

Engine (52%)
Transmission and Drivetrain (16%)
Brakes and Traction Control (6%)
Suspension and Steering (13%)
Electrical and Air Conditioning (8%)
Paint, Rust, Leaks, Rattles, and Trim (1%)
Other (5%)
$2500+ (4%)
$1000 - $2499 (19%)
$500 - $999 (20%)
$100 - $499 (33%)
< $100 (24%)
Engine not specified
Audi A6 / S6 in British Columbia, Canada Jul 2009 - Mar 2010 | |||
Aug 200986800 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 2013133000 miUS $5000 | Transmission slips. Transmission was replaced. |
Audi A6 / S6 in California, United States Dec 2011 - Jan 2012 | |||
Jan 2012US $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! |
Audi A6 / S6 in Massachusetts, United States Apr 2015 - Apr 2015 | |||
Apr 2015173000 miUS $1300 | Replacement of the PLASTIC pipe that carries coolant to the rear of the engine. |
340-horsepower 4.2L V8 5-speed shiftable automatic AWD
Audi A6 / S6 in District of Columbia, United States Oct 2009 - Dec 2010 | |||
Aug 201076900 miUS $350 | Both mufflers replaced, one under Midas warranty. |
Audi A6 / S6 in Colorado, United States Nov 2008 - Jul 2018 | |||
Dec 200876500 miUS $13 | drivers side outer CV boot rupture. Replaced with mcquay-norris boot kit from local auto parts store for $13. owner replaced. | ||
May 200979000 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 200979000 mi | loose catalytic converter element on passengers side replaced under original factory warranty (10yr/100k miles for S6) | ||
Dec 200980000 miUS $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 201082000 miUS $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 201185000 mi | Original Battery replaced | ||
Feb 201286000 miUS $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 201288900 miUS $500 | Replaced upper control arms with adjustable arms to correct front wheel camber to within mfg. specs. | ||
Dec 201291000 miUS $87 | Replaced the heated/auto dimming mirror glass - original unit leaked/turned brown. | ||
Jan 201392000 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 201699000 miUS $100 | Secondary air injection pump bearing noisy/failed. Removed large fuse in ECU box. Manually set readiness | ||
Apr 2018104000 miUS $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 |
Audi A6 / S6 in Florida, United States Oct 2009 - Sep 2013 | |||
Aug 201065000 miUS $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 201071000 miUS $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 201288800 miUS $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 201395800 miUS $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 2011130000 miUS $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 2011131700 miUS $33 | replaced right front outer tie rod end, DIY, less than an hour, part bought on internet for $33 | ||
Jun 2012139000 miUS $25 | Water Temp Sensor failed, replaced myself. | ||
Nov 2012145300 miUS $700 | Upper Control arms, tie rods,front brakes | ||
Jun 2013148000 miUS $300 | Right Rear wheel bearing | ||
Jul 2013148800 miUS $1000 | Bad AC Clutch, replaced with new compressor, drier etc and replace comfort control module. | ||
Dec 2013155000 miUS $160 | Cooling system return line broke at fitting behind reservoir | ||
Mar 2014157000 miUS $520 | Serpentine belt tensioner replaced. | ||
May 2014158000 miUS $59 | Driver door latch cable broke. | ||
Aug 2014160100 mi | Replaced electric condenser cooling fan | ||
Sep 2016180000 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 Oregon, United States Feb 2011 - Feb 2015 | |||
Sep 2011124000 miUS $575 | Oil leak near rear main seal. Resealed upper oil pan. Looks okay for now. | ||
Jan 2012145000 miUS $875 | replaced front oxygen sensors, $575 replaced leaking left side transzxle oil seal at drive axle, $300 flange. had noticed burning smell. | ||
May 2013144300 miUS $130 | oil leak | ||
Sep 2013145000 miUS $600 | Replacement |
Audi A6 / S6 in Washington, United States Jun 2008 - Sep 2012 | |||
Mar 200985000 miUS $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 200986000 miUS $200 | Replace front control arms due to age/wear of suspension bushings | ||
May 200986000 miUS $6 | cracked vacuum lines for Secondary Air Injection system caused CEL to come on | ||
Sep 2010102000 mi | Failing clutch pack in automatic transmission. On hold while we research solution options (shop repair, self repair, convert to manual transmission) | ||
Mar 2011105000 miUS $4000 | Automatic transmission clutch basket failure | ||
Jul 2012113200 miUS $4100 | Defective electric fans and controller, stuck thermostat |
Audi A6 / S6 in California, United States Sep 2010 - Jul 2012 | |||
Jan 201195000 miUS $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 2011104000 miUS $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 Minnesota, United States Sep 2009 - Nov 2009 | |||
Nov 2009110000 mi | Needed a new catalytic converter when sold. |
Audi A6 / S6 in Florida, United States Oct 2007 - Mar 2012 | |||
Nov 200748000 miUS $200 | Mass air sensor problem. Audi paid for the part, I paid for the installation | ||
Dec 200748000 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 200851000 miUS $130 | CV boot split and was replaced. | ||
Jun 200852000 mi | Door pocket flaps were broken on both front doors. Repaired by dealership at no cost | ||
Nov 200853000 miUS $1700 | Thermostat went so also replaced water pump, timing belt, serpentine belt, tension rollers, expansion tank which had cracked. | ||
Jan 201058000 miUS $100 | left front rubber front drive shaft boot replaced | ||
Jun 201059000 miUS $1600 | Right front CV boot replaced and seal on quattro differential to the rear of transmission. Noticed leaking oil. | ||
May 201165300 mi | Right front passenger window would not go up all the way. Lubricated tracks | ||
Dec 201167000 miUS $500 | Replacesd valve cover gasket which was leaking |
Audi A6 / S6 in New Jersey, United States Jan 2007 - Jun 2018 | |||
Feb 200748000 miUS $50 | Heated seat element replacement. Audi does nto provide the total cost, but it was large. I paid only $50 deductible | ||
Mar 200749000 miUS $265 | Torn CV boot replaced. Driveable but would have resulted in permanent damage to joint. | ||
Jun 200750000 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 200753000 miUS $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 201067000 miUS $150 | clamps and tubing connecting cats to mufflers rusted away and was replaced with new. | ||
Dec 201068000 miUS $300 | Sun visor broke, Had to be replaced, as well as securing clip. | ||
Jan 201170000 miUS $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 201172000 miUS $511 | right front wheel bearing making significant noise | ||
Aug 201281700 miUS $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 201493900 miUS $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 201596000 miUS $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 201596200 miUS $200 | Diagnosed and replaced LF upper control arm. | ||
Mar 201699000 miUS $15 | Replaced worn out (torn) vacuum lines that caused a CEL. | ||
Sep 2016100000 miUS $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 2018105000 miUS $500 | wheel bearings replaced, slight movement and noise detected | ||
May 2018105000 miUS $200 | two upper control arms replaced. Slight movement and noise. Known to have short life. |
220-horsepower 3.0L V6 5-speed shiftable automatic AWD
Audi A6 / S6 in Tennessee, United States Sep 2010 - Mar 2011 | |||
Oct 2010112000 miUS $180 | two vacuum leaks: one hose and a 'nipple' broken off manifold changeover valve. | ||
Nov 2010113000 miUS $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 Minnesota, United States Jun 2013 - May 2014 | |||
Dec 2013105000 miUS $500 | Oil leak from head gaskets. | ||
Feb 2014106000 miUS $520 | Oil leak from filler cap. Replaced Breather valve(PCV) and hoses. | ||
May 2014109000 mi | Bunch of misfires. O2 sensor light came on and stayed on. |
Audi A6 / S6 in Massachusetts, United States Apr 2008 - Oct 2009 | |||
Jul 200889000 miUS $1500 | Catalytic converter | ||
Apr 2009103000 miUS $75 | Brake light switch | ||
Jun 2009105000 miUS $85 | Flasher relay | ||
Oct 2009106000 mi | Back window washer was getting no water. |
Audi A6 / S6 in Washington, United States Mar 2011 - Feb 2012 | |||
Oct 2011110000 miUS $1500 | ABS Pump/Module failure and one wheel sensor. Parts replaced and warning code cleared. |
turbocharged 250hp 2.7L V6 6-speed manual AWD
Audi A6 / S6 in Maryland, United States Feb 2010 - Jun 2018 | |||
May 201091000 miUS $400 | Check Engine Light for rich air/fuel mixture. Was caused by a faulty part and associated sensors. | ||
Sep 201094000 miUS $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 2011102000 miUS $850 | Developed exhaust leak behind (after) cats. Entire cat-back (pipes, resonator, mufflers) had to be replaced. | ||
Nov 2011107800 miUS $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 2012116000 miUS $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 2012117000 miUS $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 200886000 miUS $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 200891000 miUS $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 200555000 miUS $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 200669000 miUS $820 | I had the timing belt done wich included the water pump and all assosciated belts and kits. | ||
Mar 200773000 miUS $250 | Unfortunetly a wheel bearing went. Needed to repair the wheel bearing and potentially the brakes. Will update it when I complete the repair. |
turbocharged 250hp 2.7L V6 5-speed shiftable automatic AWD
Audi A6 / S6 in Florida, United States Oct 2009 - Mar 2010 | |||
Dec 200981000 miUS $488 | Leaking cam seals. Brake booster hose replaced. |
Audi A6 / S6 in Utah, United States Nov 2013 - Mar 2015 | |||
Sep 2014175000 miUS $35 | Replaced speed sensor and changed transmission fluid. |
Audi A6 / S6 in Wyoming, United States Sep 2010 - Mar 2011 | |||
Feb 201199000 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 Pennsylvania, United States Feb 2011 - Sep 2013 | |||
Mar 2011111000 miUS $300 | Egt sensor replaced, air leak fixed Exhaust gas temperature sensor replaced, small vacum leak fixed | ||
Jun 2011115000 miUS $200 | Clip broke off from one of the coolant lines, coolant leaked out everywhere, also had to replace thermostat (sensor) | ||
Nov 2011116800 miUS $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 Illinois, United States Nov 2010 - Oct 2012 | |||
Feb 201143600 miUS $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 201250000 miUS $300 | axle grommet | ||
Oct 201255000 miUS $400 | mass airflow meter |
Audi A6 / S6 in Washington, United States Jan 2007 - Dec 2018 | |||
Dec 200767000 miUS $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 200870000 miUS $950 | After run coolant pump replaced. Replaced broken Alarm Sensor disable switch. | ||
Jul 200871000 miUS $590 | Main vacuum line was improperly reinstalled during last repair, which then broke while driving, resulting in rough idle and engine misfire. | ||
Dec 200879000 miUS $1200 | Both cats replaced due to faulty repair problem reported in July. CV Boot replaced Rear differential fluid leak - replaced seal and fluid. | ||
Mar 201097000 miUS $1575 | Replaced alternator and battery - complete electrical failure. | ||
Dec 2010105000 miUS $3300 | Oil leaking from turbo seals | ||
Sep 2011115000 miUS $1345 | Fixed leaky front differential Fan motor failed, fan was replaced | ||
Dec 2011120000 miUS $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 2012126000 miUS $560 | Gasket leak caused engine to misfire. replaced gasket, cleaned the oil from the cylinder and replaced 3 spark plugs. | ||
Jun 2012129000 miUS $1089 | Car developed a whine in the drivetrain. Replaced CV boot on front left and wheel bearings on front right. | ||
Aug 2015138000 miUS $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 2016139300 miUS $1050 | Replaced torn CV boot on front axle. | ||
Feb 2017141000 miUS $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 New Hampshire, United States Dec 2008 - Jul 2018 | |||
Aug 200888000 miUS $650 | repair AC leak | ||
Nov 200998000 miUS $2000 | outer CV joint boots, right valve cover gasket,rear transfer case seal, Front brakes inc. rotors, service transmission, service final drive system. | ||
Oct 2010111000 mi | They had to get the directionals fixed, not sure if it was bulbs or a flasher but it was very inexpensive. | ||
Jun 2012129000 miUS $210 | replace rear axle seals | ||
Dec 2012132000 miUS $25 | windshield wiper stems/shafts were seized the lubricant had dried up and hardened. Wiper mechanism was removed cleaned and relubricated | ||
Jun 2013134000 miUS $400 | center muffler in the exhaust had corroded so the hangers failed. I replaced the center muffler | ||
Oct 2015149000 miUS $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 Pennsylvania, United States Aug 2009 - Aug 2011 | |||
Jun 201199000 mi | Replaced front right CV Joint and boot. |
Audi A6 / S6 in New York, United States Mar 2009 - Feb 2011 | |||
Apr 200993000 miUS $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 200994000 miUS $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 Texas, United States - Feb 2009 | |||
May 200755000 miUS $86 | (DIY) broken seat belt latch necessitated replacement. | ||
Dec 200875250 miUS $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 200975500 miUS $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 Missouri, United States Feb 2008 - Sep 2012 | |||
Mar 200879000 mi | Broken headlight washer valve resulting in leaking washer fluid. Must refill once a week. | ||
Mar 200995000 miUS $1200 | Washer nozzle assembly. Water pump, tensioner. | ||
Jun 200997000 miUS $250 | 1 bank of coils (3 coils) went out. | ||
Jul 2011122000 miUS $1280 | Aux water pump failed due to crack. Replaced pump. | ||
Jul 2012135000 miUS $800 | Aux fan broken and needed repair. Aux fan control module needed replacement. |
Audi A6 / S6 in Ontario, Canada Oct 2014 - Jun 2017 | |||
Aug 201575000 mi | Shocks worn out replaced them and new sport springs | ||
Feb 201679980 miC $300 | clock spring inside the steering wheel | ||
Mar 201680600 miC $90 | Relay for the turn signals | ||
Apr 201681300 miC $600 | Lower control arm bushings | ||
Jun 201683700 miC $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 201688080 miC $200 | Self level headlight control | ||
May 201794860 miC $2100 | complete steering rack replaced - boots started filling and then leaking |
300-horsepower 4.2L V8 5-speed shiftable automatic AWD
Audi A6 / S6 in Texas, United States Aug 2010 - Dec 2015 | |||
Jun 2011126000 miUS $2000 | Oil leak and small hole in oil pan. AC blower motor failed. Noisy power steering pump. Headlight switch nob broke. | ||
Jun 2013150000 miUS $350 | Vacuum hose replaced to address check engine light. |
Audi A6 / S6 in Washington, United States Apr 2008 - Apr 2015 | |||
Aug 2009101000 miUS $1000 | Rear Caliper became defective. Torn Boot. Replaced both calipers as well as rotor and pads. | ||
Sep 2009104000 miUS $415 | Intake Manifold - Free Up IMT Valve Shafts, replaced worn vacuum hoses Replaced leaking expansion tank | ||
Jun 2010111000 miUS $1000 | replaced O2 sensors and purge valve. Changed oil also | ||
Nov 2010116000 miUS $600 | Oil cooler seals and transfer pipe. Parts $105 Labor $495 | ||
Feb 2011119000 miUS $225 | Tie Rod with Rubber Dampening replaced right side. Excessive play in old tie rod, but not bad for 120K Miles | ||
May 2011123000 miUS $1600 | Replaced Four Upper Control Arms with Ball Joint and Bushings. Aligned afterwards | ||
Aug 2011127000 miUS $1278 | Coolant sensor defective. Caused minor starting problem associated with computer thinking the engine was overheated. | ||
Jun 2012137000 miUS $1320 | Right and Left Outer Tie Rods were worn with significant play Replaced Serpentine Belt | ||
Dec 2013154000 miUS $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 2014158300 miUS $330 | Replaced bad Secondary Air Pump pipe | ||
Oct 2014160200 miUS $150 | Transmission is toast. slipping gears. only solution is new transmission | ||
Apr 2015161000 mi | Car sat all winter, then was sold with the transmission still slipping. |
Audi A6 / S6 in California, United States Nov 2008 - Jan 2013 | |||
May 2010104000 miUS $624 | replaced O2 sensor coolant container was cracked and replaced right front outer cv boot was cracked and replaced | ||
Jul 2010107000 miUS $1835 | Thermostat failed - replaced tstat, water pump seeping - replaced timing belt, serpentine belt, water pump, | ||
Jan 2012124000 miUS $200 | replaced seeping valve cover gaskets replaced turn signal relay | ||
Jan 2013140000 miUS $125 | O2 sensor showed fault code. CEL went out and has not returned. |
Audi A6 / S6 in Washington, United States Apr 2009 - Jun 2018 | |||
May 200966300 miUS $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 201293700 miUS $550 | Transmission fluid change. Driveshaft tail seal minor leak since March 2011, finally had it replaced. | ||
Oct 2015105000 miUS $985 | Secondary air pump required replacement along with some associated vacuum lines. | ||
Apr 2018115000 miUS $1800 | Coolant expansion tank cracked Replaced CV boots |
220-horsepower 3.0L V6 6-speed shiftable CVT FWD
Audi A6 / S6 in Denmark - Apr 2002 | |||
Apr 2002105400 mi$260000 | a lot ! |
220-horsepower 3.0L V6 5-speed shiftable automatic AWD
Audi A6 / S6 in Oregon, United States Dec 2011 - Jun 2013 | |||
Feb 201258400 miUS $397 | warning light came on, replaced the thermostat. warning light came on again, replaced the sensor | ||
Oct 201263500 miUS $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 Maine, United States Jan 2007 - Jun 2018 | |||
Mar 200774000 miUS $1000 | Steering pump replacement Vacuum lines in engine and cooling system leak. | ||
Jun 200982000 miUS $253 | Check engine light was on. Left catalytic converter has a problem. | ||
Apr 201084000 miUS $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 201186000 miUS $150 | CV boot was split | ||
Feb 201398000 miUS $1600 | Also repaired left front CV boot (this one was broken - not preventive). | ||
Jan 201497700 miUS $50 | Air leak into suction hose of power assist unit, made wailing noises in cold weather. | ||
Sep 2015117000 mi | Rear coils rusted out and to be replaced when part arrives next week. | ||
Oct 2015117700 mi | replaced rear coils, don't remember how much it cost | ||
Mar 2016124000 miUS $800 | Replace Valve cover gasket. Also replaced transmission fluid | ||
Dec 2016130000 mi | Rear brake was rubbing, something was frozen. | ||
Jun 2017131000 miUS $2130 | Broken cam gear. Replaced gear, timing and other belts, timing case housing and seals. |
Audi A6 / S6 in Oregon, United States Sep 2016 - Oct 2016 | |||
Sep 2016110000 miUS $800 | Emissions issues, air leaks. Attempted to repair by replacing air hoses but did not resolve. |
Audi A6 / S6 in Illinois, United States Jan 2013 - Dec 2013 | |||
Feb 2013128000 miUS $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 2013132500 miUS $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 2013135000 miUS $2300 | replaced all control arms, all tie-rods, front shocks, motor mounts (3). Valve cover seals. | ||
Dec 2013135000 mi | No oil temp reading. |
Audi A6 / S6 in New York, United States Jan 2016 - Jan 2016 | |||
Jan 2016128000 miUS $1600 | MIL code came bad/malfunctioning TCM or torque converter. Total rebuild plus new torque converter |
Audi A6 / S6 in New Jersey, United States Jul 2014 - Sep 2014 | |||
Jul 201483000 miUS $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 201483700 miUS $111 | Engine light on, Code read camshaft position sensor left side. | ||
Sep 201487000 miUS $650 | CEL came back on . After smoke test it was determined that fuel tank was cracked. Tank replaced |
Audi A6 / S6 in Virginia, United States Feb 2010 - Jul 2017 | |||
Apr 201090500 miUS $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 201093000 miUS $1000 | Replace defective oxygen sensors Replace front axle | ||
Sep 2011103000 miUS $783 | Water pump failure. Replaced water pump and timing belt. Also replaced front engine mount during repair. | ||
May 2012109100 miUS $128 | Replace ignition coil | ||
Sep 2012112000 miUS $300 | Replace rear wheel hub bearing | ||
Sep 2014133000 miUS $1900 | Car jumped into neutral while driving, safe mode. Transaxle & Transfer Case replaced. | ||
Apr 2015139500 miUS $198 | Replaced front drive axle |
Audi A6 / S6 in North Carolina, United States Aug 2006 - Sep 2016 | |||
May 200637000 mi | Passenger side valve cover Gasket replaced under CPO | ||
Jul 200641000 miUS $75 | Replaced all spark plugs (self) | ||
Aug 200642000 miUS $59 | Drained and flushed complete Brake system. | ||
Sep 200642000 miUS $110 | Drained and flushed complete brake system by dealer including flushing the ABS module, to improve brake pedal modulation. | ||
Feb 200752000 miUS $135 | Both front CV boots torn, replaced by Audi of America under good will, I paid $135, dealer and AOA covered the rest. | ||
Jun 200756000 miUS $50 | Pulley seized causing water pump to blow. Water pump, timing belt and all related items covered under CPO. | ||
Aug 200759000 miUS $50 | A/C blower fan replaced under CPO. | ||
Sep 200865000 mi | Cat Replaced by Dealer under warranty | ||
Oct 200865500 miUS $46 | Drained and flushed power steering fluid | ||
Nov 200867000 miUS $75 | Cat replaced | ||
Feb 201079000 miUS $775 | - Belt tensioner - Hazard switch - Window regulator | ||
Mar 201193000 miUS $157 | Camshaft damaged by a loose spring on driver side. Total damage $3290, warranty covered repair. | ||
Aug 201198000 miUS $377 | Brake booster repair Engine mounts Cam positioning sensor Purge valve clogged |
Audi A6 / S6 in Florida, United States Mar 2009 - Apr 2013 | |||
Nov 2009113000 miUS $80 | Ignition coil replaced less than a hundred miles after the timing belt repair. | ||
Feb 2010120700 miUS $250 | replaced the 5 other ignition coils because of continued problems. Also put in a K&N air filter | ||
Jul 2010134700 mi | Blinkers have stopped working. Relay is suspected although hazards still work. Update: fixed soon after. |
Audi A6 / S6 in Pennsylvania, United States Aug 2008 - Mar 2010 | |||
Aug 2009105000 miUS $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 California, United States Feb 2008 - Mar 2010 | |||
Aug 200856000 miUS $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 200963000 miUS $100 | Thermostat failed in the locked position, causing the vehicle to overheat. Head gasket may be damaged. | ||
Jun 200965000 miUS $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 Colorado, United States Aug 2008 - Apr 2011 | |||
Dec 200858000 miUS $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 201088000 miUS $175 | Coolant leak from a damaged hose. Hose replaced. | ||
Jan 2011102000 miUS $400 | Replaced front left boot. |
Audi A6 / S6 in Florida, United States May 2009 - Jun 2011 | |||
Jun 200958648 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 200961000 miUS $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 Massachusetts, United States Jun 2009 - Sep 2012 | |||
Sep 2009226000 miUS $160 | car not firing on all cylinders, turned out to be a faulty coil. Replaced coil and solved problem | ||
Nov 2009228000 miUS $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 2010231000 miUS $350 | belt tensioner let go, belt no longer attached. Replaced belt and belt tensioner | ||
Jul 2010235300 miUS $110 | oil level sensor failed - display came on noting sensor failure. Part replaced | ||
Jan 2011232800 miUS $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 2011247000 miUS $2200 | Replaced catalytic converters, check engine light now off, car runs great. | ||
Sep 2012259000 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 201086000 mi | driveshaft seal leaking bad left cat |
Audi A6 / S6 in Oregon, United States Dec 2010 - Apr 2013 | |||
Oct 2012169000 miUS $350 | replaced CV joint boot. | ||
Apr 2013175000 mi | Radiator leak. did not fix. |
Audi A6 / S6 in Virginia, United States Nov 2009 - Nov 2013 | |||
Jan 2010104000 miUS $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 2012100000 miUS $1500 | Thrust and control arms in front | ||
Oct 2012102500 miUS $200 | CV boot torn | ||
Apr 2013117700 miUS $220 | Replace torn cv boot | ||
May 2013119000 miUS $520 | Ignition housing broke where key is inserted. Car would not start and had to be towed to repair shop. | ||
Oct 2013124000 miUS $657 | Misfiring badly. Needed new crankcase ventilation valve and plugs. Still runs a little rough at idle, but no codes! | ||
Nov 2013124000 mi | Misfire returned a few weeks later. Mechanic suggested ditching it. |
Audi A6 / S6 in Minnesota, United States Jan 2007 - Oct 2019 | |||
Oct 200872000 miUS $540 | CV Joints (both) were shot and had to be replaced. | ||
Sep 201299000 miUS $212 | Engine temp sensor leak (coolant leak) | ||
Mar 2013102000 mi | Check engine light reset, pre-cat converter fault | ||
Aug 2013104000 mi | Check engine, suspect catalytic converters, reset check engine | ||
Oct 2013105000 miUS $2010 | Catalytic Converter replaced (both) | ||
Feb 2015111000 miUS $171 | Coolant temp sensor orang leak. | ||
Apr 2015112200 miUS $1100 | Water pump went out, pushed into timing belt, replaced pump, idlers and timing belt | ||
Nov 2015114000 mi | replaced passenger side CV Joint/boot | ||
Feb 2016114000 miUS $420 | Serpentine belt tensioner failed, had to replace tensioner and belt. | ||
Aug 2016116300 miUS $890 | Replaced windshield washer fluid tank and hoses. replaced driver side headlight height adjustment control arm. was squeaking when going over bumps. |
8-cylinder automatic AWD
Audi A6 / S6 in California, United States Jan 2007 - Mar 2010 | |||
May 200748000 miUS $160 | DS outer CV boot leak... replace. | ||
Oct 200750000 miUS $195 | Expansion coolant tank cracked and coolant leaked. |
10-cylinder automatic AWD
Audi A6 / S6 in Nevada, United States Feb 2007 - Mar 2010 | |||
Jun 200764000 miUS $300 | Knock sensor and Air pump for secondary air went out. I buy parts wholesale so the dollar value is low. | ||
Feb 200874000 miUS $300 | Replaced upper control arms due to vibration. |
Engine not specified
Audi A6 / S6 in Texas, United States Apr 2012 - May 2012 | |||
May 2012185000 miUS $1000 | Fuel Pump went out and needed to be replace or car will not start. |
turbocharged 250hp 2.7L V6 6-speed manual AWD
Audi A6 / S6 in Connecticut, United States Aug 2008 - Mar 2010 | |||
Sep 200873000 miUS $700 | Upper and lower control arms. | ||
Mar 200978000 miUS $600 | Secondary water pump. LCD in cluster. Torn boot on turbo duct. | ||
Jun 200981000 miUS $350 | Failed Bank 1 EGT sensor |