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2004 Audi A4 / S4 / RS4 repairs by problem area

Chart based on 481 repairs.

2004 Audi A4 / S4 / RS4 repair cost distribution

Chart based on 227 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 2004 Audi A4 / S4 / RS4 repair histories. Log in or join us to see them all.

2004 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in Minnesota, United States
Aug 2008 - Mar 2010
Oct 2008

50000 mi

US $50
The compressor went out on the AC. In order to replace the $600 part, the bumper and other front-end parts needed to be removed. 
Audi S4 in Maryland, United States
Jul 2008 - Jun 2012
Aug 2008

46000 mi

US $240
New rear rotors (old rear rotors were too worn to pass MD state inspection) 
Jan 2009

52000 mi

US $60
Ignition Coil went bad and was replaced by me. 
Mar 2009

54000 mi

US $50
Another Ignition coil went bad. Replaced in an hour by me. 
May 2009

57000 mi

US $125
My front passenger side window regulator went bad (known VW/Audi problem). The regulator was successfully replaced by me. 
May 2010

66000 mi

US $300
My fuel pump died. Part was replaced by me. 
Aug 2010

69000 mi
Auxiliary radiator was leaking. Part replaced by me. 
Nov 2010

73000 mi

US $220
The inner cv boot on my front drivers side axle was torn. The part was successfully replaced by me. 
Jun 2011

80000 mi

US $300
I was having a slight vibration at certain speeds so I changed out the outer tie rods. While working I noticed the control arms and inner tie rods were going bad as well. So I replaced them all while I already had the car apart. 
Jul 2011

81000 mi

US $50
One of my O2 sensors went bad and i replaced it myself. 
Apr 2012

87000 mi

US $250
The dual mass flywheel started to fail by separation which is a known failure point of the b6s4. A vibration could be felt when reving the car. The part was replaced successfully by me. 

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2004 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 6-speed manual AWD

Audi A4 in Colorado, United States
Feb 2008 - Mar 2010
Mar 2008

45000 mi
Seatbelt in back was replaced caused airbag light when engaged, also had 45,000 maintenence done for free. 

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2004 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed shiftable automatic AWD

Audi A4 in Quebec, Canada
Oct 2007 - Dec 2008
Jul 2008

42160 mi

C $50
Whining high pitched sound from front end...left front wheel bearing 
Oct 2008

44640 mi
The rack and pinion was changed successfully with no charge under extended warranty at the dealer.  
Audi A4 in Maryland, United States
Sep 2007 - Jan 2011
Jul 2008

57000 mi

US $50
Bad (howling right front wheel bearing replaced under CPO warranty with $50 deductable) 
Nov 2008

62000 mi
Fuel pump died. Replaced under CPO warranty Passenger front Window regulator was bad. Dealer replaced under CPO warranty 
Dec 2008

64000 mi

US $50
Leaking bleeder screw on hard coolant pipe. Leaking cam chain tensioner/valve cover gaskets. Finally after 4th time mentioning it, do they consider it not normal and repair. 
Sep 2010

95000 mi

US $100
bleeder check valve for the breather system and a couple of molded hoses were cracked. Caused rough running and check engine light, lean fuel codes.  
Audi A4 in Alberta, Canada
Feb 2008 - Mar 2010
Mar 2008

34720 mi

C $300
Computer lost settings, had to be reflashed. 
Audi A4 in California, United States
Sep 2007 - Jun 2012
Oct 2007

40000 mi

US $350
wheel bearings replaced 
Feb 2009

49000 mi

US $500
Rear brakes replaced oil changed 50k service. 
May 2009

50000 mi

US $1090
needed new water pump as fluid was leaking. got new timing belt too! 
Jun 2009

51000 mi

US $250
coolant temp thermostat replaced 
Jan 2011

62000 mi

US $650
both axles and boot replace seat fixed and 
Jun 2011

64000 mi

US $50
window motor and sunroof motor replaced 
Oct 2011

67000 mi

US $200
Fuel pump died, pump was replaced and fuel filter was replaced 
Feb 2012

70000 mi

US $500
Needed new front brakes pads and rotors 
Mar 2012

71000 mi

US $70
Leaking hoses to be replaced 
Audi A4 in Pennsylvania, United States
Oct 2007 - Jul 2013
Feb 2008

23000 mi
Noise coming from rear seat. Seat bracket needed retightened and greased. 
Dec 2009

53000 mi

US $100
Coil Packs Failed Windshield Wiper linkage/motor failed 
Jun 2013

100000 mi

US $165
AC needed recharged and checked for leaks. 

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2004 Audi A4 2dr Convertible

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

Audi A4 in Arkansas, United States
Oct 2007 - Aug 2009
Nov 2007

38000 mi
Brake switch failed causing brake lights to stay on (most of the time); caused battery to discharge 
Oct 2008

55000 mi
Replace right front wheel bearing. 

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2004 Audi A4 / S4 / RS4

Engine not specified

Audi A4 in New Jersey, United States
Sep 2007 - Mar 2010
Oct 2007

113000 mi
Told I need a new engine because of excessive valve wear. Note: Dealer performed ALL scheduled maintenance on this car. Audi refused to particpate in the $10K cost, so I traded car for a Prius. 

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2004 Audi A4 / S4 / RS4 Repair Histories

247 TrueDelta members own (or used to own) a 2004 Audi A4 / S4 / RS4. 128 of these members (51.8%) have reported repairs for their car. A total of 481 repairs to 2004 Audi A4 / S4 / RS4s--an average of 1.9 per vehicle--have been reported.

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 2004 Audi A4 / S4 / RS4 problems occur, check out our car reliability stats.