Auxiliary water pump leaking. Common failure with this engine.
Oct 2008 105000 mi US $1250	Defective rear view mirror replaced.
Dec 2008 106000 mi US $30	Coolant leak at temperature sender. Sender and O-ring replaced
Mar 2009 111000 mi US $35	Temperature sensor and O ring replaced due to coolant leak.
Dec 2009 123000 mi	Vacuum hose split causing check engine light
Jan 2010 124000 mi US $480	Leaking oil from cam seals - replaced and problem solved
Apr 2010 126000 mi US $10	Vacuum line failed. Repaired with shrink tubing
Oct 2010 132000 mi US $15	Vacuum hose leak
Nov 2010 133000 mi US $75	Turn signal / emergency flasher switch relay replaced
Mar 2011 136000 mi US $215	Window regulator rattled. Rivet replaced to fix problem
Dec 2011 142000 mi US $190	Xenon headlamp out. Faulty ballast was replaced with used unit ($85). Dealer had diagnosed problem and quoted $675 to repair.
Jun 2012 146000 mi US $158	Passenger window mechanism failed. Window would not open or close.
Jun 2013 154000 mi US $1685	Timing belt tensioner replaced due to bearing failure. Power steering pump was initially replaced due to mis-diagnosis. Noise was actually tensioner. Fixed on 2nd trip after much 'negotiation' about the P/S repair.

Audi A6 in Washington, United States Sep 2014 - Feb 2015
Sep 2014 143000 mi US $1500	Water pump needed to be replaced.

Audi A6 in Nebraska, United States Nov 2014 - Oct 2015
Jan 2015 141000 mi US $350	Fuel injector o-rings replaced.
Apr 2015 142300 mi US $2490	Clutch failure. Dual-Mass flywheel failure. Clutch replaced. Dual-mass Flywheel upgraded.

Audi A6 in Washington, United States Sep 2011 - Jun 2018
Oct 2011 151000 mi US $1039	Clutch started slipping under mild accelaration. Original clutch, lasted 150,000 miles. Replaced clutch and resurfaced dual mass flywheel.
May 2012 156500 mi US $380	Valve cover gaskets leaking severely due to excess pressure from plugged PCV/spider hose, a common issue. Replaced valve cover gaskets and installed vented oil cap to prevent immediate recurrence, will fix PCV/spider hose in near future.
Sep 2013 168000 mi US $2300	2 year old clutch slipping after 15000 miles due to poor driving habits. Replaced with stage 1 (RS4) clutch and lightweight single mass flywheel.
Sep 2015 189000 mi US $250	Replaced torn throttle body boot and commonly problematic "spider hose" PCV system with new silicon replacements.
Dec 2015 192000 mi US $120	Bank 1 ICM causing severe misfire in one cylinder. Verified by swapping ICM's, misfire followed. Replaced bad ICM.
May 2016 196100 mi US $330	Crankshaft position sensor plug damaged and sensor near edge of electrical tolerance. Verified by manipulating plug and electrical resistance test. Sensor replaced. Driver side tie rod end broken and loose in hub carrier but still attached and functional, made loud clunking while turning and driving over bumps.
Apr 2018 224000 mi US $500	Replaced worn control arms, shocks, brake pads and discs.

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Audi A6 in California, United States Feb 2010 - Sep 2015
Mar 2010 106000 mi US $1000	replace valve cover gasket and cam plugs and cam adjuster seals. replace right front cv boot.
Dec 2012 137000 mi US $2700	replace torque converter
Feb 2014 148000 mi US $1400	Water pump failed, leaking coolant. Replaced water pump, thermostat, timing belt, etc.

Audi A6 in Colorado, United States Sep 2008 - Dec 2011
Oct 2008 65000 mi US $3000	Supplemental water pump tie rod replaced CV boot replaced Fluid filled engine mount. Warranty would only cover 20% of dealer estimated cost Auto dimming rear view mirror cloudy - warranty would not cover Auto stick shifter quit working. Warranty would not cover Oil return line on turbo - gasket replaced
Aug 2009 74000 mi	Car stalled during high speed pass and engine acceleration resumed when backed off accelerator Oil leak from cam adjuster covers Upper control arm bushings replaced. Upper motor gasket set installed Tie rod end replaced.
Mar 2010 86000 mi	Diagnostics and replacement of ignition control box
Nov 2010 93000 mi US $65	coolant tank replaced along with T connector for hoses connected to coolant tank
Jun 2011 102000 mi US $1100	control module and O2 sensor replaced. Brake fluid replaced
Jul 2011 102500 mi US $1700	Tensioner for timing belt failed. Replaced timing belt, tensioner and water pump.
Oct 2011 105000 mi US $100	Oil leak. Replaced seals on oil return lines to turbo. Also oil leaks from cam adjustor tensioner that were not repaired. Replaced CV joint boot
Nov 2011 105000 mi	Additional oil leak. Cam plug replaced
Dec 2011 105000 mi	Oil leak from turbo housing. Did not attempt repair. Traded car in.

Audi A6 in Massachusetts, United States Feb 2009 - Jun 2018
Mar 2009 73000 mi US $2500	Coolant low warning light; supplemental water pump replaced. Timing belt replacement
Mar 2010 80000 mi US $2500	camshaft adjuster seals leaking right control arm had too much play -- replaced
Jul 2016 105000 mi US $200	Replace auto dimming mirror

Audi A6 in Illinois, United States May 2009 - Sep 2011
Jun 2009 128000 mi US $1800	Replaced auxiliary coolant pump. Replaced lower control arm. Differential seals.

Audi A6 in New Mexico, United States May 2009 - Nov 2016
Jun 2009 45000 mi US $1100	Both front CV boots torn and leaking. Replace.
Jan 2010 50000 mi US $464	Oxygen sensor failed
Jul 2010 53000 mi US $230	Replaced right front window guide
Jul 2011 56000 mi US $700	Replaced viscous coupling in engine driven cooling fan, clean debris from between A/C condenser and radiator Engine oil and filter change. A/C service (added .5 lb refrigerant. Price included in fan clutch replacement reported separately.
Jan 2012 59000 mi US $1290	Air Bag control module failed fault 65535
Aug 2012 60900 mi US $950	Aux water pump leaking, Coolant expansion tank leaking. R and R both, flush, new G-12 coolant
Dec 2012 63000 mi US $2700	Elective service to repair numerous small oil leaks in engine top-end and transmission pan, transmission fluid service.
Apr 2013 63625 mi US $426	Replace rib belt and tensioner Replace rib belt and tensioner
Feb 2015 73000 mi US $736	R and R upper link bushings (4). Oil and Filter service. R and R driver's side rear brake light bulb (n/c)
Jun 2015 75000 mi US $1850	r and r all four oxygen sensors and coolant temp sensor to clear persistent "check engine" light. Only one sensor was bad, but dealer recommended replacing all four to preclude recurring visits.
Jan 2016 61200 mi US $1250	Replace left front half-shaft due to tear in boot and subsequent loss of lubricant and dirt ingestion.
Jun 2016 80000 mi US $317	Replace right front axle due to cracked boot and subsequent dirt/foreign object intrusion.

Audi A6 in California, United States Oct 2007 - Mar 2010
Nov 2007 86000 mi US $435	cam seals and cam tensioners coolant auxilary pump turbo by pass valves replaced power steering hose
Jan 2008 86000 mi	Rollers.
May 2009 103000 mi	leaking thermostat housing sensor in door handle for alarm replaced replaced child window lock switch in driver's door
Dec 2009 108000 mi US $100	replace blower motor in dash. replaced transmission mounts replaced coolant temperature sensor
Mar 2010 113000 mi US $2900	torque converter failed. Replaced,

Audi A6 in Minnesota, United States Sep 2009 - Jun 2011
Dec 2010 95000 mi US $1500	Replaced fuel line after discovering leak New front left tie rod end Hazard switch replaced after blinker lights quit working CEL caused by bad oxygen sensor in the catalytic converter
Jun 2011 100000 mi	Bad oxygen sensor when sold.

Audi A6 in California, United States Aug 2011 - May 2013
Sep 2011 141000 mi US $770	Valve cover gaskets and overhead cam seals replaced. Additionally coolant tank replaced.
Sep 2012 164000 mi US $190	Alternator failed and I replaced it with about 6 hours work.

Audi A6 in New York, United States Apr 2012 - Apr 2012
Apr 2012 127000 mi	Brakes going into anti-lock puslation on every stop. Rebuilt anti-lock control module put in. Anti-lock senders cleaned. Repair was not successful.

Audi A6 in Virginia, United States Aug 2011 - Jun 2016
Sep 2011 127000 mi US $158	Made appointment with shop to address noise from wheel, check engine light came on before appt. Shop replaced brake pads (no cost from previous brake work), reset check engine and was unable to cause check engine indicator to come back on. Diagnose check engine light, was told needed torque converter and left & right side engine mounts. Local shop and changed transmission fluid, dealer tech said this was unnecessary. Fog light bulbs replaced, shop said was an elec problem.
Oct 2011 127800 mi US $3695	Replaced torque converter for about 60% of dealer's estimate. Replaced left and right engine mounts for about 60% of dealer's estimate.
Feb 2013 153000 mi US $2018	1 of 2 catalytic converters replaced, 1 of 4 oxygen sensors replaced to pass emissions inspection.
Mar 2013 155000 mi US $1086	Power steering pump failed, replaced.
May 2013 158700 mi	Replaced CV boot
Apr 2014 181200 mi US $499	Transmission output seal leaking fluid, output seal replaced.
Aug 2014 187000 mi US $1174	Coolant leaking, replaces secondary water pump and intake gaskets
Mar 2015 200000 mi US $812	Car wouldn't start, jump attempted. Towed to shop and bad fuel pump was replaced.

Audi A6 in California, United States May 2008 - May 2010
Sep 2009 84000 mi US $95	intermittent c.e.l. for oxygen sensors
Feb 2010 87000 mi US $900	Two bad oxygen sensors

Audi A6 in Ontario, Canada Feb 2012 - Apr 2012
Mar 2012 148800 mi C $450	signal light relay switch. Required air bag removal to access. Replaced 4-way flasher relay while in there. labour = 2.5 hrs.

Audi A6 in South Carolina, United States Aug 2010 - Feb 2012
Dec 2010 157000 mi US $150	Oil pump failure Significant coolant loss--broken "t" fitting on hose to expansion tank.
Mar 2011 162000 mi US $250	Knocking sound that sounded like a failing CV joint turned out to be bad sway bar links.
May 2011 180000 mi US $950	Auxilliary fan working intermittantly. Replaced

Audi A6 in Massachusetts, United States Jul 2010 - Mar 2011
Aug 2010 122000 mi	Water collected bt. engine and firewall due to plugged drains under battery. In corners water sloshed into pass. side footwell thru cabin filter and saturated transmission module. Unplugged drains, dried out carpet, disconnected, cleaned and dried module. Valve cover gaskets. Unplugged drains under battery, dried out carpet, pulled up carpet, dried up flooring, disconnected, cleaned and dried transmission control module.

Audi A6 in Minnesota, United States Jun 2016 - Mar 2018
Nov 2016 220000 mi US $2500	Water pump

Audi A6 in Pennsylvania, United States Nov 2014 - May 2018
Jan 2015 109000 mi US $120	replace timing belt water pump and all components replace valve cover gaskets, tensioners and cam seals power steering pump failed replaced pump
Jun 2015 116000 mi US $270	Replaced failed secondary air injection pump
Dec 2015 131000 mi US $75	Replace front shocks
Apr 2016 137500 mi US $140	replace control and tie rod ends
Jun 2016 140000 mi US $25	replaced thermostat housing

Audi A6 in Colorado, United States Jan 2009 - Nov 2014
Aug 2009 116500 mi US $180	Battery Failed Numerous fuses blew when battery was left dead for extended period of time.
Apr 2010 118000 mi US $120	Fan on front of AC radiator/coil failed - started whining loudly.
Aug 2010 120000 mi US $1500	Auxillary Water Pump Failed - started leaking
Mar 2011 124000 mi US $1800	Radiator fan failed Upper control arms cracked - replaced.
May 2011 125000 mi US $120	Liquid from inside auto-dim mirror began to leak out causing the mirror to be unusable/blurred. Lower exterior door strip/trim fell off. Receiving piece of drivers sun visor broke.
Feb 2013 133500 mi US $1800	major vibration from front of vehicle
May 2013 135000 mi US $691	Alternator died slowly. In the beginning it was just a battery drain. But after a few days of troubleshooting it was evident that the alternator was on it's last leg.
Sep 2013 136000 mi US $47	Coolant expansion tank cracked and began to leak coolant all over. Appeared to be an aged crack due to the plastic just deteriorating over time. Engine bay hood strut failed. Replaced. Car began to run hot in traffic on warm days. Called local repair shop and they recommended using high pressure air to blow out the area between the AC and Engine radiators to ensure proper airflow. Did that, running better now.
Mar 2014 136000 mi US $1300	CV joint
Nov 2014 142000 mi US $850	Some kind of timing sensor (cam sensor maybe) failed on both sides causing it to run very rough under throttle. Xenon Headlight quit. Horn stopped honking when you lock the doors. I'm told it was because the door sensor on one of the doors quit.

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Audi A6 in Mississippi, United States May 2014 - May 2014
May 2014 132000 mi US $600	They never fixed it. Still doesn't start or keep running when started. Hopefully I've diagnosed the Neutral Safety Switch as the issue. Hopefully.

Audi A6 in Minnesota, United States Nov 2012 - Sep 2013
Aug 2013 115600 mi US $200	Replaced expansion tank

Audi A6 in Colorado, United States May 2009 - Apr 2014
Sep 2010 109000 mi US $1	Unusual hesitation and ESP triggering. Pulled codes using VAG-COM and saw that the brake light switch was defective. Replaced it per Bentley instructions and everything is just perfect.
Feb 2011 117000 mi US $30	hazard flasher switch failed.
Aug 2011 123000 mi US $70	Coolant overflow reservoir was developing cracks and was starting to leak. Replaced the reservoir with a new one and everything is perfect.
Apr 2012 133000 mi US $40	Leak from passenger-side inner driver seal.
Nov 2012 143700 mi US $90	Replaced all soft brake lines and bled the system.
Jun 2013 152000 mi US $250	Replaced fuel pump. Failed pancake valve
Feb 2014 156900 mi US $45	Clips on the driver's side window broke preventing the window from going up.
Mar 2014 159000 mi US $10	Had the airbag module repaired. Replaced vacuum lines. CEL on.
Apr 2014 159000 mi	CEL on for vacuum leaks or EGR issues. Gah....

Audi A6 in Massachusetts, United States Dec 2004 - Mar 2013
Jun 2004 102390 mi US $1188	Replaced engine oil cooler seal, change oil
Oct 2005 91119 mi US $6650	Oil chg, water pump, pwr strg pump, timing belt, frnt axle boots, tailshaft housing, new tires
Apr 2006 94063 mi US $1006	Oxygen sensor, oil change
Jul 2009 119048 mi US $950	EVAP canister & c-valve replaced
Aug 2009 119611 mi US $1181	AC fan failure, replaced & recharge system
Dec 2010 132000 mi US $500	Replaced right front axle $300 Replaced leaking/cracked antifreeze liquid tank $200
Sep 2011 138000 mi US $500	Rear hydraulic brake cylinder was leaking brake fluid and needed replacement.
Dec 2011 141000 mi US $700	Float for brake fluid malfunction, replaced float, drained & replaced brake fluid. Oil leak caused by non-dealer incompetence. Replaced oil & filter. Leak corrected. CV Boot replacement. CV boots seem to tear & need periodic replacement which cost $300 for each one replaced. They last approx 2 years, depending on environment.
Mar 2012 144000 mi US $175	Replaced coil
Feb 2013 154200 mi US $5100	3rd gear clutch pack failed. Car not drivable. Towed to dealer. Clutch pack cannot be individually repaired. Transmission replaced with rebuilt tranny, warranty 6 months, parts only. Dealer provided loaner at no charge.

Audi A6 in Manitoba, Canada May 2010 - Jun 2012
Mar 2010 74400 mi C $9000	removed and replaced transmission....and did timing belt at the same time
Feb 2011 79360 mi C $1000	Right rear caliper failed, needed new caliper, two new rotors, (left one replaced as well, to match wear).
Nov 2011 90520 mi C $360	door lock latches on front doors, courtesy lights do not operate, each latch is over $400 plus install for total of approx $1,200.

Audi A6 in Texas, United States Oct 2009 - Oct 2010
Feb 2010 125000 mi US $600	Accessory Belt idler pully seized and came off.

Audi A6 in Connecticut, United States Jan 2012 - Apr 2013
Feb 2013 110000 mi US $200	brake switch to release from park
Apr 2013 110000 mi US $200	leak into floors

Audi A6 in Pennsylvania, United States Oct 2011 - Jun 2016
Nov 2012 124000 mi US $4500	Trans was slipping. Having trans rebuilt.
Mar 2013 129000 mi US $550	Timing belt replacement as well as two noisy accessory rollers and belt. Tires and alignment as well with both inner and outer tie rods. Rods were about $550.
Sep 2014 150000 mi US $350	Replaced Front ABS speed sensor Replaced Front headlight level sensor
Jan 2015 159000 mi US $400	Drivers CV shaft replaced
Dec 2015 181000 mi US $1400	Wheel bearing went bad on passenger front. Replaced both bearings. Preventative maintenance replacement of all control arms and bushings since car was apart. Alignment.

Audi A6 in California, United States Sep 2011 - Dec 2014
Nov 2011 152800 mi US $683	Replaced rear differential seal. Replaced right front lower control arm.
Mar 2012 157000 mi US $700	The fuel pump was replaced.
Aug 2012 162000 mi US $813	Replace upper control arms, both sides.
Sep 2012 162000 mi US $264	Bad valve cover gasket. Bad timing chain tensioners.
Mar 2013 165000 mi US $780	Torn CV joint boot. Replaced.
Dec 2014 180000 mi	I didn't replace the bad valve cover gaskeet. Expensive problems were adding up, including airbag warning, front suspension, transmission hick-ups, oil leaks... it was estimated bringing the car up to par would cost $11,000. Airbag warning. Front suspension.

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Audi A6 in British Columbia, Canada Dec 2011 - Mar 2013
Jan 2012 70680 mi C $1450	New alternator
Oct 2012 75220 mi C $1000	Supposedly over-filled tank - led to a complete replacement of the overflow system and resetting of the sensor software.

Audi A6 in New Jersey, United States Jan 2007 - Jan 2011
Jun 2008 67000 mi US $390	both front axle outer CV joint boots broken
Sep 2009 79000 mi US $502	Rear transmission seal leak Engine breather clogged.
Jun 2010 91000 mi US $105	Four way flasher relay assembly failed.

Audi A6 in Colorado, United States Jun 2010 - Jan 2011
Dec 2010 120000 mi US $65	The cam seals were leaking, I could smell burning oil within the cabin of my car and especially when I was outside of my car after drives. I put in new seals, but the didn't seat properly, now have to retry.

Audi A6 in Michigan, United States Apr 2010 - Jul 2010
May 2010 124000 mi US $525	AUDI ECU Update to newest version for Check Engine light, Audi Dealer said the new ECU had more relaxed parameters and it may keep the CEL off. No such luck. $375. Coolant system flush (no heat), $250.
Jul 2010 125000 mi US $2000	Rebuilt transmission. Catalytic converters bad when sold.

Audi A6 in District of Columbia, United States Apr 2010 - Jun 2014
May 2012 127800 mi US $500	Replaced upper and lower front control arms
Oct 2012 132500 mi US $30	Flex joint in passenger side exhaust rotted out. Welded in new. Replaced leaking cam plug in right bank rear of cylinder head.
Sep 2013 142000 mi US $80	Oil level/temp sensor died and I replaced it. Right rear power window regulator failed and I replaced it
May 2014 148000 mi US $350	Water pump was leaking-replaced

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Audi A6 in Pennsylvania, United States May 2009 - Jul 2011
Jul 2011 59000 mi US $655	Vaccum leak. Loss of idle and power brakes. Simple repair

Audi A6 in Texas, United States Apr 2008 - Mar 2012
Mar 2012 140000 mi US $750	Needed a new alternator

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Audi A6 in Arizona, United States Jan 2007 - Mar 2010
Jun 2007 70000 mi US $180	Torn CV Boot

Audi A6 in Oregon, United States Jan 2007 - Mar 2010
Sep 2007 80000 mi	Coolant sensor

Audi A6 in Minnesota, United States Jan 2007 - Mar 2010
Jun 2008 95000 mi US $675	ABS Brake sensor.

Audi A6 in California, United States Jan 2007 - Mar 2010
Feb 2007 47000 mi	Replaced am antenna amplifier wire.
Apr 2007 47000 mi US $3800	coolant tank replacement
Dec 2007 53000 mi US $6	Replace broken window guide; driver's side.
May 2008 56000 mi US $218	Bad EGT sensor driver's side.

Audi A6 in Colorado, United States Mar 2008 - Jan 2014
Apr 2008 52000 mi US $3392	Vehicle was taken in for major oil leak, requiring engine repairs, as well as timing belt service and misc. engine repairs.

Audi A6 in California, United States Aug 2007 - Mar 2010
Oct 2007 75000 mi US $1500	Leak in compressor, required replacement . Leak in transmission seal to driveshaft.

Audi A6 in California, United States Apr 2009 - Mar 2010
Jun 2009 69000 mi US $300	tie rods replaced. cv boots replaced. 3 window tracks replaced.

Audi A6 in Texas, United States Jun 2009 - Aug 2009
Jul 2009 74000 mi US $350	O2 sensor

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Audi A6 in Arizona, United States May 2009 - Mar 2010
Nov 2009 118000 mi US $510	Transmission Rebuild. New Torque Converter.
Feb 2010 120000 mi US $378	New torque converter went out, replaced by shop warranty. Engine mounts replaced.

Audi A6 in Maryland, United States Jan 2007 - Dec 2008
Mar 2007 60000 mi US $450	Replaced worn CV Boot Replaced engine oil gasket that was leaking
Jun 2008 70000 mi US $500	Computer threw fault codes for Mass Air Flow Sensor and Catalytic converter. Mechanic recommended Mass Air Flow Sensor replacement only, as Catalytic Converter faults can sometimes be caused by Mass Air Flow Sensor. Appx 1wk has since passed w/o faults.

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Audi A6 in Georgia, United States Jul 2008 - Feb 2009
Jan 2009 US $550	Replaced leaky seals.

Audi A6 in New York, United States Jan 2007 - Mar 2010
Apr 2007 78000 mi US $50	Climate control not accurate in heat mode. Temp in the cabin would decrease while the temp setting had to be continuously increased. Thermostat replaced.

Audi A6 in Virginia, United States Jan 2007 - Jul 2009
May 2007 81000 mi US $600	Auxiliary (passenger side) fan stopped working: replaced fan and fan control module ABS warning light on: repaired ABS control module
Jun 2007 82000 mi US $2	Windshield washer tank leaked and drained dry... 2 grommets at pump mount had dried out and were replaced.
Jul 2007 83000 mi US $110	Check Engine Light: Indicated issue with Evap. Control System - no problem found. Indicated secondary issue with Oxygen sensor, checked & monitored in "real time" and no issue found. Reset light, it has not come back on in ~3 weeks since.
Nov 2007 88000 mi	catastrophic engine failure, cam timing lost, valves broken, pistons damaged, extensive damage still under analysis for extent of repair
Feb 2008 88000 mi US $4100	Catastrophic engine failure: "dropped" a valve, resulting in multiple valves breaking, pistons holed, timing belt pulley bolt sheared, cam timing lost, etc. Repair consisted of replacing engine with a rebuilt engine (Long block).
Mar 2008 88000 mi	"Low Coolant" light came on after engine replacement (100-200 miles). Checked engine, found no leaks at all, assume that all air was not bled from system. Re-bled system, no leaks found, coolant topped off.
Apr 2008 89000 mi	"Low Coolant" light came on after engine replacement (800 miles). Checked engine, found no leaks at all, bled system. Re-bled system, no leaks found, coolant topped off. Continue to monitor coolant loss so source can be determined.
Jul 2008 91000 mi US $470	LF Upper Control Arm/ Ball Joint replaced Hood latch cable broke, hood could not be opened... replaced hood latch Check Engine Light on: fully test system, replace purge valve & retest.
Jun 2009 102000 mi US $799	Replaced 2 Oxygen Sensors which were giving Check Engine Light
Jul 2009 102000 mi US $1000	Catalytic converter replaced. Flex pipe gave out. Sold car, not willing to keep putting huge $$$ into a car I couldn't rely on and that might not pass emissions inspection next time. Intermittent CELs turned into constant ones and even my trusted expert indep. shop was scratching their head at it.

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Audi A6 in New Jersey, United States Aug 2008 - Mar 2010
Sep 2008 106000 mi US $3745	Lost reverse gear with no warning. Required rebuilt ZF Transmission. Problem corrected after $3,745.00 rebuilt ZF Transmission.
Oct 2008 106000 mi US $524	Replaced both front axels

Audi A6 in Quebec, Canada Feb 2010 - Jun 2011
Mar 2010 130200 mi C $250	Oxygen sensor replacement

Audi A6 in New Jersey, United States Nov 2010 - Dec 2010
Dec 2010 174000 mi US $400	control arm bushings

Audi A6 in West Virginia, United States May 2011 - Jun 2011
Jun 2011 276000 mi US $500	compressor stopped working

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Audi A6 in Idaho, United States Jul 2011 - Aug 2011
Jan 2011 153000 mi US $500	replaced failed passenger side intake camshaft and 3 lifters, also along with this job valve gasket, camshaft tensioner gasket, cam plugs, half moon plug, timing belt, fan clutch, vacuum line, oil level/temp sender, oil pan gasket replaced
Aug 2011 163000 mi US $22	replaced front passenger side inner cv boot due to small rip replaced front passenger side inner cv boot due to small rip

Audi A6 in New York, United States Jun 2012 - Apr 2019
Aug 2012 84300 mi US $240	Replace Timing Belt, Water Pump, Tensioners, etc. and replace Cam Chain Tensioner seals and Valve Cover Gaskets. Radiator leaking. Secondary Air Pump Noisy-replaced Replaced all engine vacuum lines as they were very brittle.
Sep 2012 85000 mi US $120	Replaced broken rear spring (drivers side).
Dec 2012 86000 mi US $15	Replaced torn CV Boot (Drivers side)
Jul 2013 88200 mi US $70	Fan clutch always engaged. Replaced with new unit.
Jan 2014 86800 mi	Oil burning on exhaust again-passenger side. Upper engine seals already replaced, PCV working OK.
Apr 2014 91200 mi US $10	Replaced oil fill cap with updated design(has pressure relief valve) to reduce oil leaks.
Jun 2014 92000 mi US $240	flush power steering, new spark plugs, new front O2 sensors, new flex joints for exhaust, new center diff. rear seal, replace center and rear diff fluid, new coolant reservoir, repair various rust on exhaust and underbody.
Aug 2014 92000 mi US $10	Engine mounts worn and leaking fluid. Noise on transmission shifts. Attempted to change front differential fluid. Found unit almost empty. Fluid leaking from passenger side axle seal. Filled with fluid and ordered new seal.
Sep 2014 92000 mi US $130	Replaced failing front passenger side axle seal, refilled front differential, replaced cracking outer CV boot. Replaced lower suspension links on passenger side due to creaking noise.
Aug 2015 93600 mi US $40	Replaced axle seal in front differential-drivers side.
Mar 2016 96000 mi US $100	Engine running rough after start. CEL came on once. Replaced coil pack.
Dec 2016 96000 mi US $50	CEL on. Insufficient Secondary Air Flow both banks. Ongoing problem, will not pass inspection. Rear Drivers side window will not close without help. Replaced regulator and lubed tracks.
Jan 2017 92800 mi US $50	Cheap Chinese secondary air pump installed in 2012 failed, causing CEL. Found a rebuild kit for the original one(which I kept). Rebuilt and reinstalled.
Jun 2017 97000 mi US $121	Replace ignition switch-no crank condition due to low ‘run’ voltage. Replace rusted exhaust couplers Replace valve cover gaskets due to leaks. Repair hole in exhaust pipe (welded in new section). Replace Drivers side CV Boot. Last one only lasted a few years. Replace Drivers side upper control arms.
Jul 2017 97000 mi US $85	Cylinder 2 and 4 misfire. Replaced coil pack again. Last one only lasted 1 year.
Mar 2018 97000 mi US $240	New OEM Secondary Air Injection pump installed to clear check engine light. This has been an ongoing problem as I tried to use aftermarket parts-they are junk.
Apr 2018 97000 mi US $100	Front rotors had excessive vibration and noise when applied. These Raybestos units were damaged in 1 winter by salt. Replaced with Zimmerman Z-coat rotors and hoping for better.
May 2018 97000 mi US $40	Front right pad separating from backing plate due to rust. Replaced both front pad sets.
Aug 2018 98000 mi	Replaced Passenger side rear Catalytic Converter, Flex Joint, and pipe. Seal weld on converter was gone, and pipe had several holes from winter road salt. Replaced with Walker Calcat unit and fabricated pipe. Passenger side carpet saturated with water. Lifted and dried with dehumidifier. Will repair once source located.
Sep 2018 98000 mi	Located water leak as plugged AC drain valve. Cleaned same. Repaired Driver side rear Catalytic Converter and pipe by welding. Seal weld on converter was going, and pipe had a hole from winter road salt. Cleaned up rust and painted pipe. Should make it through winter, will replace next year.
Apr 2019 100000 mi US $9	Replaced rear brake pads. Friction material starting to separate from backing pad due to corrosion from road salt. Pads also fairly worn.

Audi A6 in Maryland, United States Feb 2010 - Oct 2011
Apr 2010 90000 mi US $450	P1423 & P1411 CEL codes. Both dealing with secondary air injection system (SAI). Told dealer that independent shop identified clogged SAI port in head. They reattached a hose and replaced another. CEL one week later - same code.
Jun 2010 91000 mi US $600	Same as previous. Dealer has no clue.

Audi A6 in California, United States Jan 2011 - Jul 2017
Feb 2011 180000 mi US $372	Seal leaking on rebuilt transmission. Seal replaced. Seal on rebuilt transmission still leaking. Seal replaced again.
Sep 2011 183000 mi US $1732	Front suspension bushings and ball joints worn. All suspension control arms and linkages replaced.
Oct 2011 184000 mi US $306	Engine running very rough and check engine light came on. Checked the trouble codes with a diagnostic scanner, found misfiring on cylinders 3 and 5. Replaced all of the ignition coils and spark plug wires.
Feb 2012 186000 mi US $249	Oil was leaking from the cam chain tensioner gaskets on the engine and dripping onto the exhaust manifold, causing smoke and a burning oil smell to drift into the cabin. Took the car to my mechanic, who replaced the gaskets.
Mar 2012 187000 mi US $466	Car was making a growling noise, which I suspected was coming from a wheel bearing. Took car in to my mechanic, who confirmed that the rear left wheel bearing was bad, and then replaced it.
Dec 2012 196000 mi US $1500	Alternator went bad. Replaced. Major coolant leak resulting from burst heater hoses. Towed car to shop and had hoses replaced. Coolant still leaking, albeit more slowly. Drove back to shop, and had an o-ring seal replaced under the intake manifold. While at it, also replaced bulging oil hose, brittle breather hose, and had throttle body de-carbonized.
Jun 2013 201000 mi US $185	Windshield washer fluid leaking.
Dec 2013 207000 mi US $150	Ignition coil failing, causing check engine light and rough running. Interior front passenger door handle not working. A cable on the inside had to be replaced.
Apr 2014 208300 mi US $850	Fuel pump died. Replaced fuel pump and fuel filter.

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Audi A6 in California, United States Dec 2007 - Jun 2018
Dec 2013 75000 mi US $1700	Camshaft cover seals were leaking oil. Had the seals replaced plus timing belt, water pump, timing belt tensioners.

Audi A6 in Michigan, United States Nov 2008 - Jan 2011
Jul 2009 147000 mi US $300	Strong smell of antifreeze. Pulley squealing. Found leaking water pump. Did complete timing belt change while car was stripped down.

Audi A6 in Illinois, United States Jan 2011 - Feb 2012
Feb 2011 170000 mi US $600	Coolant temperature sensor o-ring replaced. New Axle.
Feb 2012 192000 mi	Rust spot forming under paint on roof by door frame, but not on it. One small part exposed to the elements.

Audi A6 in British Columbia, Canada Jul 2010 - Aug 2014
Apr 2010 74400 mi C $2000	Steering Rack replaced after leaking and failing
Aug 2011 83700 mi C $600	Head gaskets leaking, apparently a common issue
Apr 2012 89900 mi C $400	Car was missing, diagnosed as ingition modules, bought used ones for $50 each out of an S4

Audi A6 in New York, United States Nov 2014 - Mar 2015
Mar 2015 128000 mi US $230	Drivers side Bilstein's shock blew, spent $100 on new front SenSen shocks and $130 on new springs from eBay.

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Audi A6 in New York, United States Mar 2010 - Sep 2010
Sep 2010 199000 mi US $250	Just needed new spark plugs. Originally thought coils were bad because of mis-fire codes on 2 cylinders.

Audi A6 in Massachusetts, United States May 2008 - Mar 2014
Jun 2008 90000 mi US $350	ABS Controller failed - installed rebuilt controller
Nov 2008 103000 mi US $200	Worn upper control arms -right front
Jan 2009 106000 mi US $1100	Replaced all front control arms and also replaced shocks (front and rear).
Jun 2009 117000 mi US $33	Replaced upper front shock mount -driver's side
Sep 2009 124000 mi US $300	Replaced cracked brake lines Replaced transmission fluid and filter Replaced leaking differential seals
Sep 2010 150000 mi US $60	Driver's door lock module replaced.
Oct 2010 152000 mi US $18	Driver's side Outer CV boot was torn - replaced with new boot, relubed CV joint in process.
Sep 2011 178000 mi US $600	Car taken for alignment but needed frozen tie rods replaced.
Dec 2011 183000 mi US $20	Replaced cam adjuster seals as they were leaking oil.
Aug 2012 189000 mi US $150	Alternator charge was low (less than 12 volts). Replaced alternator with remanufactured unit.
Sep 2013 197000 mi	Repaired exhaust system hangers.
Jan 2014 197000 mi US $20	Replaced front CV boot (driver's side). Repacked CV joint.

Audi A6 in District of Columbia, United States Sep 2007 - Sep 2014
Oct 2007 75000 mi US $750	There is a recurrence of a leak in the cooling system evidenced by dry expansion tank. Had to find leak--in seals of pump replaced 18 months ago--and replace aging hoses.
May 2008 83000 mi US $2750	Had leaking water pump and leaking oil cooler replaced - ended up going to the timing belt replacement while I was there - added to current cost, but was going to do it in 6 months anyway.
Oct 2008 89000 mi US $1400	Leak developed due to degradation of seals around turbo - that's what I was told. Leak was not severe, empty coolant tank resulted from 3 months of driving. Had to replace right side tie rod ends and upper control arm.
Nov 2008 89000 mi US $900	Lower control bar and upper A-arm on right side had worn joints leading to slack in the system, vibration at speed, and noise in low speed turns
Sep 2009 98000 mi US $300	Had a noise in the front suspension that sounded like things rubbing together that should not be. Had all links checked and lubed key areas. Suspect that noise was from sway bar friction.
Jan 2010 104000 mi US $1280	Leaking valve cover gasket - replaced both sides. Leak around thermostat. Much labor required to access this part of engine.
Oct 2010 113000 mi US $1000	Car had an intermittent failure of the ABS control unit. Brake warnng light came on a brake pedal would sink to floor as ABS unit released pressure. Not a good thing. Tuning car off would recalibrate ABS and car could be driven.
Mar 2011 117000 mi US $650	Exhaust gas temp sensor went bad, tripped OBD and had to be replaced.
Jun 2011 121000 mi US $1500	Aux water pump replaced for 2nd time. Also 2 leaking hoses replaced.
May 2013 145000 mi US $1500	Had a complete replacement of all control arms, left and right. Been doing piecemeal for several years and got tired of that method, hence the movement to replace control arms and tie rod ends.
Jul 2013 146200 mi US $380	Replaced cracked air intake bellows and related pieces.
Nov 2013 148100 mi US $1400	Engine blew main crankshaft seal

Audi A6 in Missouri, United States Dec 2012 - Jun 2013
May 2013 114000 mi US $300	Control arm and ball joint failure Turn signal relay failed and turn signal stalk developed short. Both had to be completely replaced
Jun 2013 114000 mi	Major Automatic CVT Tranmission Failure. Gears slipping or completely not available, clutch starting to burn up when driving

Audi A6 in Wisconsin, United States Jan 2012 - Feb 2012
Feb 2012 141000 mi US $300	power windows, door locks, turn signals, sunroof, and interior lights are all inoperative. Also, the DLC is not communicating with computer when I scan it.

Audi A6 in Washington, United States Aug 2012 - Mar 2014
Jan 2013 US $300	Engine Temperature Sensor

Audi A6 in Washington, United States Oct 2010 - May 2012
Aug 2011 148000 mi US $560	Auxiliary water pump failed. Had to get a new one. Now main water pump broke. New one put in.
Dec 2011 154000 mi US $500	replace alternator and battery

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Audi A6 in Arizona, United States Oct 2010 - Jun 2011
Nov 2010 108000 mi	MECHANIC TOLD ME HE HADNT HAD TIME TO DIAGNOS PROBLEM. TRANS SLIPPING CLD BE SOLENOID OR TRANS ITSELF. MORE THAN 30 DAYS TOLD ME IT WAS GOING TO BE 4000 TO FIX, AND FILED ABANDONED VEHICLE.NOW OWNS MY AUDI. I NEVER AUTHORIZED ANY REPAIRS!

Audi A6 in Massachusetts, United States Apr 2010 - Jun 2018
May 2010 135000 mi	Evap-Purge Valve Failure Temp Sender & Sensor Failure Front Crankshaft Seal failed. Replaced Timing Belt & Waterpump
Dec 2010 140000 mi	Oil Leak
Apr 2011 143000 mi US $100	Oil Cooler Leak Brake Line Ruptured CV BOOT KIT NEEDED
May 2011 144200 mi US $150	RF Axle replaced RF Control arm (upper / forward) needed.
Aug 2011 150000 mi US $150	Upper Control Arm
Sep 2011 150000 mi US $110	Exhaust Flex-pipes again! - last replaced a year ago! Door lock failure - next. Using fob for now.
Oct 2012 155300 mi	New Starter (BOSCH REBUILT) Fan Clutch (Overheat warning)
Dec 2012 157000 mi US $300	Replaces Flex pipes in exhaust - again - they seem to last between one and two years.
Apr 2013 160200 mi US $500	Overheating condition - Required running heat at full stop. Coolant Pressure test detected 2 year old water pump was leaking. Replaced water pump again, along with thermostat, timing belt and tensioner.
Jul 2013 161200 mi	System re-bled, coolant & radiator core retested. Result - head-gasket = OK. Another shop suggested it is a head gasket problem. Another shop suggested they should look for a slight leak...
Oct 2013 162000 mi	Exhaust Flex pipes previously installed had failed welds needed to be redone.
Mar 2014 163000 mi US $150	LF Axle replaces - Boot had failed.
Dec 2014 166000 mi US $100	Wiper-arm re-calibration

Audi A6 in North Carolina, United States Dec 2013 - Jan 2014
Dec 2013 89000 mi US $2200	replaced all tie-rod ends oil leaks

Audi A6 in New Jersey, United States May 2011 - Mar 2016
Jun 2011 7800 mi US $800	Changed front upper/lower control arm, tie rod end, with Meyle HD control arm kit.
Aug 2015 120900 mi	Replacing front shocks and mounts

Audi A6 in Illinois, United States Sep 2007 - Mar 2015
Oct 2007 69000 mi US $366	Surging issues on cold starts but no CEL. Problem was solved by cleaning out the throttle body. No new parts.*** leaking transmission pan gasket - replace
Oct 2008 80000 mi	Leaking transmission shaft seal replaced
Dec 2008 82000 mi US $68	Replaced faulty flasher unit.
Sep 2011 106000 mi US $1265	Crack in oil cooler causing coolant to leak: problem repaired by replacing oil cooler
Jul 2012 113500 mi US $300	Faulty evap purge valve causing CEL. Replace valve.
Nov 2012 116900 mi US $120	Replaced faulty ride height sensor related to headlight auto-leveling function.
Sep 2013 122000 mi US $190	repair torn CV boot
Feb 2015 135000 mi US $700	Replaced valve cover gaskets
Mar 2015 135000 mi	Lost 1st gear and transmission went into and stayed in limp mode. See ya later alligator. It was a great car but after 15 years it was time to let her go. Sob.

Audi A6 in Kansas, United States Aug 2008 - Sep 2011
Nov 2010 147000 mi US $300	AC Blower and resistor failed and replaced

Audi A6 in South Carolina, United States May 2015 - Dec 2015
Dec 2015 132000 mi	Oil pump died, caused camshaft to seize, destroying valves and pistons

Audi A6 in Illinois, United States Feb 2010 - Jul 2013
Nov 2011 184000 mi US $1000	Front driver and passenger side upper and lower control arms replaced.
Apr 2012 194000 mi US $3000	Coolant leak on the passenger side of engine. Replaced water pump, timing belt, etc. Coolant leak was result of failed (plastic) fitting. Check engine light. Diagnosis showed that the driver's side catalytic converter needed to be replaced.
Apr 2013 210000 mi US $800	Replaced driveshaft.
Jul 2013 217000 mi US $180	Received ABS / Brake warning light. ABS module faulty. Removed it and sent to Module Masters for rebuild. Re-installed rebuilt module and ABS / Brake light reset.

Audi A6 in Alberta, Canada Aug 2011 - Sep 2012
Sep 2011 66960 mi C $350	oil cooler seal leak
Jun 2012 81840 mi C $1160	ABS SENSOR FAIL AND REPLACE ROTORS AND PADS
Sep 2012 84320 mi C $525	Brake line burst

Audi A6 in California, United States May 2013 - Jan 2014
Dec 2013 167000 mi US $2200	Replaced catalytic converter

Audi A6 in Missouri, United States Jan 2011 - Dec 2012
Feb 2011 104000 mi US $276	Crankcase vent valve bad-replaced, reset Check Engine Light. Replaced Mass Air Flow Sensor, Installed new Brake pads
Apr 2012 126000 mi US $86	two upper control arms, and a four wheel alignment
Dec 2012 137000 mi US $61	Coolant pipe from engine to Oil Cooler began to leak

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Audi A6 in Florida, United States Jan 2010 - Jun 2011
Mar 2010 119000 mi US $3000	Transmission began slipping and eventually failed completely, requiring a complete rebuild. I was considering trading in the car for a new vehicle, but because of all of the investments I have already made in the car, I've repaired it.
Sep 2010 123000 mi	Electrical problems.
Nov 2010 125000 mi US $2500	The car is in the shop everyother month. It was multiple issues this time: water leaks into cabin, suspension rattles/sloppy feel, control arms, CV boot, radiator hose replaced, battery exploded, electrical problems... all in 2 months! :(

Audi A6 in Hawaii, United States Sep 2010 - Jun 2011
Apr 2010 120000 mi US $3600	Trasmission repair
May 2010 14000 mi US $1500	Front right side axle
Jul 2010 150000 mi US $700	Driver Window wont go up
Oct 2010 150000 mi US $2300	Alternator Steering Alternator plus steering

Audi A6 in Arizona, United States Jan 2011 - Feb 2014
Mar 2011 144000 mi US $570	Clicking noise from front left wheel led to right cv joint breaking. Replaced both front axles.
Jun 2011 157000 mi US $150	Plastic T from coolant expansion line -reservoir split lost most of coolant, replaced T, coolant system flush , new coolant.
Jul 2011 160000 mi US $258	3 engine mounts failed, replaced them. one tie rod end broke, replaced both Low brake pad warning light; rear right caliper had to be replaced, new rear pads and 1qt DOT 4 brake fluid
Aug 2011 165000 mi	check engine light. code is for emissions leak, car has occasional poor idle / stalls, hesitates on heavy acceleration
Dec 2011 179000 mi US $685	cracked radiator
Jun 2013 207000 mi US $86	oil pan cracked cv boots and serpentine belt
Feb 2014 212000 mi	cv boots, ripped after 2 yrs,

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Audi A6 in Michigan, United States Nov 2011 - Dec 2011
Dec 2011 138000 mi US $100	Fuel pump supply nozzle made of plastic. It broke due to some stress, smelled fuel. Attempted to remove fuel tank, however due to rear axle having to be removed for tank to be removed, gave up and glued the plastic nozzle back on and it's OK

Audi A6 in Ohio, United States Jun 2011 - Jun 2012
Mar 2011 78000 mi US $280	replaced all front control arms and steering tie rods.
Sep 2011 75000 mi US $23	took car into audi dealer - wanted to replace all engine seals - $1600. searched web and found PCV valve was defective causing pressure on top of engine causing leak. replaced PCV myself, problem fixed.

Audi A6 in California, United States Sep 2007 - Nov 2010
Jul 2008 121000 mi US $186	Coolant recovery tank leaks, requiring frequent top off of coolant; if low, will trigger warning light for temperature. Was replaced with new tank.
Sep 2008 121000 mi	Seat belt locked up after back seat folded down. Ordered replacement belt but was the wrong one.
Nov 2008 124000 mi US $494	Completed replacement of center rear seat belt after parts arrived in shop.
Jan 2010 136000 mi	Coolant recovery tank leaked fluid, frequently causing low coolant warning light to go on. Replaced new coolant recovery tank. Tie rods and control arms faulty, causes car to pull to one side. Replaced.
Feb 2010 136500 mi	Experienced constant coolant leakage, have to top off coolant every other day. Shop found faulty or missing O-ring by coolant level sensor and replaced at no charge (goodwill due to long and good relations).
Mar 2010 136839 mi US $461	Replaced air pump to fix CEL light status. However, CEL still pursists
May 2010 137213 mi US $90	Determined catalytic converter the cause of check engine light. Took a week to diagnose. Waiting for part to arrive. Rapid rise in engine temperature on gauge and warning light flashes on. Resolved by replacing faulty coolant temperature sensor. Catalytic converter ordered, found out it did not fit. Got car returned. changed water temperature sensor
Jun 2010 139000 mi	Replaced catalytic converter but check engine light came on again less than hour leaving shop. Car overheated. Replaced water pump; at same time, also replaced timing belt.
Aug 2010 139300 mi US $1492	After extensive diagnosis, found that ECU had to be replaced. Then O2 sensors went bad; these were replaced under warranty since they were replaced in Dec. 2009.
Oct 2010 141000 mi US $95	replaced stereo head unit - ordered from parts supplier, mechanic installed free labor intermittant turn signal function - replaced new bulb holder on driver's side.

Audi A6 in Washington, United States Sep 2007 - Aug 2014
Sep 2008 96000 mi US $35	Coolant temp sensor.
Mar 2009 99000 mi US $25	Torn CV boot.
Jan 2011 101500 mi US $200	Pixelated center LCD display. Replaced with a new display.
Mar 2013 121000 mi	rear calipers replace
Dec 2013 127000 mi US $100	Coolant expansion tank cracked
Feb 2014 127000 mi US $20	Torn driver's side CV booth, first replaced around 60k miles, second one installed at 124k miles.
Mar 2014 128000 mi US $65	Sway bar links, replaced both, both were factory original.
Jun 2014 130000 mi	Upper control arms, original ones replaced

Audi A6 in Alberta, Canada Mar 2009 - May 2010
Oct 2009 75320 mi C $300	Oxygen sensor.
Jan 2010 77280 mi C $300	Leaking windshield washer fluid tank.
Feb 2010 77580 mi C $300	Leaking coolant hose.
May 2010 79360 mi	Sold with front passenger side rattle and sqeak that's not noticeable when car is cold but gets loud after car warms up, about 30 minutes.

Audi A6 in Michigan, United States Aug 2011 - Jun 2013
Jun 2013 186000 mi US $800	Camshaft bearing seal failing. Oil saturation of the timing belt required its replacement also. Felt that as long as that was being done might as well replace the water pump.

Audi A6 in British Columbia, Canada Jun 2011 - Jun 2012
Aug 2011 69800 mi C $1500	Emissions: Replace left side catalytic converter Replace timing belt etc

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Audi A6 in Minnesota, United States Jan 2010 - Jul 2018
Dec 2014 216000 mi US $1500	replaced worn ball joints and upper/lower control arms on the front end
Mar 2015 218000 mi US $1860	head and valve gaskets

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Audi A6 in Colorado, United States Dec 2008 - Mar 2010
Jan 2009 156000 mi US $2100	Timing belt and all associated accesories replaced, new secondary air injection pump installed, egt sensor replaced (under warranty, it failed due to secondary air injection pump failure), spark plugs replaced. Car was towed due to engine flooding.

Audi A6 in Illinois, United States Jan 2009 - Mar 2010
Jul 2009 114000 mi US $700	Air pump failed causing vehicle to overheat.

Audi A6 in District of Columbia, United States Sep 2007 - Mar 2010
Jan 2008 88000 mi US $620	Car smoking heavily from tailpipes on startup; engine misfiring, required tuneup and other engine tweaks.
May 2008 88000 mi US $3500	Engine had fuel injection problems. Front suspension boots needed to be replaced.

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Audi A6 in Alberta, Canada Aug 2009 - Oct 2010
Oct 2010	The vehicle started leaking oil from the head gasket, check engine light (misfire) indicated a problem with the valves not seating properly, loss of compression in two cylinders. Total estimated cost for this and other problems $12,000. Traded car. the transmission fluid was changed earlier in an attempt to resolve the jerky downshift-- as the vehicle slowed to a stop. This did not resolve the problem, suggesting that it was something more major. Needed new airbag module. Needed new ABS module.

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Audi A6 in Illinois, United States Aug 2009 - May 2011
Dec 2009 87000 mi US $1800	Timing belt, water pump
Oct 2010 93500 mi	CV boot let go and both CV joints were replaced.
May 2011 98000 mi	When traded...O2 sensor malfunctioning despite all 4 sensors changed in 80K miles leading to appalling gas milage (10 in town, 18 highway) 2.8L engine slowly burning oil dashboard LCD completely fading, driver’s side window actuator malfunctioned, rear passenger window childlock malfunctioned (rear passenger controls doesn’t work, driver controls work), Auto dimming mirror leaking fluid.

Audi A6 in Washington, United States Feb 2009 - Mar 2010
May 2009 125000 mi US $190	Both tie rod ends were bad. Replaced them myself and took to a shop for an alignment.

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Audi A6 in Massachusetts, United States Jan 2009 - Mar 2009
Feb 2009 72000 mi US $600	ABS warning light was on - needed to replace ABS sensor. Check engine light on - sensor that controls spark plugs replaced.

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Audi in Colorado, United States Dec 2011 - Aug 2013
Feb 2012 155000 mi US $350	Fuel pump cracked and needed to be replaced. Front right axle was replaced due to excessive wear.

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Audi in Massachusetts, United States Sep 2012 - Nov 2013
Apr 2013 222500 mi	Low Oil Pressure lamp came on. Engine began to clatter. Shut off and towed to shop. Maybe bad oil pump. Have not decide to whether to make repair or not. May just try removing oil pan and cleaning oil pick-up. Engine may be sludged up.
Jun 2013 225000 mi US $200	Engine misfires badly. Replaced plugs and wires. Runs much more smoothly. Discovered leaking valve cover gasket. Did not fix. Car too old.
Nov 2013 227000 mi	The motor slowly ran rougher again then it sprung a leak in the brake line. Scrapped vehicle with 235,000 miles. Engine running roughly. Valve cover gasket leaking. Leaky and loud exhaust noise. Front end noise that sounded bad. Rattles.

Audi in California, United States Dec 2009 - Jan 2011
May 2010 122700 mi US $400	Driver side drive axle.

Audi in New Hampshire, United States Feb 2013 - Mar 2014
Jun 2013 133000 mi US $185	New plugs installed. After a timing belt service, they never checked the plugs so it was misfiring soon after, so now its fixed. There is a abs light, which I think is a loose wire, but im not fixing that.
Nov 2013 142400 mi US $400	A pulley seized and snapped the main belt and I lost power steering.
Jan 2014 146800 mi US $330	The driver side front axle needed to be replaced. The back latch will not shut on the wagon.

Audi in Texas, United States Dec 2010 - Aug 2011
Jan 2011 149000 mi US $200	Headlight washer pump failed. Grommets leaking. Interior door grab handle broke.
Feb 2011 150000 mi US $100	Rear wiper nozzle corroded. Had to order an expensive repair kit from the dealer. Design flaw, causes failure to clean rear window and decreases visibility dramatically.
Apr 2011 150000 mi US $25	Rear differential seal was leaking. Had to remove rear axle to access differential. Replaced seal. Still possibly need an alignment $$ due to loosening of suspension components.
Jun 2011 151000 mi US $5	Hose to rear window wiper failed at the hinge and was letting fluid into the car. Found a suitable replacement part at a home improvement store. So far so good.
Jul 2011 151000 mi US $100	Replaced coolant overflow tank because the old one had a crack that a previous owner tried to glue back together.
Aug 2011 151000 mi US $15	This car's rubber braided hoses have all failed. I replaced all that I could get access to. A check engine light indicated knock sensor issues and Secondary Air Intake insufficient flow. Could not find the cause of the problem in time before someone purchased the car from me.

Audi in Colorado, United States Nov 2012 - Dec 2012
Dec 2012 187000 mi US $3100	Ball joints and tie rod end were worn out and need replacing

Audi in Pennsylvania, United States Sep 2014 - Dec 2014
Nov 2014 165000 mi US $1250	Replaced 2 coil packs on cylinders 3 and 4 for consistent misfiring issues.

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Audi in Colorado, United States Oct 2009 - May 2012
Nov 2009 125000 mi US $110	Wiring harness under driver's seat wore and caused windows, sunroof, power seats to fail. Dealer figured it out quickly and repair was cheap...
May 2012 142000 mi US $400	Cylinder 6 was not always firing... Had a new wiring harness put in... runs well now. Passenger side control arms were replaced...

Audi in Texas, United States May 2009 - Jun 2011
Jun 2009 111000 mi US $190	A/C needed recharge and a A/C related filter replaced
Sep 2010 116000 mi US $475	repaired rear main seal on transmission

Audi in Connecticut, United States May 2009 - Sep 2011
Sep 2011 107000 mi	Car bit the dust in recent rainstorm after rainwater somehow got into the floor behind the driver's seat. Car starts right up, but the already lousy electrical system is even more messed up. No remote locks. Power windows inoperable. Car is being junked.

Audi in Colorado, United States May 2009 - Oct 2010
Jun 2009 78000 mi US $381	Replaced a leaking passengers side engine mount. The mount replaced was new in April of 2009. Parts supplier warranty'd, I paid shipping. While replacing the engine mount again, I noticed the waterpump was leaking - coolant down the front & onto oil pan. Replacing the waterpump forced the full timing belt job, which the car was due for anyway.
Jul 2009 78000 mi US $300	drivers side seal on power steering rack began leaking considerably right after waterpump/timing belt job last month. Replaced steering rack with rebuilt unit.
Dec 2009 81000 mi US $52	Pass. front door would not latch closed in temp's below freezing. The microswitch was also broken. Attempted to remove & clean/lube but the offending mechanism is inaccessible-unsuccessful. Replaced latch with used unit from '04 model A6. replaced rear hatch lift struts
Jan 2010 81000 mi US $46	Front/Rear window squirter pump began leaking. Replaced pump & grommet.
Aug 2010 85300 mi	trans.fluid/filter change - preventative. also changed engine oil, discovered & repaired a leaking power steering hose Sunroof switch disassembled & cleaned. Roof would sometimes not close and most recently opened on it's own. Also, repaired cruise control module - re-soldered connections C7, C9, C11 on module circuit board.

Audi in Pennsylvania, United States Jun 2009 - Jun 2011
Mar 2010 180000 mi US $800	Front suspension joints worn on passenger side, some wear on driver side. Repair: Front suspension arms replaced.
Jun 2010 184000 mi US $1500	Oil leak. Replaced seals and flange at front of engine

Audi in Ontario, Canada May 2009 - Sep 2010
Oct 2009 63240 mi	Bulb replaced. Took about ten minutes.

Audi in Ohio, United States Sep 2009 - Mar 2010
Oct 2009 81000 mi US $150	Replace front lower rear CA Replaced both rear Brake Calipers, passenger rear was leaking fluid around piston seal Replaced tie rod end on Passenger side
Jan 2010 91000 mi US $36	The car would not start. Diagnosed (audi forum) the problem to be the Engine coolant temp sensor. Replaced the sensor. added fluid to replace fluid lost during work.

Audi in New York, United States May 2009 - Nov 2010
Mar 2010 161000 mi US $1400	Repair ball joint and CC joint boots. Repair front right blinker socket.

Audi in California, United States Sep 2010 - Oct 2011
Oct 2010 107000 mi US $120	ABS Module Failed. Had it repaired.
Nov 2010 108000 mi US $80	Noise from stationary steering. Both outer Tie Rod End replaced.

Audi in Ohio, United States Jul 2017 - Jul 2018
May 2018 119502 mi US $504	Replace Front Rotors and Calipers

Audi in Connecticut, United States Jun 2017 - Jun 2018
Feb 2017 165000 mi US $303	Engine started running rough while driving at speed. Loss of compression no. 5 cylinder = Replaced broken intake valve spring.
Aug 2017 167000 mi US $160	Abnormal tire wear,left side. Replaced entire front suspension and outer tie rod ends, lt. frt. wheel bearing,excluding struts.
Mar 2018 171000 mi US $450	Replaced transmission

Audi in North Carolina, United States Dec 2009 - Apr 2011
Jan 2010 154000 mi US $100	150k service items: Air filter, fuel filter, selected vacuum lines, spark plugs. Noticed valve cover gaskets need to be replaced (not urgent)
Nov 2010 162000 mi US $800	Engine mounts, all three.

Audi in Minnesota, United States Nov 2009 - Mar 2010
Dec 2009 157000 mi US $3500	Timing belt tensioner broke and caused bent valves, etc. Replaced engine. Cause was previous owner not replacing tensioner during first/previous timing belt change.

Audi in Michigan, United States Oct 2009 - Jun 2011
Nov 2009 146000 mi US $300	Cam chain tensioner oil seals leaking. Smoke entering passenger cabin. Valve cover gasket leaking oil. Smoke entering passenger cabin. Central Locking System shorting and blowing fuse. Ashtray LED was melted and causing short.
Nov 2010 164000 mi US $100	Flex pipe before CAT broken at bellows. Engine coolant temp sensor bad and replaced.

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Audi in Wisconsin, United States May 2011 - Apr 2012
Oct 2011 129000 mi US $2000	Replaced tie rods. Replaced cv boots.

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Audi in Nevada, United States Dec 2010 - May 2013
Nov 2011 131000 mi US $450	driver side window wouldnt go back up
Dec 2011 131000 mi US $400	window would no longer go up or down
Nov 2012 139400 mi US $1100	gaskets, some wiring, cant even remember it all number of things
May 2013 149000 mi	Needed everything shocks to struts

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Audi in Georgia, United States Dec 2011 - Oct 2012
Mar 2012 194000 mi US $900	A series of spots on roof and trunk where paint failed.

Audi in Massachusetts, United States Dec 2012 - Apr 2013
Jan 2013 125800 mi US $300	Broken front lower control arm replaced front axle broke as a result of broken front control arm
Apr 2013 130000 mi US $100	Replaced clogged crankase breather hoses - PCV valve - and suction valve.

Audi in Alaska, United States Feb 2013 - Mar 2013
Mar 2013 89000 mi US $500	upper control arms replaced. the arms were not engineered correctly as oem.

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Audi in Hong Kong, China Aug 2011 - May 2013
Oct 2012 82760 mi $950	Cam belt, water pump, steering pump replaced. Wheel bearings replaced. CV joints replaced.

Audi in Washington, United States Jun 2009 - Aug 2010
Jul 2009 202000 mi	Ignition switch was broken. Plastic portion of switch was broken. ABS brake module light came on. Sent to shop for rebuild. Airbag light was on. Discovered connector was unplugged when removing steering wheel to fix broken ignition.
Oct 2009 204000 mi US $20	Pixels in Dashboard display not working properly.
Mar 2010 208000 mi US $55	Instrument panel sent to repair shop for pixel display repair. Re-installed after instrument panel repaired. Passenger side window would not go up. Dismantled door amd replaced window guides. I noticed that window cables had come off pulleys. Re-aligned cable and installed new cable guides.

Audi in New Jersey, United States Dec 2010 - Jan 2011
Jan 2011	Would not start more than 75 percent of attempts. Among parts replaced in attempt to fix: ECU, many sensors and relays, ignition switch, coil pack, upper wiring harness.

Audi in California, United States Dec 2010 - May 2013
Jan 2011 143000 mi US $1000	thermostat frozen shut, car overheated. r/r timing belt, water pump, thermostat, tensioner, etc
May 2011 147300 mi US $3400	Torque converter lost seal and all transmission fluid. Replaced with used transmission.
Aug 2012 152200 mi US $1000	New drive shaft. Replace radiator hoses. Replace PCV tubing. Tighten loose front calipers.

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See TrueDelta's information for all Sedans and Wagons.

See TrueDelta's information for all Audi models.

Audi A6 / S6 / RS6 repairs by problem area

Audi A6 / S6 / RS6 repair cost distribution

2021 Audi A6 / S6 / RS6 4dr Sedan

2019 Audi A6 4dr Sedan

2018 Audi A6 / S6 4dr Sedan

2018 Audi A6 / S6 4dr Sedan

2017 Audi A6 / S6 4dr Sedan

2017 Audi A6 / S6 4dr Sedan

2017 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2016 Audi A6 / S6 4dr Sedan

2015 Audi A6 / S6 4dr Wagon

2015 Audi A6 / S6 4dr Sedan

2015 Audi A6 / S6 4dr Sedan

2015 Audi A6 / S6 4dr Sedan

2015 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2014 Audi A6 / S6 4dr Sedan

2013 Audi A6 / S6

2013 Audi A6 / S6 4dr Wagon

2013 Audi A6 / S6 4dr Sedan

2013 Audi A6 / S6 4dr Sedan

2013 Audi A6 / S6 4dr Sedan

2013 Audi A6 / S6 4dr Sedan

2013 Audi A6 / S6 4dr Sedan

2012 Audi A6 4dr Wagon

2012 Audi A6 4dr Wagon

2012 Audi A6 4dr Sedan

2012 Audi A6 4dr Sedan

2012 Audi A6 4dr Sedan

2012 Audi A6 4dr Sedan

2011 Audi A6 / S6

2011 Audi A6 / S6 4dr Wagon

2011 Audi A6 / S6 4dr Sedan

2010 Audi A6 / S6 4dr Wagon

2010 Audi A6 / S6 4dr Sedan

2010 Audi A6 / S6 4dr Sedan

2010 Audi A6 / S6 4dr Sedan

2009 Audi A6 / S6 4dr Sedan

2009 Audi A6 / S6 4dr Sedan

2008 Audi A6 / S6

2008 Audi A6 / S6 4dr Wagon

2008 Audi A6 / S6 4dr Sedan

2008 Audi A6 / S6 4dr Sedan

2008 Audi A6 / S6 4dr Sedan

2008 Audi A6 / S6 4dr Sedan

2007 Audi A6 / S6

2007 Audi A6 / S6 4dr Wagon

2007 Audi A6 / S6 4dr Wagon

2007 Audi A6 / S6 4dr Wagon

2007 Audi A6 / S6 4dr Wagon

2007 Audi A6 / S6 4dr Sedan

2007 Audi A6 / S6 4dr Sedan

2007 Audi A6 / S6 4dr Sedan

2007 Audi A6 / S6 4dr Sedan

2006 Audi A6

2006 Audi A6 4dr Wagon

2006 Audi A6 4dr Sedan

2006 Audi A6 4dr Sedan

2006 Audi A6 4dr Sedan

2006 Audi A6 4-door

2005 Audi A6

2005 Audi A6 4dr Wagon

2005 Audi A6 4dr Sedan

2005 Audi A6 4dr Sedan

2005 Audi A6 4-door

2004 Audi A6

2004 Audi A6 4dr Wagon

2004 Audi A6 4dr Sedan

2004 Audi A6 4dr Sedan

2004 Audi A6 4dr Sedan

2004 Audi A6 4dr Sedan