2006 Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2006

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2006 Audi A4 / S4 / RS4 repairs by problem area

Engine (54%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (4%)

Suspension and Steering (8%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (4%)

Other (4%)

Chart based on 785 repairs.

2006 Audi A4 / S4 / RS4 repair cost distribution

$2500+ (4%)

$1000 - $2499 (25%)

$500 - $999 (23%)

$100 - $499 (44%)

< $100 (5%)

Chart based on 248 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Audi A4 / S4 / RS4 repair histories. Log in or join us to see them all.

2006 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

Audi S4 in British Columbia, Canada
Jul 2007 - May 2009
Jan 2008

23560 mi
BURNING A LOT OF OIL, DEALER WANTS TO CHANGE OIL AND WEIGH IT AND THEN TAKE OIL OUT AFTER 1000KMS AND REWEIGH TO DETERMINE HOW MUCH OIL IS BEING BURNED. 
Apr 2008

25420 mi
Part 2 of an oil consumption test to determine how much oil is being consumed. 
Audi S4 in California, United States
Mar 2009 - Nov 2015
Mar 2009

46796 mi

US $175
front turn signal wasn't working. Had socket and bulb replaced. 
Apr 2009

47000 mi

US $175
front turn signal was out. Bulb and socket replaced. 
Jun 2010

57000 mi
clicking noise coming from front of car, ended up being subframe weld problem. Subframe replaced but doing so required alignment (only bit not covered by the warranty). front wheel bearing replaced 
Nov 2010

61000 mi
gas door wouldn't stay closed, replaced actuator 
Apr 2012

77000 mi

US $2000
dying fuel pump 
May 2014

105000 mi
two driving lights were burned out, took over ten minutes window lock broke 
Nov 2015

122000 mi
leaky gasket 
Audi S4 in New York, United States
Dec 2008 - Mar 2012
Mar 2012

69000 mi

US $190
Driver door window regulator failed, could not close window. Dealership said it would take all day to fix, bought part and did it myself. 
Audi S4 in New Jersey, United States
Jan 2009 - Mar 2010
Jul 2009

18000 mi
Also, noted problem with door lock button, shop says "could not duplicate," no action taken. 

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2006 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in California, United States
Nov 2012 - Apr 2016
Jan 2013

80000 mi

US $700
Replaced both worn upper control arm bushings (common repair as these cars age) Replaced cracked coolant overflow reservoir 

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2006 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

Audi S4 in New Jersey, United States
Feb 2011 - Mar 2013
Dec 2011

63000 mi

US $90
Control arm 
Dec 2012

70000 mi
Control arm passenger 
Audi S4 in Washington, United States
- Jan 2010
Jan 2010

60000 mi

US $90
Passenger side headlight washer cover came off. $30 for part + $60 paint/installation. 

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2006 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in Colorado, United States
Apr 2012 - Mar 2013
Feb 2013

54000 mi

US $160
CD Changer failed. Had to be replaced. 
Audi S4 in Washington, United States
Dec 2015 - Apr 2016
Jan 2016

132700 mi

US $4200
Cam adjusters failed 
Audi S4 in Massachusetts, United States
Nov 2008 - Jan 2013
May 2009

35000 mi
Squeak in driver's seat. 
Dec 2009

43000 mi
Trunk latch mechanism failed and was replaced. 
Oct 2010

55000 mi

US $1800
Power steering failed. Power steering pump and steering rack replaced. 
Sep 2012

75000 mi

US $125
This model has a history of headlight flickering and headlight outages. Sometimes headlight bulb replacement fixes it, sometimes the ballast or other electrical parts need to be replaced. In this case, replacing the bulbs fixed it for now. 
Audi S4 in California, United States
Apr 2011 - Dec 2015
Jul 2014

86300 mi

US $705
Power steering pump leaked out & had to be replaced. Low on freon. Dealer added dye will be back in August to check for leaks. 
Audi S4 in Oregon, United States
Jun 2012 - Aug 2012
Jul 2012

49000 mi

US $384
valve gaskets beginning to mildly seep 
Audi S4 in California, United States
Mar 2010 - Jun 2011
Dec 2010

77000 mi
Ignition coils failed, replace under factory campaign they were paid by Audi $138.  Also notified me that the serpentine belt was cracked and needed replacement and front suspension bushing was cracked. They wanted $1200. I bought the belt. 
Audi S4 in Pennsylvania, United States
Aug 2010 - Dec 2015
Nov 2012

95000 mi

US $440
Replaced passenger window regulator 
Dec 2012

96000 mi

US $1800
Relined clutch Valve cover gasket replacement 
Sep 2013

105000 mi

US $85
HID headlights go bad far too often. Replace right dipping light. Most of the work is getting the airbox out of the way. 
Jan 2014

111000 mi

US $1050
Fuel pump failed. Something was making strange noises for a month or so. Determined it was the fuel pump after it failed. Car is quiet now. 
Oct 2014

121300 mi

US $320
Changed PCV due to high oil usage (no leaks or exhaust smell??) Tires, and wheel alighnment. Alignment only slightly out since car was manufactured. 
Feb 2015

126000 mi

US $1700
Window mechanism frozen. Coolant hose leaking Fuel pump squealing 
Oct 2015

134000 mi

US $350
Tie rod worn causing tires to begin cupping. Had no apparent impact on drivability otherwise. 
Dec 2015

135000 mi

US $100
Display showed coolant level low. Level OK but thermostat was stuck partially open. Replaced 
Audi S4 in California, United States
Jul 2010 - Dec 2011
Dec 2011

74000 mi
rear window child lockout switch; unrepaired (passed on part to new owner) 
Audi S4 in Nevada, United States
Feb 2009 - Sep 2015
Nov 2009

24000 mi

US $3500
Clutch replacement: Blew the clutch due to a missed shift. Clutch became solid link, with shift lever in neutral car ran fine. No other problems. Impressed by transmissions integrity. 
Jul 2012

51700 mi
Brake pad replacement 
Feb 2013

58500 mi

US $1700
Serpentine belt was cracked and showing wear (replaced). Front rubber suspension bushings cracked (replaced). 
Sep 2015

79000 mi

US $200
There are drain tubes in the roof that were clogged. This was causing a leak into the cabin. These drain tubes had to be blown out, which is a service my dealership should have been proving, but wasn't. 
Audi S4 in Illinois, United States
Nov 2010 - Mar 2016
Mar 2011

30000 mi
Drawer under passenger front seat opens when stopping and closes when accelerating. This is second failure of repair. 
May 2011

32000 mi

US $80
Drawer under passenger seat will not stay shut. Third failed attempt at repair. Due to my schedule another repair has not yet been attempted. 
Jun 2012

34000 mi
Passenger seat drawer doesn't latch, 
Mar 2014

35000 mi

US $288
Exhaust pipe brackets failed. 
Audi S4 in New Jersey, United States
Oct 2010 - Dec 2013
Oct 2012

84300 mi

US $600
Broken serpentine belt. 
Audi S4 in Colorado, United States
Oct 2015 - Dec 2015
Dec 2015

83000 mi

US $100
Drivers side Driving Light Bulb harness was shorting out due to wear on the wiring sheath. 

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2006 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

Audi S4 in New Jersey, United States
Sep 2010 - Sep 2011
Jan 2011

50000 mi
Retightened Allen Bolts for Cabriolet Roof Closure. Need to do this about every 3 months 
Sep 2011

56000 mi

US $100
Starter intermittently stopped working. Replaced under copo warranty with $100 deducatable 
Audi S4 in Maryland, United States
Feb 2012 - Oct 2015
Mar 2012

49000 mi
Fuel pump / Fuel filter 
Jul 2012

53000 mi

US $214
Took car in for regular 5K oil / filter change and to reset auto locking/unlocking of doors, but discovered that Upper control arm bushings are failing and will cost $1375.00 to replace 
Dec 2012

59000 mi

US $394
Failure of Front Upper and Rear Control Arms. $ replaced Defective Serpentine Belt 
Apr 2013

64000 mi

US $1400
CV boot tearing, needed replacement Valve cover gasket leaking x 2 Rear Brakes, Pads & Rotors replaced Serpentine belt pulley got stuck, shredded belt partially, but could be freed / lubricated. 
Aug 2013

68000 mi
Failed left front lower / forward control arm 
Jan 2014

73000 mi
Failure of engine mount material Right side auxiliary radiator leaking / failed Lower Radiator hose leaking 
Mar 2015

76000 mi

US $100
Oil filter flange was leaking 
Oct 2015

93000 mi

US $430
Ground strap was coming apart from starter and starter had to be replaced Serpentine belt tensioner failure 

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2006 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in New Jersey, United States
Nov 2010 - Oct 2015
Jan 2011

23000 mi
Ignition coil replaced under notice 
Sep 2011

31000 mi

US $600
Engine mount replacement 
Dec 2012

57000 mi

US $1600
Clutch replacement and brake replacement 
Jan 2013

60700 mi

US $250
Wheel bearing, control arms and sway bar replacement/repair 
Dec 2013

80000 mi

US $2000
replace radio and gps system 
Aug 2014

89000 mi

US $950
cruise control not working 
Oct 2014

90000 mi
Engine oil light would come on in between service visits. Extended warranty doesn't cover diagnostic costs, with dealer decided step 2 of test unnecessary. 

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2006 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

Audi A4 in Illinois, United States
Apr 2009 - Oct 2010
Aug 2009

64000 mi

US $85
noise from HVAC system, replaced vent flapper motor, covered by a TSB Sluggish acceleration, fixed with software reflash 
Feb 2010

69000 mi

US $85
Evaporative System valve replaced 
Jun 2010

75000 mi

US $85
A/C does not adequately cool vehicle.  Navigation / Head unit Cd player inoperative, replaced entire unit. Xenon headlamps flicker randomly, shut off occasionally.  
Sep 2010

77000 mi

US $85
Fuel pump replaced for second time! Headlight failure not fixed - problem is found on ALL internet forums as well as NHTSA website, but dealer claimed, for the fourth time, they could not duplicate. 
Oct 2010

77000 mi
Sold with headlight problem not resolved. 
Audi A4 in New South Wales, Australia
May 2010 - Oct 2012
Nov 2010

50020 mi

A $947
Rocker cam cover gasket leak and air leak causing missing repaired. New coil packs replaced for free under service measure 28E9 and 23D6 campaign. 
Jul 2012

78300 mi

A $3000
Fuel pump cam follower failed damaging the cam shaft 
Audi A4 in California, United States
Sep 2009 - Dec 2011
Dec 2009

58000 mi

US $450
Both engine mounts damaged. One is collapsed, the other is leaking. Certification hassle with my shady dealer. 
Feb 2010

60000 mi

US $85
Broken engine mounts replaced by another, more conscientious dealer. 
Audi A4 in California, United States
Jul 2009 - Jun 2011
Dec 2009

60000 mi

US $120
Wiring harness for turn signal needed to be replaced 
Audi A4 in Tennessee, United States
Aug 2014 - Mar 2016
Oct 2014

103000 mi

US $65
Replaced spark plugs and cylinder 1 ignition coil 
Jan 2016

128000 mi

US $320
Replace pads and rotors Engine light, cooling system. Failed injector coil pack 
Audi A4 in Finland
Feb 2008 - Mar 2010
Mar 2008

32240 mi
During the winter there was a strange noise coming from the motor when idle. Was told by the repair that is nothing dangerous and can be fixed in the next 60.000km repair. Had however some problems with the warranty since it was expired one (1!!!) day ... 
Jan 2010

66340 mi

€750
PCV valve replaced due to CEL + unstable idle. Problem fixed. 

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2006 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in Ontario, Canada
Jul 2010 - Mar 2016
Aug 2010

40920 mi

C $213
Broken window regulator (driver door). Replaced under extended warranty Camshaft carrier leaking oil. Install new gasket and sealants. ?consequence of previous warranty repair by dealer. Repaired under extended warranty Replace PCV valve and gasket Slow and irregular idle when cold first noticed last winter not fixed by replacing coils (as per recall)No CEL 
May 2011

45880 mi

C $2200
Broken window regulator (driver door). Replaced. 
Mar 2016

78120 mi

C $3400
Clutch and flywheel replacement 
Audi A4 in Washington, United States
Apr 2009 - Mar 2014
Jul 2009

33500 mi
Front wheel bearings started producing "click" noise at speed, dealer replaced both wheel bearings under warranty. 
Aug 2010

46000 mi

US $216
Car sputters constantly near 1K RPM. Pressure Regulator Valve, Gasket, and Breather tube (vent hose) replaced. 1hr labor, $109 in parts. 
Mar 2011

53000 mi

US $400
Cam follower on fuel pump was worn, replaced by indi shop. Cam shaft also shown wear, not yet replaced, waiting for Audi response. 
Audi A4 in Texas, United States
Mar 2009 - Oct 2015
May 2009

40000 mi
Headlight was flickering and going out. Dealership replaced bulb because of TSB. 
Jan 2012

73000 mi

US $2200
Clutch was replaced. CV boot leaking grease. 
Audi A4 in New York, United States
May 2013 - Mar 2016
Mar 2014

64000 mi

US $3115
Low Oil Pressure in cold temperatures (<10F), ignored warning indicator. Towed. Long block replaced. I think it was caused by ice crystals forming on the oil pickup screen. Audi has a TSB, 170825 (issued 11/21/2008). They revised the oil pump intake pipe. 
Audi A4 in Florida, United States
Jun 2008 - Mar 2010
May 2009

53000 mi
I had the cam lobe wear issue dealt with by Audi under warranty. Would have been a $1000 fix I believe. It was in for 3 days in May 2009 for this fix, and I can't say for sure that it has completely been resolved. May need an aftermarket fuel pump. 
Audi A4 in Ontario, Canada
Sep 2013 - Mar 2016
Nov 2013

124620 mi

C $90
Replaced HID Bulb and 2 small lamp sockets 
Jan 2015

156240 mi

C $4000
Exhaust cam and position sensor 
Mar 2015

157480 mi

C $600
Replaced DS front Wheel Bearing 
May 2015

161180 mi

C $500
Replaced passenger side wheel bearing & Oil change 
Oct 2015

169920 mi

C $389
Passenger Window Regulator 
Feb 2016

176900 mi

C $50
Bad License Plate lamp assembly 
Audi A4 in California, United States
Sep 2008 - Mar 2014
Jul 2009

46000 mi
door to glove compartment broke, fixed under warranty 
Nov 2010

66000 mi

US $860
motor controlling valves failed 
Dec 2010

68000 mi

US $300
Turbo blow off valve replaced 
Jan 2011

69000 mi

US $180
Short in audio head unit drained battery. Dealer diagnosed bad MMI unit (radio/navigation) and gave 3,400 estimate to replace. I declined and asked them to disconnect unit. Went to independent car stereo store for replacement. 
Audi A4 in Minnesota, United States
Mar 2011 - Aug 2014
Aug 2013

127000 mi

US $1650
Power steering pully loose, took out fan belt. Power steering pump needed to be replaced as well as fan belt 
Jan 2014

136000 mi
Heating element burned through the leather seat on driver's side. Report performed by dealer for Audi. Heated seat now disconnected. 
Apr 2014

141000 mi
left rear turn signal usually doesn't work. Wiring issue identified. Will cost approximately $700 to fix. 
Aug 2014

144000 mi
Electrical issues with heated seat and turn signal never fixed. 
Audi A4 in California, United States
Aug 2009 - Oct 2014
Sep 2009

53000 mi

US $75
Clutch Pedal Position switch failed, diagnosed and replaced myself 
Jul 2014

94000 mi

US $400
Driver Door cable snapped inside door, couldn't open door from inside. Cable replaced. 
Oct 2014

98000 mi

US $98
Boost leak, vacuum line cracked, replaced. 
Audi A4 in New York, United States
Sep 2007 - Mar 2016
Dec 2007

18000 mi
Check engine light came on, flashing and vehicle running rough. Restarted vehicle, running ok, check engine light on solid. Called dealer and brought it right in. Found loose connection to one of the ignition coils. Problem has not returned. 
Sep 2008

33000 mi
Check engine light came on, vehicle ran fine. Made an appointment for next day. Problem found to be electric motor that runs the flapper for variable intake runner. Dealer had part in stock, was replaced on the spot. 
Jul 2010

61000 mi

US $80
High Pressure Fuel Pump Cam follower replaced. Original one was in bad shape. 
Apr 2011

71000 mi

US $80
Loss of power at high load. Replaced fuel pressure sensor on high pressure fuel pump. There was a TSB for this part. This lead me to the problem. 
Mar 2012

79000 mi
Issues related to high pressure fuel system where fixed. High pressure fuel pump, intake camshaft and fuel pressure sensor were replace. Also replaced intake actuator and PCV valve. 
Oct 2014

97300 mi

US $350
Replaced timing belt, water pump (still working), thermostat (not working, stuck open), timing belt tensioner, acc belt. 
Aug 2015

105300 mi

US $130
Front left wheel bearing replaced due to noise. 
Audi A4 in North Carolina, United States
Sep 2015 - Mar 2016
Mar 2016

126000 mi

US $1200
Engine not coming to temperature, needed thermostat replaced. 
Audi A4 in Colorado, United States
Dec 2006 - Oct 2013
Jul 2012

71300 mi

US $450
Master slave cylinder needed to be replaced 
Nov 2012

74700 mi

US $150
Rear wiper mechanism fell apart. 
Feb 2013

77500 mi

US $800
Losing fuel pressure causing the check engine light to come on. 

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2006 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

Audi A4 in Florida, United States
Sep 2008 - Mar 2016
Sep 2010

42000 mi
Headlight has intermittent failure (adaptive HID lights). Occasionally turns itself off, but relights when I turn lights off and on again. Audi shop proposed to replace unrelated part so I declined repair. 
Jun 2011

56000 mi

US $240
Replaced HID headlamp due to intermittent malfunction. Problem with ignitor, which is integral with bulb for this design.  
Jan 2012

64000 mi

US $500
xenon headlight bulb exchange due to intermittent failure (prob. related to voltage regulating component integral with bulb). fault code (Check engine light) 
Apr 2013

83300 mi

US $400
valve cover gasket replaced ignition coil failed, required replacement of coil. A recent recall was issued for this part but I don't live near a dealer so I had it replaced out of pocket. 
Feb 2015

108000 mi
repair of glovebox door: door hinge broke when my 6 yo got something out of it, unclear what they might have done to cause this, signs that a crack was developing earlier. 
Jan 2016

119300 mi

US $900
vacuum pump valve cover gaskets 
Audi A4 in Washington, United States
Jul 2009 - Mar 2010
Dec 2009

41000 mi
Passenger light ballast(?) replaced 

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2006 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed manual AWD

Audi A4 in Ontario, Canada
Sep 2015 - Mar 2016
Sep 2015

97340 mi

C $400
Dismantled engine to clean carbon and oil deposits on intake valves. 
Oct 2015

99440 mi

C $200
Defective wheel bearing on the passenger side 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

Audi A4 in Alabama, United States
Nov 2009 - Nov 2011
Apr 2010

46000 mi
Replace coil packs. 
Jul 2010

49000 mi

US $85
Busted coolant hose. 
Audi A4 in California, United States
Mar 2011 - Jan 2016
May 2011

43042 mi

US $203
Replaced Breather Valve Replaced Breather Valve. Check Engine Light, Shaking of car. 
Aug 2014

60500 mi

US $318
Tear in the Turbocharger Recirculation Valve. Check engine light. 
Jan 2016

69000 mi

US $130
Ignition coil failure / replacement . Towed 
Audi A4 in Florida, United States
Feb 2008 - Jul 2014
Jan 2010

52000 mi

US $50
Turbo vacuum switch and a sensor were replaced. 
Feb 2010

52000 mi

US $800
Control arm cracked. 
Nov 2010

65000 mi

US $50
Cam shaft was replaced due to an emissions error. Oil change also performed. Related to my earlier CEL but was not diagnosed. The CEL came back on and thus time they replaced the low pressure fuel pump. 
Jan 2011

67000 mi

US $340
Coil pack went and Pep Boys grossly overcharged me for one coil and labour -$340. I replaced all 4 the next day off $160.  
Oct 2011

78000 mi

US $300
Vacuum leak that affected idling. 
Mar 2012

82000 mi

US $2000
Computer in the transmission, serpentine belt and speed contol sensor we're replaced. 
May 2012

84000 mi

US $940
Motor mounts and snub mount replaced. 
Sep 2012

87000 mi

US $280
Coolant flange was deteriorating and needed to be replaced. Coolant hose and temp sensor was also replaced. New coolant added. 
Audi A4 in California, United States
Feb 2010 - Mar 2016
Dec 2011

74000 mi

US $100
CEL as result of P2099 Code "underboost condition". Replaced Diverter valve with updated "D" variant that uses a piston instead of a flimsy rubber diaphragm. 
Aug 2013

82700 mi

US $25
Check engine light. Bad Engine Coolant Temperature sensor resulting in abnormal operating readings in temp gauge in cluster. 
Jul 2014

84000 mi
TCM failure. Covered under extended warranty from class action lawsuit involving TCM and components failing on CVT transmissions. 
Sep 2015

86000 mi

US $1600
Replace thermostat as result of code #08577 thrown. Discovered Waterpump developed a coolant leak. Prompted to do a timing belt job early to save on the labor costs involved with job. Replace drive axle assembly due to leaking outer boot. 
Oct 2015

86000 mi

US $25
Drivers side master switch cluster malfunction. Causing child window lock to be engaged all the time. Replaced with chinese knockoff for $10. Broke several retainer clips when removing door card. Replaced with several knockoff clips. 
Nov 2015

86000 mi

US $50
No MIL. Check Cam follower as preventative maintenance. Black finish completely worn off. Replaced with INA cam follower @ 86k miles. No damage to cam lobe. Inspect HPFP, Approaching expiration of extended 10 year warranty (2016) 
Feb 2016

88700 mi

US $120
Mis-fire on cylinder 4.Causing blinking CEL engine vibration and rough running. Replaced all 4 coil packs and new sparkplugs.Earlier set was replaced under recall.This is third set for this car. Autozone coilpacks with lifetime warranty 
Audi A4 in California, United States
Feb 2006 - Apr 2014
Mar 2006

80 mi
Replace defective A/C condensor 
Mar 2007

8100 mi
Replace wheel center caps due to peeling paint 
Jul 2008

22000 mi
Faulty crankcase ventilation valve. 
Sep 2008

22000 mi
XM Radio quit working. Replace XM Radio module. 
Oct 2008

23000 mi
XM Radio Module replaced 
Sep 2010

39000 mi
Replace front brake pads and rotors 
Sep 2012

58000 mi

US $1200
Replaced both motor mounts Replaced battery 
Jun 2013

65000 mi

US $1585
Replace water pump, thermostat, timing belt, tensioner. The coolant system thermostat was faulty and triggered the MIL light. The low coolant light came on and the water pump was found to be leaking. 
Audi A4 in California, United States
Mar 2009 - Jan 2015
Jul 2009

44000 mi
Cylinder 3 & 4 coil packs bad; turbo recirculation valve bad 
Dec 2009

53000 mi

US $85
PCV unit bad or leaking 
Feb 2010

54300 mi
Defective coil pack (#1) 
Apr 2010

60000 mi
fuel level sensor not reading correct fuel level 
Nov 2010

73500 mi
Faulty fuel pump & sticking N80 purge valve 
Mar 2011

79000 mi

US $85
Transmission control unit failure. 
Nov 2011

96000 mi

US $30
Coilpack went bad 
Feb 2012

102000 mi

US $40
Bad coilpack 
Sep 2012

114000 mi

US $1700
Mild overheating. Replaced timing belt & tensioners, thermostat, coolant flange, coolant temp sensor and flushed cooling system. 
Jun 2013

128000 mi
Coil pack went bad 
Audi A4 in Virginia, United States
Jun 2011 - Jul 2012
Jul 2012

71000 mi

US $980
Fuel pump needed replacement. Fuel pressure was low. 
Audi A4 in Florida, United States
Sep 2011 - Jun 2013
Oct 2011

65372 mi
Cooling Fan repair to fix incorrect service that was previously performed. 
Nov 2011

65672 mi
Front wheel bearings needed to be replaced. 
Mar 2012

69000 mi
Had to replace the O2 sensor. Arm rest latch was broken and the arm rest would not clasp shut. 
Apr 2012

69300 mi
Engine repair. 
Aug 2012

71500 mi

US $1068
Needed to replace all engine mounts (left, right, and stop mounts). Oil pressure sensor needed to be replaced. Spark plug and Direct Ignition Coil needed to be replaced. 
Oct 2012

72000 mi
Replaced two more coil packs (Direct Ignition coil), all belts, all fluids, and other servicing as needed for 80k mile service. 
Audi A4 in Ontario, Canada
Nov 2008 - Mar 2016
Jan 2009

44640 mi
Left front speaker was replaced under warranty 
Jul 2010

52700 mi
Timing belt snapped due to a seized bearing; also damaged cylinders and AC 
Oct 2011

66960 mi

C $80
N80 valve 
Feb 2012

67360 mi

C $1100
Transmission cooling line burst 
Jun 2013

73780 mi

C $350
Skid plate 
Dec 2013

78120 mi

C $55
CEL indicated problem with TCM (transmission control module malice replaced by dealer 
Jul 2014

83700 mi

C $1800
CEL was on; replaced several parts 
Aug 2015

102900 mi

C $3400
Leaks and knocking. Replaced engine. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

Audi A4 in Oregon, United States
Apr 2012 - Apr 2016
Dec 2012

74000 mi

US $100
Engine not getting to operating temp due to thermostat being stuck open. Replaced thermostat. Engine gets up to operating temp. 
Jul 2014

101300 mi

US $25
Replaced coil pack 
Apr 2016

126000 mi

US $700
Replaced all front control arms, tie rods ,front sway bar links. replaced steering rack and pinion. 
Audi A4 in New York, United States
Aug 2012 - Dec 2012
Oct 2012

59300 mi

US $300
Lower control arms 
Audi A4 in California, United States
Sep 2009 - Apr 2012
Apr 2011

66000 mi

US $125
check engine light came on, engine code was check and it shown some valve was open somewhere. it could go from tail pipe through to the gas tank to the engine...technician use a wrench at one of the hose in the engine and able to determine 
Audi A4 in Ontario, Canada
Nov 2009 - Nov 2012
Jan 2010

39640 mi
recall for ignition coil O2 sensor replaced 
Jun 2010

42160 mi

C $110
check engine light went on problem with clogged air intake and ignition coil 
Oct 2010

45460 mi
yellow check engine light on problem with intake manifold repaired on second attempt 
Dec 2011

58900 mi

C $150
failed thermostat replaced 
Aug 2012

65300 mi
broken camshaft damaged engine which waas replaced by Audi! 
Audi A4 in California, United States
Nov 2009 - Feb 2011
Nov 2009

46000 mi
Dipped headlight evaluation, no repair done. 
Dec 2010

57000 mi
Sunroof drain clogged, water in passenger backseat seatbelt. 
Audi A4 in California, United States
Dec 2012 - Apr 2016
Jan 2013

99000 mi

US $382
Rear Output Shaft Seal 
Oct 2013

105700 mi

US $1200
I got my maintenance done at Pure Motorsport which included my timing belt, oil change, valve cover gasket, and cam follower. It was all preventive maintenance except for my valve cover which was leaking. 
May 2014

109300 mi

US $260
Battery died 
Oct 2014

110700 mi

US $1600
I replaced front Upper Control Arms and all suspension with new Vogtland Coilovers. Also got an alignment done. Control arms were noticeably worn because of noise and visual inspection. Stock suspension was just upgraded, not sure if it was bad. 
Jan 2015

112300 mi

US $1500
I had to replace the Low Pressure Fuel Pump with Relays, High Pressure Fuel Pump, and Fuel Filter because they all went out. 
Apr 2016

124000 mi
The brakes would sudden not want to stop the car and the brake pedal would stick all the way out and not want to go in to stop the car while driving unexpectedly. 
Audi A4 in Washington, United States
Nov 2015 - Mar 2016
Mar 2016

97000 mi

US $300
Replaced wiring harness that connects speaker, power windows, etc in driver's front door (wires in original harness had worn through causing speaker to stop working). 
Audi A4 in New York, United States
Nov 2010 - Oct 2011
Mar 2011

92000 mi

US $500
Clunking noise when turning 
Sep 2011

99000 mi

US $200
Diverter valve diaphram torn, replaced valve 
Audi A4 in Washington, United States
Sep 2014 - Apr 2015
Oct 2014

95300 mi
2.0T engine Cam follower 
Audi A4 in Great Britain
Nov 2015 - Mar 2016
Feb 2016

93300 mi

£1300
Esp sensor needed replacing 
Audi A4 in Idaho, United States
Dec 2013 - Mar 2014
Jan 2014

146000 mi

US $250
Passenger side axle seal was replaced due to leaking. 
Mar 2014

148000 mi
Repaired center console lid hinge with a generous amount of JB weld at the cracked area, then applied a new latch to the front which was made using a plastic printer. Expansion tank has a crack just above the bottom coolant line return for radiator. Crack is approximately 2 inches in length and required replacement part. Part cost is $32 shipped. 
Audi A4 in Puerto Rico
Aug 2013 - Oct 2015
Dec 2013

58000 mi

US $200
Bad alternator 
Apr 2015

67300 mi

US $200
Damage coolant flange, replaced plus all the brakes on the car 
Aug 2015

69300 mi
alternator not charging, replaced myself 
Audi A4 in Illinois, United States
Oct 2011 - Mar 2014
Jul 2013

57000 mi

US $2000
Check engine light on. Lost communication with TCM. Transmission in limp mode. TCM replaced 
Feb 2014

57000 mi

US $1211
Engine mount replaced, transmission fluid change / filter kit. 
Audi A4 in Illinois, United States
Jul 2010 - Apr 2015
Aug 2010

40750 mi

US $125
Foglight light replacement. Purchased part online and dealer fix for under $75. If dealer purchased the part and fix the foglight it would cost $200.  
Apr 2011

49000 mi

US $400
Headlight dip issue. Right  
Sep 2011

56000 mi
Headlight replacement, new LED bulb. 
Nov 2011

58000 mi

US $450
Turbo recirculation valve PCV Valve 
Sep 2012

69000 mi

US $250
Window regulator driver side front window broke. 
May 2013

78000 mi

US $300
Rear brakes and Rotors 
Jan 2014

89000 mi

US $1000
Engine mounts replaced, both side. Right side failed. 
Audi A4 in North Carolina, United States
Nov 2007 - Nov 2009
Jun 2008

30000 mi

US $250
condensation fails to drain well when vehicle parked on grade leading to "wet dog" smell from vents 
Audi A4 in Virginia, United States
Mar 2009 - Mar 2016
Dec 2009

48000 mi
Valves for one of the cylinders were not closing completely, causing the car to shake. A new cylinder head was installed.  A faulty ignition coil and throttle body were also replaced. 
Jun 2010

55000 mi

US $85
Relief valve to air box was stuck open. Part was replaced. 
Aug 2010

60000 mi

US $85
Fuel suction pump stopped working, shutting down the engine and preventing it from starting. Pump was replaced. 
Oct 2011

86000 mi

US $80
Part in intake assembly needed to be replaced. 
May 2015

143000 mi

US $300
Engine mounts replaced 
Nov 2015

149000 mi

US $500
Tie-rod ends replaced due to torn bushings on both sides 
Jan 2016

149300 mi

US $200
Satellite radio receiver replaced 
Audi A4 in Ontario, Canada
Apr 2009 - Mar 2016
Aug 2009

53320 mi

C $2900
Locking system replaced.  engine air intake issue resolved new rear brakelights new brake pads  
Jun 2010

65100 mi
Engine gasket replaced 
Sep 2010

67580 mi

C $1300
Alternator failed - repair required replacement alternator and battery 
Mar 2013

89900 mi

C $1400
Check engine light. Replaced engine sensor. Airbag sensor also bad, will have to return. Airbag sensor replaced. After this trip both sensors failed again. 
Jun 2013

93000 mi

C $900
Emissions sensor out airbag sensor 
Oct 2014

109300 mi

C $800
There was a leak of coolant - this was sealed. 
Dec 2014

110980 mi

C $1000
Another coolant leak appeared over a week after the first was repaired - needed to be found and repaired 
Oct 2015

119840 mi

C $2500
Oil leak in cylinder - repair required. 
Audi A4 in Ohio, United States
Feb 2015 - Mar 2016
Jan 2016

98000 mi

US $5600
The engine froze up and it had to be replaced. The new engine has a P2293 code for fuel pressure that we are also trying to work out. This car is bleeding me dry. 
Audi A4 in Ohio, United States
Jul 2009 - Jul 2011
Aug 2009

17000 mi
Car brought in for scheduled oil change, tech discovered a code and replaced the faulty intake flap motor 
Audi A4 in New South Wales, Australia
Feb 2016 - Feb 2016
Feb 2016

65720 mi

A $3
Front 02 sensor (B1S1) fail 
Audi A4 in New Jersey, United States
Dec 2006 - Sep 2010
Jul 2008

70000 mi

US $1800
Front and Rear Brakes needed replacement 
Apr 2009

87000 mi

US $1700
Cam and lifter for fuel pump had to be replaced due to wear. Fuel pump sensor was also replaced. This is a known problem with Audi 2.0 FSI engines fro 2006 
May 2009

90000 mi

US $1600
Replaced timing belt, water pump, rollers, etc. 
Apr 2010

116000 mi

US $1200
Fuel injector o ring blew. Valve cover gasket blew turbo blowback diverted valve blew 
Jul 2010

122000 mi

US $480
replaced 1 motor mount 
Aug 2010

122000 mi

US $400
CEL went on; had to replace intake valve 
Audi A4 in Wyoming, United States
Feb 2008 - Mar 2016
Aug 2008

27000 mi
Coil pack on one cylinder went bad. Car was missing and had no power. 
Apr 2009

34000 mi
Trunk quit latching. Problem was first only present in cold weather but became persistent. Latch was replaced under warranty.  
Aug 2009

38000 mi
Crankcase filter clogged, check engine light came on, replaced, light off, much happier wife 
Apr 2012

65000 mi

US $450
Oil leak on valve cover, vacuum leak, idling rough, check engine light on. Repaired leaks, new plugs & filters, 
May 2012

66000 mi

US $500
Check engine light, emissions problem, vacuum leak 
Jun 2012

67000 mi

US $500
Turbo bypass valve was faulty, low power, rough idle. Once repaired the car runs better than ever. 
Oct 2012

70700 mi

US $1200
A/C wasn't developing pressure - compressor replaced. Problem solved. 
Jul 2013

79000 mi
New front brake rotors and pads 
Jul 2014

87300 mi

US $4200
Front Sway Bar Bushings replaced from wear Engine mount leaking fluid - replaced 
Audi A4 in Texas, United States
Nov 2011 - Jan 2012
Jan 2012

78000 mi

US $90
Coil pack failure at cylinder 1, replaced all 4 coil packs. 
Audi A4 in Maryland, United States
Feb 2009 - Mar 2010
Mar 2009

62000 mi

US $9500
Check engine light came on. First told it was the fuel pump sensor. Escalated to fuel pump and went on to having to replace the engine with a used one.  Once engine was swapped, learned that transmission also failed and needed to be replaced. I hate AUDI3 year old car needing 10K worth of repairs and AUDI washed their hands clean. They claim it could happen to any car. This car has all highway miles and h 
Audi A4 in Ontario, Canada
Dec 2006 - Mar 2010
Jun 2006

3720 mi
Interior rattle - fixed under warranty. 
May 2007

14880 mi
Cracked leather surface on driver's seat left side bolster. 
Apr 2008

22320 mi
Return trip to have replacement seat cover installed. 
Jan 2009

29140 mi
Pressure regulator valve malfunction resulted in check engine light. Part replaced and problem solved on same day in less than an hour. 
Audi A4 in Georgia, United States
Jun 2008 - Apr 2012
Mar 2009

26000 mi
Automatic Transmission shift seemed delayed but was normal turbo lag. 
Dec 2009

28000 mi
Car would not accelerate past 4000 RPM. Technical bulletin on fuel pump and cams/cam follows. Fuel pump and cam parts replaced. 
Audi A4 in Ontario, Canada
Feb 2012 - Sep 2012
Mar 2012

68200 mi

C $170
needed to replace the mass airflow sensor, other than that the engine is running strong. 
Apr 2012

71300 mi

C $340
Have to get the mass airflow sensor replaced again, plugs had to be changed also... 
Audi A4 in Massachusetts, United States
Feb 2009 - Jan 2012
Apr 2009

35000 mi
Bad window regulator - driver front. Standard VW/Audi problem. Fixed under warranty. Passenger front started going, 2 weeks later, in shop now. 
May 2009

36000 mi

US $189
Regulator for Passenger side front window. 
May 2010

45000 mi
Front Driver's side window regulator re-fixed less than 12 months after original repair. Passenger Front Window Regulator. Was reflashed (I was told replaced) 12 months ago, but started clicking again. Customer relations helping to see who will pay for this repair. 
Jun 2010

48000 mi

US $300
Revisit after Audi of America offered to pay 40% of the cost of replacing front p-side window reg. Fixed, all done. 
Nov 2010

53000 mi

US $385
Turbocharger solenoid. A rubber piece had worn a hole, and the car was running a little rough and low on power. 
Apr 2011

57000 mi

US $360
Intake valve and purge valve replaced. Wiring loosened on one of the solenoids that reside on the engine mounts; wires reconnected. 
Jun 2011

58000 mi
Trans shifting roughly from 3-2, mostly under low RPM, and intermittently. No codes on the ODB. Also had brakes checked, grinding sound under very heavy load. Told the pads/rotors looks great. Will possibly change trans fluid/filter anyway 
Audi A4 in California, United States
- Sep 2009
May 2009

42000 mi
Turbo valve issue, and low fuel sensor problems. repaired via warranty 
Sep 2009

46000 mi
Another turbo valve issue repaired via warranty. 
Audi A4 in Alberta, Canada
Jun 2015 - Jun 2015
Jun 2015 Engine vibrates excessively at idle rpm. Audi claimed it was normal. 
Audi A4 in Michigan, United States
Jun 2011 - Jun 2013
Nov 2012

54500 mi

US $750
Replaced worn engine mounts 
Feb 2013

57000 mi
CEL on for coolant system. Needed to replace thermostat and replace coolant. 
May 2013

60000 mi

US $54
Failure of diverter valve before turbo. Replaced with newer version from Audi. 
Audi A4 in Wisconsin, United States
- Aug 2009
Aug 2009

30500 mi
Intake manifold flapper motor failed. 
Audi A4 in Minnesota, United States
Sep 2010 - May 2016
Oct 2010

141700 mi

US $1373
Cam follower failed, taking other parts with it. Replaced the camshaft and cam lobe, seal rings, adjuster, follower, gaskets, and housing. $4,000 total, but split three ways with Audi and the dealer. Coils, breather valve, HPFP (damaged by cam follower failure). 
Oct 2011

171500 mi

US $6900
Car was making slight noise. Upon inspection it was found that a bolt had been sheared off in the engine and a new engine would be needed. 
Apr 2013

210700 mi

US $1063
Thermostat replaced.  Rear brake lines replaced, brakes flushed. 
Sep 2015

265000 mi

US $1500
Inner and outer toe rods replaced. Pressure regulator replaced 
May 2016

285000 mi

US $1600
Power steering rack replaced 
Audi A4 in Colorado, United States
Apr 2010 - May 2013
Sep 2011

77000 mi

US $300
A leaking intake hose was found during routine oil change and inspection. Causing a turbo boost leak into manifold and oil pan. 
Oct 2011

77500 mi

US $175
Failed PCV valve detected and replaced. 
Audi A4 in Massachusetts, United States
Dec 2013 - Jan 2015
Nov 2014

105000 mi

US $830
Dead battery. Would not start. Dead starter motor. 
Dec 2014

106000 mi

US $700
Calipers seized up and would not release. Brakes overheated. 
Jan 2015

106000 mi

US $130
Oil pressure light comes on. Engine has oil and pressure tests show no actual problem. Sensor replaced but warning light persists. 
Audi A4 in Malaysia
Oct 2011 - Jun 2015
Dec 2011

117800 mi

$700
Replaced the HPFP and cam follower. Discovered worn camshaft. I replaced the intake camshaft and head gasket. 
Jan 2012

118400 mi

$300
Then I replaced the thrust sensor and druck sensor for the P310B/ 012555 issue, but still P310B fault. No CEL or fuel cuts happened. Ordered Rear Fuel Pump, hoping this would cure the P310B fault code. 
Feb 2012

119000 mi

$300
Replaced rear fuel pump, light out. 
Jun 2012

120900 mi

$600
Replaced the right side Driveshaft. As there are juddering when acceleration especially from 1st to 2nd gear. Car was running rich, mechanic recommended to replace both the Lambda sensors (front and rear) as the car age is already 6 years old. 
Jul 2012

122600 mi

$375
Replaced the rear disc rotors. same time replaced the left front Outer CV Boot. Replaced Front Left CV Boot as Grease leak was found at the drive shaft 
Jun 2013

134540 mi

$180
Did my 10k service and same time replace my Fuel Flap Actuator and also the N80 (EVAP Purge Valve). 
Oct 2013

136400 mi

$200
Had problem with Boost not passing 4psi, my regular boost was 17psi. This only happens when the car is warmed up. After 2 days of troubleshooting and testing as no fault codes, found out that the N75 wastegate actuator valve is faulty. 
Dec 2013

136400 mi

$600
Starter failed after replacing a new battery 
Mar 2014

138880 mi

$500
Replaced the left side front knuckle @ wheel bearing housing and also subframe bushes. 
May 2014

140700 mi

$900
Replaced both Coolant Fan and Air Cond Fan and also the Control module for this. Problem was due to sudden lost of Fan power to both units. 
Jan 2015

150200 mi

$1000
Changed my radiator as it was leaking. Replace both left and right engine mountings. Replace both left and right transmission mountings. 
Audi A4 in Massachusetts, United States
Apr 2009 - Jan 2012
Jul 2009

55000 mi
DV replaced. The DV's diaphragm was ripped, loss of power and the CEL was on. 
Jan 2010

57700 mi

US $14
Trunk latch mechanism inoperable in cold weather: on cold days if you open the trunk, it would not close and lock. Purchased the mechanism from dealer ($116) and replaced it. Took about an hour to complete the job. 
Apr 2010

60000 mi

US $50
CEL came up. Ran diagnostics and pulled code P310B for low fuel pressure sensor, G410 (thrust sensor). 
Aug 2010

64500 mi

US $200
CEL with code P0642 indicating Intake Flap Motor V157 bad. Bought IFM at dealer and replaced myself, cleared codes, so far so good. 
Jan 2012

78000 mi

US $800
P310B code for thrust sensor originally. Dealer ended up replacing low pressure fuel pump, fuel filter and gaskets. 
Audi A4 in Ontario, Canada
Dec 2006 - Jun 2015
Dec 2006

18848 mi
Accelerating on highway, power would cut for a couple of seconds and then resume. Check engine light appeared. Dealer is replacing camshaft and associated parts. 
Jan 2007

18910 mi
Fixed Issue from december. Received another check engine light, result was a misfire they replaced one of the coils. 
Jul 2009

55800 mi
Check engine light, boost control valve for turbo replaced 
Sep 2011

81840 mi
Car loses power when accelerating above a speed of 70km/h. Brought to dealer, was the same issue with the camshaft follower being worn and a new camshaft parts. All under an extended warranty by audi to all cars up to 160000km/10 years. 
Nov 2011

83700 mi

C $200
HID headlight flickering in and out. New ballast ordered and replaced inside the headlight. 
Audi A4 in Texas, United States
Dec 2014 - Mar 2015
Feb 2015

96000 mi

US $650
Front lower control arm bushings were failing; replaced the entire control arms. Initially took it in for bad vibrations which turned out to be a shredded belly pan. Replaced front brake pads and rotors, as the rotors were worn down and about to shear off the sensor line. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual FWD

Audi A4 in Indiana, United States
Aug 2014 - Jul 2015
Dec 2014

99000 mi

US $900
Pressure plate broke up in pieces. Needed new clutch kit. 
Audi A4 in Ontario, Canada
Feb 2009 - Jun 2011
Mar 2010

68820 mi

C $289
all 4 ignition coils went bad due to water damage, not recall problem, already replaced after recall 
Aug 2010

79360 mi

C $221
Replaced window regulator 
Audi A4 in Illinois, United States
Dec 2008 - Dec 2015
Apr 2008

28000 mi
Drivers's side rear seat fold-down latch was replaced. 
Oct 2008

33000 mi
Window regulator on drivers door went bad. 
Sep 2012

62000 mi

US $250
Read seat passenger loosened driver's side airbag wires by sliding feet underneath the seat. 
Nov 2012

63300 mi

US $100
Replaced thermostat 
Audi A4 in California, United States
Apr 2009 - Mar 2010
May 2009

42000 mi
Replaced low pressure sensor for fuel pump & replaced fuel filter Glove box hinge broken replaced and fixed 
Audi A4 in Ontario, Canada
May 2008 - Sep 2009
Jun 2008

47120 mi
4 coil packs replaced 
Sep 2008

50840 mi
front seat leather replaced 
Apr 2009

60760 mi

C $800
4 brakes and pads 
Audi A4 in California, United States
Feb 2010 - Mar 2011
Mar 2010

67000 mi
Noise when turning... Discovered that a bolt was missing from the sway bar... dealer replaced the part and provided loaner car at 0 cost... 
Feb 2011

83000 mi

US $2033
came in for 85k service, technician discovered vacuum pump leak  and told me the front brake pads need to be replaced. 4 upper link bushings need to be replaced as well. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in Ohio, United States
- Jan 2008
Feb 2007

15000 mi
Water pump replaced 
May 2007

25000 mi
Pressure Control Valve (PCV) replaced 
Jun 2007

30000 mi
Diverter Valve replaced 
Jan 2008

55000 mi
Pressure Control Valve (PCV) replaced 
Audi A4 in Louisiana, United States
Jul 2011 - Aug 2012
Aug 2011

79000 mi

US $2000
Intake camshaft replaced, cam follower replaced, hpfp replaced, timing belt replaced, water pump replaced. Noticed poor performance. Removed hpfp to inspect follower. Follower had a hole in it and hpfp shaft was pressing against the cam. 
May 2012

85000 mi

US $200
Rear pads and rotors replaced 
Jun 2012

86000 mi

US $300
Wheel bearings changed 
Audi A4 in Oregon, United States
Dec 2006 - Feb 2011
Nov 2007

25000 mi

US $205
software update, no problems noticed with vehicle. 
Jul 2008

34000 mi
Power loss during hard acceleration. Unspecified software update. 
Mar 2009

43000 mi
Flickering headlights, described under TSB 
Feb 2011

74000 mi

US $60
Engine temperature was not stable. Thermostat was purchased to repair problem but I was unable to perform the repair. 
Audi A4 in Bolivia
- Aug 2011
Aug 2011

109740 mi

$150
Engine cooling system (radiator, water pump, thermostat, heater core, etc.), repair 
Audi A4 in Colorado, United States
Jul 2009 - Aug 2012
Jul 2009

76269 mi

US $842
Cam follower worn through, which damaged High Pressure Fuel Pump. Both replaced. Also had boost control valve replaced due to fault codes while car was in for repair. 
Aug 2012

138000 mi

US $1371
Car was taken to dealership after previous repair to cam follower and intake cam was done by a local Audi specialist. Car's engine destroyed due to excessive wear of HPFP cam follower; which came apart in the engine causing serious damage. MIL light and oil pressure lamp came on, idling off and lack of power. Took to shop to find another cam follower had worn through causing major damage to both cams, cylinder head and cylinder wall. 
Audi A4 in Belgium
Mar 2011 - Dec 2013
Sep 2011

76880 mi
Engine coils repaired under warranty 
Nov 2011

77800 mi
Hydraulic Engine supports leaked => replaced 
Feb 2012

78740 mi

€125
Battery was dead and at the end if it's lifecycle 
Jan 2013

81000 mi

€250
Xenon lightbulb faillure 
Audi A4 in Minnesota, United States
Apr 2010 - Apr 2014
Jul 2011

51500 mi

US $385
Window regulator replaced on drivers door. Window would no longer roll up or down.  
Dec 2012

59000 mi

US $400
Thermostat was stuck open and car would not get up to full temperature in the winter season. Heater would not work properly, especially at idle. 
Jan 2014

66000 mi

US $200
Diverter valve replacement after taking into dealer for check engine light diagnosis. 
Audi A4 in Ohio, United States
Sep 2009 - Sep 2015
Oct 2012

79000 mi

US $420
Replace malfunctioning thermostat. 
Dec 2014

100000 mi

US $1763
Engine control module failed requiring replacement. 
Audi A4 in North Carolina, United States
Feb 2010 - Jan 2011
Apr 2010

67000 mi

US $400
replace ignition coils broken door open signal wire 
Jan 2011

74000 mi

US $2000
Replaced camshaft Replaced fuel pump 
Audi A4 in Oregon, United States
Jul 2009 - Mar 2016
Aug 2009

38000 mi
Right headlight intermittent failure. Bulb replaced on second visit. Car was purchased as CPO and the problem was dicovered on the first day so the dealer covered the problem. 
Dec 2012

66000 mi

US $345
Engine temperature per the gauge was not reaching full temperature. Diagnosed as thermostat not closing, replaced by dealer. 
Oct 2013

72500 mi

US $36
One of the two clutch switches failed causing a non-operative cruise control and resulting in a drivability issue. The top switch needs to function or the engine holds revs while shifting. Quick replacement, takes about 10 minutes. 
Feb 2015

83000 mi

US $350
Driver's side motor mount was leaking, dealer replaced the one side. While in for an oil change the mechanic recommended I have the high pressure fuel pump inspected. Pump was removed/inspected and the cam follower had a hole worn through it. Pump, follower, cam shaft were all replaced. No charge to me. 
Nov 2015

89500 mi
When the weather turned cold the trunk wouldn't latch. It was an intermittent problem that came and went. I removed the latch assembly, cleaned it and added grease. Works perfectly now. 
Audi A4 in Pennsylvania, United States
Mar 2009 - Jun 2011
Sep 2009

32000 mi
Passenger window would roll down after driver rolled window up. 
Audi A4 in Pennsylvania, United States
May 2010 - Mar 2016
Sep 2010

53000 mi

US $50
rear left brake light 
Nov 2011

70000 mi

US $400
Leaking water pump. Replaced. 
Mar 2012

74000 mi
Hesitation under hard acceleration. Replaced cam and cam follower. 
Sep 2012

81000 mi

US $590
Thermostat sticking - needed to be replaced 
Apr 2013

87500 mi

US $313
Wipers not switching on. Tech traced issue to short in relay for wipers. Replaced relay. 
Oct 2015

94500 mi

US $900
replace engine mounts to pass PA state inspection 
Audi A4 in Alaska, United States
Dec 2014 - Jul 2015
Apr 2015

150700 mi
Leak Detection Pump replacement. 
Audi A4 in Quebec, Canada
Oct 2007 - Sep 2013
Jul 2009

20894 mi
Crankcase Ventilator (PCV)was replaced. There is a recall for this problem (recall CR). Symptoms: Car shudders/shakes while idling. RPM fluctuates by several hundred RPM while idling. Diagnostic scan showed multiple/random cylinder misfires. 
Jan 2010

23340 mi
Car was shaking violently. Dealer scans idicated that the diverter valve was faulty. 
Jul 2012

34500 mi
Intake manifold runner & PCV replaced. Rear window safety switch broken. This prevents rear seat passengers from operating the windows. Replaced cam follower because it was worn. 
Jun 2013

38440 mi

C $70
There was a hole in the exhaust system due to corrosion. A portion of the exhaust system was replaced. 
Audi A4 in Pennsylvania, United States
Jul 2015 - Mar 2016
Oct 2015

111300 mi

US $25
Replaced bad coil pack. 
Feb 2016

116700 mi

US $75
Had an issue with another coil pack and just replaced the other 3 packs, it took longer to drive to the nearest Autozone then it did to replace them. 
Audi A4 in California, United States
Oct 2015 - Jan 2016
Jan 2016

110000 mi

US $1000
New CV axles were needed. Major Tune up (fuel filter, spark plugs, new fluids etc). 
Audi A4 in Wisconsin, United States
Dec 2006 - Apr 2011
May 2009

33000 mi
Faulty IRMC valve replaced. CEL cleared. 
Audi A4 in Nova Scotia, Canada
Jul 2007 - Aug 2009
Jul 2008

35960 mi
2 cm split in leather of driver's seat. 
Audi A4 in Colorado, United States
May 2009 - Dec 2012
Dec 2009

78000 mi
Timing Belt replacement, 75,000 maintenance, Oil Change, Brake diagnosis (Brake Light came on). Either pads need to be replaced or brake fluid is low in the ABS reservoir or brake reservoir. 
Jun 2011

104000 mi

US $3000
Problem 1 was a misfire on cylinder 4 (P0304) and a cooling system performance issue (P2181). Valve cover, spark plugs, ignition coils and coolant temperature sensor all replaced. New rear rotors and brake pads as well. Different mechanic to try to fix the misfire on cylinder 4 (P0304). Did engine diagnostics, inspected EVAP, DV, MAF sensor and intake system. Performed carbon cleaning. Replaced crankcase ventilation hose & vent, and fuel injector. Fixed 
Audi A4 in Minnesota, United States
Feb 2008 - Jun 2011
Aug 2008

29000 mi
Intake flaps were not working correctly. A common problem. 
Nov 2008

32000 mi
Rear view mirror fuse got stretched and wasn't making contact anymore.  
Feb 2009

40000 mi
Replaced the CAT. 
Jul 2009

49000 mi
The deadly camshaft code 
Audi A4 in Saskatchewan, Canada
- Nov 2008
Nov 2008

48980 mi
Front passenger seat sensor Intake flap motor 
Audi A4 in Utah, United States
Mar 2010 - Mar 2016
Oct 2010

62000 mi

US $75
HID headlamp shutting off and reporting as "dipped headlight" in DIS. HID element was replaced. Required removal of front bumper. 
Nov 2010

63000 mi

US $60
Checked and replaced Cam Follow for high pressure fuel pump. The cam follower was well worn but had not yet failed. Had it failed (hole worn into it), a replacement of the cam shaft would have been required. I check this part every 10-15k miles 
May 2013

90000 mi

US $1580
Replace Brake Vacuum Pump and gasket Replace valve cover gasket 
Jun 2013

90000 mi

US $450
Error with headlamp AFL reported. Failed component in ballast identified as culprit. Ballast replaced 
Jul 2013

90300 mi

US $360
Under hot operating temperatures (hot days, extensive city driving) the clutch would not stay fully disengaged when depressed while waiting at a signal light or restarting after an errand 
Jun 2015

98000 mi

US $54
The driver's window control switch stopped operating the rear windows and had to be replaced. 
Audi A4 in California, United States
Sep 2008 - Apr 2013
Oct 2010

101000 mi

US $1100
Two check valves were replaced, plus a minor oil leak in the value cover gasket. Additionally the 105K service was performed. 
Oct 2011

120000 mi

US $868
Replace rear rotors and pads, break flush, minor tune-up & oil change 
Feb 2013

148300 mi

US $3400
Finally replaced my clutch. Dealer said they last to about 85K normally, mine finally went around 148K. Considering I am the second owner, pretty impressive life for a clutch 
Audi A4 in Ontario, Canada
Feb 2009 - May 2011
Jan 2010

60760 mi

C $498
broken bumper bracket rear brake pads and rotors replaced due to normal wear. 
Audi A4 in Massachusetts, United States
Nov 2009 - Apr 2012
Dec 2009

44000 mi
Difficulty getting into 1st gear from neutral. Difficulty getting into 3rd from 2nd. 
May 2010

48000 mi
Center-right vent does not blow sufficient air like the other vents. 
Jun 2010

49000 mi
Popping Noise when braking and/or turning at slow speeds. 

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2006 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD

Audi A4 in Districto Federal, Mexico
Sep 2009 - Sep 2012
Jan 2010

34720 mi
Xenon lights blinking 
Mar 2011

47120 mi

$1000
CHANGING THE CATALYTIC CONVERTER 
Aug 2012

59980 mi

$5000
Multotronic failed (second time) 

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2006 Audi A4 4dr Sedan

turbocharged 140hp 2.0L I4 Diesel 7-speed shiftable CVT FWD

Audi A4 in Nevada, United States
Dec 2014 - Jan 2015
Dec 2014

72000 mi

US $400
Had coolant flange leak repaired than subsequent low temp reading and thermostat replaced 
Jan 2015

72000 mi

US $850
Had oil change, new diverter valve, and cam follower checked/replaced. Found follower damaged and had to repair HPFP as well. 
Audi A4 in Costa Rica
Feb 2014 - Mar 2016
Aug 2014

65300 mi

$550
Oil leak from gearbox Flap intake valve fail 
Feb 2015

72320 mi

$1
Tandem pump gasket failure. Replace only the gasket Engine intake manifould flap failure. Replace it 
Mar 2015

72540 mi

$485
Change front shocks due worn shock 
Mar 2016

81840 mi

$300
sound in turns, replace steering wheel join 

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2006 Audi A4 4dr Sedan

255-horsepower 3.1L V6 7-speed shiftable CVT FWD

Audi A4 in Arizona, United States
Dec 2014 - Dec 2015
Oct 2015

89300 mi

US $250
Power window failure driver side. Update: passenger side failed later in the month. Both wedged in up position for now. 
Audi A4 in California, United States
Dec 2006 - Apr 2010
Jan 2009

34000 mi
Routine yearly maintenance + brakes. 

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2006 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

Audi A4 in Georgia, United States
Jul 2014 - Apr 2016
Jun 2015

133000 mi

US $100
AC not cooling. Found leaky component, replaced and recharged system. right low beam HID headlight would occasionally flicker. Replaced bulb. 
Audi A4 in Illinois, United States
Jun 2014 - Apr 2015
Jan 2015

77000 mi

US $1300
HPFP went bad. Needed to replace it. 
Audi A4 in Ontario, Canada
Sep 2010 - Apr 2011
Apr 2011

67580 mi

C $150
Fuel system problem. Engine light flashes 
Audi A4 in New York, United States
Sep 2007 - Apr 2008
Jun 2008

16000 mi

US $75
Broken exhaust bracket - replacement bracket installed. 
Audi A4 in Saskatchewan, Canada
Feb 2011 - May 2016
Apr 2011

120280 mi

C $900
Replace all fuel injectors 
Jun 2011

125860 mi

C $50
CV boot clamp came off, would throw the car into "limp mode" when driving in heavy rain as it triggered the ESP (electronic stability control) and then engaged the EPC (electronic power control) limiting power and RPM (limp mode) 
Oct 2013

185960 mi

C $65
Replaced HID headlights, it's a pain in the a## 
Jan 2014

192500 mi

C $700
Car was not coming up to temp, reading about 1/4 on the temp gauge instead of 1/2....this meant reduced capability for cabin heat in -40C. I replaced the thermostat and 3 main rad hoses as well as the serpentine belt while I had the car apart 
Apr 2015

216540 mi

C $50
Replace HID headlights... remove front bumper cover, remove headlight assemblies, install new headlights, reinstall all parts. 
Jul 2015

220080 mi

C $115
Valve cover gaskets leaking into spark plug cavity, also leaking on engine. Replaced gaskets. 
Nov 2015

223200 mi
Oil leaking from timing chain covers at rear of engine. Removed, cleaned old gasket material off, applied RTV type gasket sealant and reinstalled covers. 
May 2016

226920 mi

C $630
High pressure switch defective, leaking, required replacement, then system recharge. Fixed oil leaks, cam sensor seals shot. 

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2006 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed manual AWD

Audi A4 in Vermont, United States
Sep 2011 - Jul 2014
Dec 2013

90000 mi
Intermittant headlight flickering 
Jan 2014

90500 mi
Intermittent flickering headlight issue repaired by dealer as 'customer curtesy' after many, many complaints. 
Audi A4 in Illinois, United States
Jun 2009 - Dec 2014
Mar 2014

43000 mi

US $1000
High pressure fuel pump 
Audi A4 in Washington, United States
Sep 2010 - Jan 2013
Jun 2011

62000 mi

US $50
Audio/Nav system would not recognize CD player which rendered it non-functional. Fix was to remove and replace the same unit. 
Aug 2012

67300 mi

US $541
Oil weeps from driver side rear differential. Oil weeps from driver side valve cover gasket. 
Audi A4 in Virginia, United States
- Jan 2009
Jan 2009

24500 mi
Carbon build-up in the engine. Root cause: most likely pampering of previous owner and/or improper fuel used without additives. Solution: use name brand fuel that contains the additives and techron liquid solution every 3,000 miles for the engine. 

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2006 Audi A4 2dr Convertible

turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD

Audi A4 in Massachusetts, United States
Dec 2006 - Jun 2011
Dec 2007

15000 mi
replaced cracked headlight washer fluid line 
Mar 2009

25000 mi

US $1000
I believe it is insane that all four brakes and rotors should go at 25,000 miles. Discovered at 25,000 PM. Repair performed at local service station, est cost at dealer almost 1100 
Jan 2010

32300 mi
Power steering hose clamp came loose and lost all power steering fluid 
Audi A4 in Virginia, United States
Aug 2008 - Dec 2010
Jan 2009

24000 mi
Coolant leak repaired. 
May 2009

25000 mi
Coolant leak returned a month after the previous repair, but did not have time to immediately take it into the shop. 
Audi A4 in New York, United States
Mar 2008 - May 2009
Mar 2009

42000 mi
Low Coolant Warning Light - noticed liquid on garage floor. Called dealer, he suggested towing to dealership. Plastic plug was found cracked and replaced. 
Audi A4 in Texas, United States
Mar 2012 - Feb 2013
May 2012

56000 mi

US $50
Rear window separated from convertible top trim. 
Sep 2012

61000 mi

US $1700
Rear window separated from convertible top. Leak in Oil pan. Replaced oil pan cover and seal. 
Audi A4 in Minnesota, United States
Sep 2013 - Sep 2014
Mar 2014

75000 mi

US $100
Oil leaking around valve covers 
Audi A4 in California, United States
Dec 2013 - Mar 2016
May 2014

71700 mi

US $1000
Shifting handle wouldn't disengage from parking. 
Dec 2014

76000 mi

US $600
Coolant leak, flange replaced. 
Mar 2015

77000 mi

US $1250
Water pump replaced again, after 18 months. It was first replaced by the previous owner before selling to us. 
Mar 2016

85000 mi

US $800
Third time cooling system needs repair in less than 20k miles. 
Audi A4 in New Jersey, United States
Sep 2011 - Dec 2013
Dec 2013

102000 mi
ABS Control Unit 

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2006 Audi A4 2dr Convertible

220-horsepower 3.0L V6 5-speed shiftable automatic AWD

Audi A4 in Washington, United States
Jun 2014 - Mar 2016
Apr 2015

61700 mi

US $800
Replace tie rod ends and a stabilizer bar. The mechanic says these cars wear them out faster than many, but this wasn't as bad as some he's seen. 
Jan 2016

69300 mi

US $50
Coolant reservoir cracked and leaked, replaced at home. 
Mar 2016

70000 mi

US $1600
Leaky valve cover gaskets. Replaced as part of larger service trip. Replaced water pump, thermostat, and coolant crossover pipe to correct temp issues. Replaced all upper and lower control arms, tie rod ends, and front struts to correct worn parts and poor steering control. Replaced worn timing and serpentine belts and related tensioners/spindles/whirly things. 
Audi A4 in California, United States
- Sep 2006
May 2006

7000 mi
glove box didn't latch closed 
Sep 2006

10000 mi
tension strings on cloth top broke 
Audi A4 in Alabama, United States
Jun 2012 - Mar 2013
Aug 2012

53300 mi
Secondary Air Pump was reporting leak. Recvd check engine code Recvd check engine code that 3rd tail light was not operational. 

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2006 Audi A4 / S4 / RS4

Engine not specified

Audi A4 in Florida, United States
Aug 2009 - Jan 2010
Sep 2009

49000 mi

US $4500
CVT transmission failed miserably during highway driving, locking front wheels and coming to a screeching halt. 
Audi A4 in Illinois, United States
Sep 2014 - Oct 2015
Aug 2015

107300 mi

US $2500
Thermostat, water pump 
Audi A4 in Utah, United States
Dec 2009 - Jun 2011
Feb 2010

36000 mi

US $400
drivers side window regulator went bad at 36k 
Audi A4 in Florida, United States
May 2015 - Jun 2015
Jun 2015

138000 mi

US $125
Valve head gasket oil leak 

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2006 Audi A4 / S4 / RS4 4-door

turbocharged 4-cylinder manual AWD

Audi A4 in Oregon, United States
Feb 2008 - Mar 2010
Aug 2009

71000 mi

US $1740
I found a TSB that described my issue of losing power on inclines. There is a TSB 2013147/4. He did replace a sensor first, audi recommendation. Cam follower looked like A pic, cam replaced. Replaced fuel pump. Oil metal was in the filter because of issue.  

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2006 Audi A4 / S4 / RS4 2-door

turbocharged 4-cylinder automatic 2WD

Audi A4 in California, United States
Mar 2010 - Jun 2011
Apr 2010

26000 mi

US $50
This would be trip 3...the ignition coil had to be replaced along with the overhead light bulb. 

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2005.5 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in Oregon, United States
Jul 2010 - Jul 2013
Dec 2010

61000 mi

US $90
Ignition coil broke. Got flashing CEL (indicates possible damage to cats if driven). Towed to dealer and all 8 ignition coils replaced under warranty. Dealer covered $100 of tow, rest was my responsibility. 
Jun 2011

71000 mi

US $25
Bad bulb holder for DRL was causing excessive heat burning out bulbs in less than a day. Required replacement of bulb holder. 
Sep 2012

85000 mi

US $600
Had to replace front control arms. Loose steering and knocking from front end. 
Nov 2012

86300 mi

US $150
Changed transmission/differential fluid. Front differential was grinding in tight turns and MT was getting difficult to shift. 
Jul 2013

93000 mi

US $750
Creak from wheel bearings due to improper fit in hub. Had to disassemble and grease interface btw bearing and hub. Replaced wheel bearings at that time. 

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2005.5 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

Audi S4 in New Jersey, United States
Nov 2010 - Dec 2010
Dec 2010

90000 mi

US $1460
Radiator Leak Replaced driver side window regulator. Window would not move. 
Audi S4 in District of Columbia, United States
Jun 2009 - Dec 2012
Jun 2009

37800 mi
Dead battery replaced under warranty 
Mar 2010

40000 mi

US $400
Rough ride and rough idling 
Sep 2012

54000 mi

US $1200
Not shifting smoothly. "slamming" into gear, especially on downshift 
Dec 2012

54000 mi
Transmission not shifting smoothly, got another car. 
Audi S4 in New York, United States
Jan 2010 - Sep 2014
Aug 2011

38300 mi

US $1500
Control arms  Window regulator 
Sep 2014

67000 mi
Bad power steering hose 
Audi S4 in Alabama, United States
Jan 2013 - Dec 2013
May 2013

121000 mi

US $250
Ballast needed to be replaced 
Sep 2013

124000 mi

US $50
Exhaust clamp 
Audi S4 in Texas, United States
Mar 2012 - Apr 2013
Apr 2013

79000 mi

US $900
Catalytic converters filled up. Then had to replace the high pressure steering return hose, then the power steering reserve tank. 
Audi S4 in Washington, United States
Mar 2010 - Jun 2011
Apr 2010

52000 mi

US $1000
Replaced valve cover gaskets, valve cover caps etc etc. Now problem of flickering headlights. Great car to drive but pain in the butt to keep after warranty. Replaced fuel pump. 

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2005.5 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in Pennsylvania, United States
Oct 2009 - Jun 2011
Nov 2009

36000 mi

US $975
Upper control arm bushing was destroyed, drivers side. Passenger side was still okay. Head lights flicker on and off while driving. Both head lights went out at night while driving and had to pull over. Turning the headlight switch to the off position and back on seemed to fix the problem temporarily. 
Audi S4 in Connecticut, United States
Mar 2009 - Sep 2012
Apr 2009

44000 mi
Catalytic converter replaced under warranty. 
Audi S4 in California, United States
Feb 2009 - Mar 2011
Jan 2010

48700 mi

US $100
Some dash and external lights stay on even when ignition is off and key is removed. This drains the battery overnight. 
Apr 2010

51000 mi
Was idling rough with check engine light on, dealer replaced all 8 ignition coils under a recall. Fixed. 
Audi S4 in New York, United States
May 2009 - Jun 2012
Aug 2009

49000 mi
Battery died, replaced front pads 
Jul 2010

57700 mi
gas strut not providing enough lift to hold the hood open 
Aug 2010

58300 mi

US $200
glovebox lid latch replaced  alloy wheel center medalion replaced two wheels 60k service performed 
Jan 2011

65000 mi

US $500
65k service, front pass window regulator trunk latch not latching when cold > 32degrees brake bulb blown need to remove trunk carpet to replace, drivers driving light intermittent, pass xenon headlight intermittent 
May 2012

74300 mi

US $1100
Starter motor failed 
Audi S4 in Massachusetts, United States
Jul 2013 - Sep 2014
Sep 2014

90000 mi

US $285
Rebuilt front right and front axles. Inner boot torn. 
Audi S4 in Michigan, United States
Sep 2010 - Oct 2012
Nov 2010

88500 mi

US $210
Driver's window stopped working. Advised dealer that I thought it was a short. Dealer quoted $1000 for replacing Motor, actuator, and switch. Decided not to do the repair. My further investigation revealed broken wires in the door jamb. 
Dec 2010

89000 mi

US $180
Ordered a new wiring harness (OEM) for driver's door, and installed it myself. Everything is now working properly. 
Sep 2012

99000 mi

US $730
Both upper control arms replaced (front driver side). 
Oct 2012

99000 mi
Timing chain guides / tensioners failed. Dealer quoted $10,000 to repair. TEN THOUSAND DOLLARS! Will most likely have to sell the car for parts. If you ask me, this is a MAJOR design flaw. I bought this V8 so it would last! The irony... 
Audi S4 in California, United States
Oct 2008 - Dec 2015
Mar 2012

76000 mi

US $831
upper control arm bushings are torn on front suspension. 
Oct 2012

77000 mi

US $772
Driver side window stopped rolling up or down. 
Jun 2013

80000 mi

US $1000
They are worn out. Front brakes were worn out. 
Dec 2013

85000 mi

US $554
Battery went down. 
Feb 2014

85700 mi

US $1560
Headlights dipped on almost every turn. Needed to replace the entire headlight assembly. 
May 2014

87000 mi

US $120
Brake light was turned on. Brakes were being engaged automatically without being pressed. That was slowing down the car. 
Audi S4 in Texas, United States
Sep 2013 - Jan 2014
Oct 2013

69000 mi

US $639
Secondary radiator coolant leak. Radiator was replaced. Headlight wiring harness cracking and deteoriation, to the point of needing replacement. Replaced headlight assemblies, bulbs, ballasts on both sides. 
Nov 2013

69000 mi

US $1800
Compressor failed. Replaced compressor, dryer, serpentine belt, condensor. Waterpump also was defective, was replaced. 
Audi S4 in Alberta, Canada
Feb 2011 - Sep 2013
Dec 2012

126480 mi

C $1250
Fuel pump was replaced and by doing so the fuel lines cracked so they were also replaced 
Audi S4 in Virginia, United States
Jan 2012 - Sep 2013
Mar 2012

76000 mi
Coil pack overloaded and caught fire. Replaced as a recall at no cost. 
Aug 2013

96300 mi

US $400
Starter failed, and had to be replaced. 

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2005.5 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

Audi A4 in Great Britain
Feb 2010 - Mar 2014
Apr 2010

23000 mi

£400
The age old problem of the coolant flange seal failing. Replaced along with a minor oil seal. Car properly fixed this time. If you are leaking coolant from the back of the engine block on this age / engine, then it is the flange. 
Nov 2012

43000 mi

£600
Alternator faulty. Replacement also faulty, no more alternators in the UK, so car at Audi garage for 6 days. 
May 2013

47000 mi

£500
Anti-roll bars bush failed Rear brake lines perishing 
Sep 2013

49000 mi

£34
PCV valve failure. Idle very poor. Appears to be a common problem easily fixed with a replacement part. 
Audi A4 in Illinois, United States
Jan 2010 - Jun 2011
Mar 2010

84000 mi

US $120
PCV valve failed. Replaced with knock-off part.  
Audi A4 in Pennsylvania, United States
- Apr 2005
Apr 2005

200 mi
Replacement of remote key FOBs. 

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2005.5 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in California, United States
Nov 2007 - Mar 2016
Feb 2008

30000 mi
Intermittent error from "Intake Flap Motor." Dealer performed ECU flash. CEL came on again next day. Intermittent error from "Intake Flap Motor." Dealer replaced flap motor. 
Jun 2009

44000 mi
Broken motor mount was replaced under warranty. Glove compartment door hinge cracked. Glove compartment door replaced under warranty. 
Oct 2010

56000 mi

US $50
Difficulty filling gas tank. Dealer replaced fuel tank evaporation canister. Suspension bushings worn. Parts ordered but not yet replaced. Suspension bushings replaced 
Jun 2011

62000 mi
Low beam headlight intermittently goes out. Problem could not be replicated or solved by dealer. 
Jul 2012

71000 mi

US $730
Failing low pressure fuel pump and pressure sensor replaced. 
Aug 2012

72500 mi
Failing high pressure fuel pump and camshaft Failed turbo valve Failed coolant temp sensor 
Mar 2013

77000 mi

US $600
Emissions sensor causing car to run rich -- replaced. Side airbag sensor malfunction - replaced 
Aug 2013

81000 mi
Low presssure fuel pump replaced. Fuel pump was replaced about 12 months ago under warranty and replaced again under warranty. 
Jul 2014

93700 mi
Left headlight flickers, goes out. 
Oct 2014

96000 mi

US $943
Worn throttle body; replaced. 
Sep 2015

107000 mi

US $1000
Replaced engine mounts 
Mar 2016

115000 mi

US $1900
Replaced fuel pump Replaced CV joint boots Replaced window regulator 
Audi A4 in Minnesota, United States
Feb 2009 - Jun 2011
Apr 2009

36000 mi

US $100
Oil seal leak in the engine 
Jul 2009

39000 mi

US $50
Oil leak related to a cam shaft seal. The head was damaged around the seal so the head was replaced. 
Mar 2010

49000 mi

US $50
Cruise control was not working due to sticky clutch switch 
Audi A4 in Massachusetts, United States
Aug 2007 - Jun 2011
Aug 2008

105000 mi

US $1075
Went in for alignment and oil change - ended up getting alignment, 4 new tires, front headlight (small bulb) and wash 
Feb 2010

147000 mi
Adaptive headlights starting to flicker. 
Audi A4 in California, United States
Aug 2007 - Mar 2014
Nov 2008

42000 mi
Check engine light came on and was resolved with a programing modification 

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2005.5 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

Audi A4 in Illinois, United States
May 2011 - Mar 2016
Feb 2012

55500 mi

US $895
HID control unit needed to be replaced. 
Feb 2013

65500 mi

US $140
Brake lights would come on and stay on. Brake light switch replaced. 
Apr 2013

67000 mi

US $600
Power window regulator failed 
Jan 2015

79000 mi

US $350
Headlight bulb replaced 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

Audi A4 in Florida, United States
Apr 2008 - Oct 2009
May 2008

35000 mi
Air Compressor was replaced under warranty. AC would not cool when car was started but would be ice cold once underway. (after higher than idle revs for a bit) 
Jul 2008

37000 mi
Two ignition coil packs where replaced under warranty. 
Sep 2008

39000 mi
Transmission Control Module - took more than a week to order and get from Germany. These things are matched to car's VIN number?!? A day or less to swap. Got CEL; drove straight to dealer; they took care of everything including identical car as loaner. 
Oct 2008

41000 mi
Cooling steel braided lines for Turbo where kinked and leaked both coolant and oil onto manifold creating a lot of smoke. Suspect damage done in previous repair... 
Aug 2009

48000 mi

US $375
window regulator replaced; pricy! car 2 weeks out of warranty... dealer gave 10% discount 
Audi A4 in Texas, United States
Nov 2009 - Mar 2010
Dec 2009

61000 mi
Transmission Neutral Position Sensor Stop Light Turns ON after parking overnight, on lower temperatures. Cooling System Thermostat 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

Audi A4 in Georgia, United States
Mar 2015 - Jul 2015
Apr 2015

143000 mi

US $300
Carbon buildup on intake caused repeated misfire on cyl.4, POOR performance, POOR mpg, high sulfuric-exhaust odor (NOx). Intake Cleaned, #4 fuel injector replaced, 1 ignition coil replaced, plugs gapped/cleaned Root:CARBON BUILDUP 
May 2015

145500 mi

US $290
Replaced All Pads and Rear Rotors Broken Headliner retainer trim piece, broken blank insert from upper center console Charge Air/Intake Hose Leak; Replaced All Charge Air Hoses & Lower PCV Hose 
Jul 2015

148000 mi
CV joint needed replacement, clicking noise while turning Worn intake camshaft timing chain & tensioner causing rattle on startup and after engine reaches operating temp; Oil leak from rear vacuum pump assy; #2 Cylinder misfire as per OBD; Small vacuum leak still persists as per OBD On Board computer shows error for tail lamp failure when no bulb failure exists; Headlamp bulb assy. broken from retaining pcs causing headlamp to move freely; Coolant leak from rear of engine @ water flange; 
Audi A4 in Rhode Island, United States
Nov 2010 - Jun 2011
Dec 2010

80000 mi

US $3400
complete engine failure due to sludge build up 
Audi A4 in New York, United States
Sep 2008 - Jun 2011
Nov 2009

65000 mi

US $1000
High pressure fuel pump cam follower face was worn completely through resulting in damage to the cam lobe. Cam and follower were replaced. 
Jan 2011

89000 mi

US $300
Xenon bulbs replaced to resolve intermittent headlight fault (left and right) 
Mar 2011

92000 mi

US $200
Rusted exhaust pipe clamp. Very noisy. Replaced clamp and cleaned up pipes. Quiet afterward. 
Audi A4 in New York, United States
Jan 2008 - Jun 2014
Oct 2008

36449 mi
Left Brake Light and Camchain Tensioner 
Oct 2009

48000 mi
Crankcase vent regulating valve(PCV). 
Apr 2010

52000 mi

US $50
Corrosion on Cam Lobes (Replaced Camshaft) Valve Cover (Replaced) Intake Flap Motor(Replaced TSB:2016868)  
Oct 2010

57000 mi

US $50
Water Pump Replaced Right Engine Mount Replaced 
Mar 2011

61000 mi

US $50
Front Sway Bar Links Low Pressure Fuel Sensor Brake Light Switch 
Apr 2012

72000 mi

US $386
Turbo Bypass Valve(Diverter Valve)Replaced with Revision D Part Number. Driver Front Window Regulator 
May 2012

73000 mi

US $326
Front Left(Driver) Wheel Bearing Changed. Squeaking when breaking. 
Oct 2012

76300 mi

US $420
In-Tank Fuel Pump + Seal + Coupling Nipple (Replaced: 8E0919051CQ, 1J0919133B, 8E0201263G) 
Dec 2012

78000 mi

US $52
Trunk Latch (Replaced) Does not latch when very cold outside. 
May 2013

83000 mi

US $165
Oil Cooler Gasket Ignition Coil(Cylinder #1) 
Jun 2013

84000 mi

US $498
Coolant Hose Flange(06D121132C:Back of engine) and related hardware. CTS, clip, small hose, x2 hoses, x2 grommet. 
Audi A4 in California, United States
Mar 2010 - Jun 2012
Jul 2011

70000 mi

US $495
Check engine light, suddenly sluggish up hills. Replaced turbo cutoff valve. Unclog leak detection pump and replace its hose. 
Nov 2011

74700 mi

US $78
Diagnostic for sluggish performance. No problem found. Symptom persisted for a couple of weeks. Not currently an issue. Expect full resolution at next service (major- plugs, etc.) Installed new 'Console Armrest door Leatherette w/o mobile phone Pl' due to broken latch. Is this just Wear and Tear? -- Less than 75,000 mi., 5 years old; very well cared for; you decide. (No trim issues on older, higher mi. Acura.) 
May 2012

82000 mi

US $112
Repeated tail light failure. Replaced Bulb Holder (8E5 945 257 C) - $59.50 
Jun 2012

83000 mi
Replace PCV, also a TSB. 
Audi A4 in Minnesota, United States
Oct 2009 - Mar 2010
Nov 2009

62000 mi

US $336
Failed crankcase pressure regulating valve. 
Audi A4 in Massachusetts, United States
Sep 2005 - Sep 2015
Oct 2005

5000 mi
Keyless entry stopped working on both key fobs. Dealer replaced keys, was a known problem. 
Jan 2006

10000 mi
Sound system did not work in very cold weather - would turn on but no sound came out. Dealer replaced amplifier under warranty. 
Dec 2006

20000 mi
Leaked coolant in cold weather. Dealer replaced leaking engine flange under warranty. 
Apr 2007

30000 mi
Brake lights would turn on spontaneously at night while the car was parked. Dealer replaced brake switch under warranty. 
Aug 2008

57000 mi

US $85
Check engine light was on. Scanned the codes, indicated boost pressure too low. Turbo Recirculating valve (diverter valve) diaphragm was torn. Replaced valve. 
Apr 2009

71000 mi

US $497
Right Front Wheel Bearing was bad. Very loud noise while driving that got worse over the past several hundred miles. 
Dec 2009

82000 mi
Passenger headlight out. 
Mar 2010

85000 mi

US $150
Check engine light came on, car idled high. Replaced broken PCV valve 
Nov 2010

95000 mi

US $100
Had to replace worn high pressure fuel pump intake cam follower after finding metal shavings during oil change 
Feb 2012

109000 mi

US $308
Check Engine light on. Intake Manifold Control Motor (adjuster) had failed. Obtained part from dealer and replaced it myself. There is a warranty on this part for some VINs but not mine. 
Mar 2012

110000 mi

US $1261
Timing belt replacement, including water pump and tensioner. Replaced thermostat; was stuck open. Replaced accessory belt pulleys due to excessive wear and noise. Driver's side headlight out 
Aug 2013

133700 mi

US $75
Code p0299. Replaced diverter valve 
Feb 2015

156300 mi

US $2100
Replace both front upper and lower control arms. Broken downpipe and hole in y pipe Both front power window regulators broken 
Jun 2015

161000 mi

US $596
Drivers side wheel bearing very noisy. Bearing was seized to hub. Replaced both bearing and wheel huv. 
Audi A4 in Idaho, United States
Sep 2012 - Mar 2016
Mar 2016

129000 mi

US $179
Diverter valve replacement Oil filter assembly housing leaking 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual FWD

Audi A4 in South Carolina, United States
Dec 2014 - Dec 2014
Dec 2014

130000 mi

US $50
Window regulator was broken 
Audi A4 in Colorado, United States
May 2007 - Dec 2012
May 2008

63000 mi

US $400
Window regulator was shot. 
Nov 2008

70000 mi

US $500
Fuel distributor control unit needed replacing. 
Aug 2012

118500 mi

US $75
Window regulator need to be replaced 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in Georgia, United States
Feb 2007 - Sep 2015
Aug 2008

48000 mi
Turbo switch valve went bad. 
Dec 2011

96000 mi

US $1600
Thermostat beginning to malfunction. I replaced it before warm weather/heavy driving, $828. Right passenger door lock actuator had to be replaced, $688. 
Sep 2013

126000 mi

US $1000
New fuel pump, replaced sensors 
Jan 2014

127300 mi

US $900
Oil leaks 
Audi A4 in Wisconsin, United States
Dec 2006 - Jun 2011
Dec 2007

69000 mi

US $600
Bottom Windshield Wiper resevoir cracked. All fluid leaks out now! 
Nov 2010

87000 mi

US $4782
Fuel valve eaten by engine; required new top end, fuel pump, filter. 
Audi A4 in Pennsylvania, United States
Jan 2007 - Mar 2016
May 2007

27000 mi
 
Jan 2011

86300 mi

US $300
Replaced purge valve 
Mar 2011

91000 mi

US $500
Charcoal Canister replaced 
Aug 2012

105500 mi

US $90
Exhaust system hanger replaced 
Jun 2015

130000 mi

US $450
Replaced front brake rotors and pads 
Audi A4 in Connecticut, United States
Oct 2007 - Apr 2008
Dec 2007

31000 mi
Engine ran rough at start up - like only two or three cylinders firing. Three restarts had same problem. After waiting a few minutes another restart had a smooth engine but the light was on. Apparently there was a TSB on this faulty "ventilation valve". 
Audi A4 in California, United States
Oct 2007 - Mar 2010
Jun 2007

25000 mi
Hard to downshift from 3rd to 2nd, hard to shift from 1st to 2nd. Replaced the gearbox. Not fixed Adjusted the shifter pattern plate. Fixed 
Audi A4 in New York, United States
Mar 2006 - Jan 2008
Sep 2006

20000 mi
coolant leakage 
Nov 2006

23000 mi
license plate light socket short. 
Audi A4 in Florida, United States
Nov 2007 - Jun 2011
Jan 2008

41000 mi
radio replaced under warranty (flaking on plastic knobs) 
Mar 2010

89000 mi
CEL, software fix paid for by CPO warranty. 
Jun 2010

91000 mi
Airbag light on - dealer ordered "seat belt sensor" for passenger side but never followed up to install. The light has since been off. 
Aug 2010

96000 mi

US $50
Dealer replaced FSI fuel pump, cam follower and camshaft per TSB (original manufacturer defect) after check engine light code found. 
Audi A4 in Ohio, United States
Jan 2009 - Mar 2010
Feb 2009

52000 mi

US $2000
Dual-mass flywheel failure. Symptoms were consistent with a slipping clutch. 
Audi A4 in Missouri, United States
Aug 2008 - May 2012
Nov 2008

22000 mi
Trunk does not latch. First happened in sub-freezing weather. Dealership replaced parts under warranty. 
Mar 2009

26000 mi

US $96
Cold start problems. Car hesitated before cranking over. Only happens in sub-freezing temp. Dealer found a TSB and reflashed ECU to a newer version. Problem solved. 
Sep 2009

31000 mi

US $50
Rattle/vibration from driver side window when car is moving (usually over bumps etc) or when shutting driver side door. Window regulator was replaced. 
Mar 2010

38000 mi

US $50
The airbag light would come on intermittently when there are passengers in the car. Dealer diagnosed: passenger seat belt tensioner was not working as intended. Dealer ordered and replaced parts. Paid my deductible for the CPO warranty. 
Jul 2010

41000 mi

US $50
turbo intake valve not working as intended. car shuddered at low RPM low speed. Dealer fixed under extended warranty 
Nov 2010

45500 mi

US $50
Check engine light comes up for a day or two than went away. Dealership measured fuel pressure & replaced sensor (under CPO warranty). CEL came back on after I got the car back. Took back to the dealership and they replaced the fuel pump. 
Audi A4 in Illinois, United States
Jun 2009 - Jan 2012
Mar 2009

40000 mi
Replaced the PCV valve under warranty. Also did the 35k mile service. Spark plugs replaced. 
Jun 2009

51000 mi
Replaced the turbocharger K03 under warranty @ 51,000 miles. Did the 45,000k service. 
Aug 2009

51000 mi
Purchased high pressure fuel pump and filter from the dealer and then installed at Rennart. Date is 8/24/2009 Replaced the fuel pressure sensor - Audi dealer - 8/4/2009 
Jul 2010

73000 mi

US $150
Valve replaced, fuel line 
Aug 2011

89500 mi

US $550
Reflashed ECU with Revo stage 1 $550 - 8/12/2011 
Dec 2011

96000 mi
Changed the high pressure fuel check valve with an upgraded unit. Did not solve fuel cut issues, may need larger fuel pump due to engine software upgrade. 
Audi A4 in Illinois, United States
Jun 2008 - Dec 2014
Sep 2014

56000 mi

US $100
thermostat replaced 
Audi A4 in California, United States
Nov 2010 - Mar 2013
Mar 2013

102000 mi

US $950
Control arms worn Intake flap motor failed. It's not affecting drivability fortunately. I plan to replace it soon, haven't had the time to drop off the car. It's emission related but my fuel mileage has suffered a bit. 
Audi A4 in Pennsylvania, United States
Feb 2014 - Dec 2015
May 2014

120500 mi

US $250
AC system was running low on refrigerant. No leak was detected. 
Audi A4 in New Jersey, United States
Sep 2008 - Sep 2011
Dec 2010

72000 mi

US $200
Trunk latch is electronic - actuator & latch components were replaced. 
Audi A4 in Ontario, Canada
Jan 2010 - Jan 2014
Jun 2010

65720 mi
Buildup on intake valves resulting in misfires on cylinder #3 during first five minutes after a cold start. 
Nov 2010

70060 mi

C $25
Clutch switch sensor replaced. 
Dec 2010

70680 mi

C $85
Replace trunk latch 
Feb 2011

73160 mi
Coolant thermostat stuck open, started to act up the first winter after the warranty expired to the point I had very little heat in the winter. 
Sep 2011

81840 mi

C $80
Replaced trunk latch as it wouldn't latch properly when the temperature dropped below freezing and fixing it before winter arrives. 
Oct 2011

84940 mi

C $520
Replaced failing high pressure fuel injector on cylinder #3 
Aug 2012

97700 mi

C $760
Front left/right wheel bearing worn and replaced. Track day probably had a factor in this. 
Oct 2012

99200 mi

C $30
Was getting subtle misfires for a month, then it gave up due to a coilpack failing. Tow home cost me $500 because of a $30 part failing. 
Nov 2012

99800 mi

C $25
Another coilpack failed. Same one from the recall back in December 2009. Had spare coilpack in car this time to avoid being stranded on the side of the road. 
Dec 2012

100440 mi

C $210
Xenon bulb replaced 
Dec 2013

112840 mi

C $800
L/R motor mounts replaced, hood strut, oil change 
Jan 2014

112840 mi
PVC replaced 
Audi A4 in Oregon, United States
Nov 2008 - Mar 2010
Feb 2009

45000 mi
Rear high mount stop light works sometimes, sometimes it does not. Seat belt warning chime beeps even when seatbelt is buckled. Truck would not latch when closing. It would have to be slammed 5 or 6 times. 
Apr 2009

47000 mi
Drivers side window would not roll up. 
Audi A4 in New York, United States
Jan 2014 - Sep 2014
Apr 2014

136700 mi

US $350
Wheel bearing on Driver side. 

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2005.5 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

Audi A4 in Arizona, United States
Sep 2014 - Dec 2014
Sep 2014

100000 mi

US $300
Rear Sunshade Motor Failed 
Audi A4 in Delaware, United States
Jul 2011 - Mar 2016
Oct 2012

93700 mi

US $950
Oxygen sensor replaced, high pressure fuel pump replaced, vacume hose replaced. Engine Light on dashboard stays on. Computer diagnosis indicates fuel pump repair required. 
Jan 2013

95700 mi

US $850
Broken arm on intake manifold air dam In-tank fuel pump was not providing proper pressure of fuel feeding to engine 
May 2014

102300 mi

US $163
Replace Fuel Tank Seal 
Dec 2014

106000 mi

US $709
Replace Right Bank cam solenoid, reset valve timing, replace valve cover gaskets. 
Audi A4 in New Jersey, United States
Nov 2007 - Apr 2013
Dec 2007

25000 mi
2 faulty ignition coils were causing cylinder misfires which lead to the engine being rough at idle. The ignition coils were replaced under the manufacturer's warranty. 
Jan 2009

34000 mi
Trunk latch was defective and would not stay closed. Replaced under warranty. 
May 2009

37000 mi
Driver side window regulator replaced under factory warranty Outstanding work: Torn vinyl side bolster Torn vinyl side bolster - quoted $200 to replace. Complained to Audi of America about not being covered under warranty. No solution provided. 
Feb 2010

44500 mi
replaced warn front brake pads 
Apr 2011

56000 mi
Rip in driver side bolster re-opened after being repaired twice. Dealer paid for it and considered it "goodwill". Tried to blame the problem on me (not manufacturing defect) and said this is the last time it will be paid for. 
Oct 2011

62000 mi

US $650
Oil leaking from manifold. Extensive labor charges incurred to repair a $15 gasket that prematurely failed. 
Oct 2012

69700 mi

US $300
Engine is slow to turn over. Replaced fuel sensor and fuel filter. Declined throttle body and injection cleaning service. Problem still exists 
Mar 2013

73000 mi
Rear Cam oil leak Valve cover oil leak Rear Differential leak 
Apr 2013

73000 mi
Rear cam oil leak not repaired. 
Audi A4 in Minnesota, United States
Dec 2015 - May 2016
May 2016

127000 mi

US $400
Routine maintenance of new spark plugs revealed a failed VALVE COVER GASKET on one side leaking oil. Gaskets on both sides of the v6 engine were replaced. Prior minimal oil consumption reduced to near zero in subsequent 4k miles of driving. 

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2005.5 Audi A4 2dr Convertible

turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD

Audi A4 in Alabama, United States
Dec 2009 - Mar 2016
Mar 2012

80000 mi

US $70
belt tension pully bearing started squealing. changed pully 
Jul 2012

80000 mi

US $1600
replaced turbo 

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2005.5 Audi A4 / S4 / RS4

Engine not specified

Audi A4 in California, United States
Dec 2006 - Mar 2010
Jan 2007

23000 mi
Door rattle from faulty latch. replaced Dome light out. Replaced. 
Audi A4 in Virginia, United States
Jan 2011 - Dec 2012
Mar 2011

80000 mi

US $1200
One of the fan blades got loose causing noise against the radiator, apparently is a frequent complaint(?), Fan was replaced. 
Audi A4 in Texas, United States
Jul 2012 - Aug 2012
Aug 2012

78000 mi

US $7500
Check engine came on and 20 miles later, car died. Cam shaft seized, something to do with not getting oil, no oil pressure light came on though, pistons bent the valves, got a new cylinder head and cam shafts. turbo seized also. rebuilt. 
Audi S4 in Maryland, United States
Mar 2010 - Jun 2011
Apr 2010

51000 mi

US $50
Airbag warning light illuminated. 

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2005.5 Audi A4 / S4 / RS4 4-door

turbocharged 4-cylinder manual AWD

Audi S4 in Michigan, United States
May 2008 - Jun 2011
Nov 2010

76500 mi

US $250
fuel pump failure; replaced pump under extended warranty and fuel filter out of pocket expense. 
Dec 2010

78000 mi

US $50
Glove box hinge break- replaced under warranty 

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2006 Audi A4 / S4 / RS4 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 Audi A4 / S4 / RS4 problems occur, check out our car reliability stats.