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2004 Audi A4 / S4 / RS4 Problems and Repair Histories

Don't infer 2004 Audi A4 / S4 / RS4 problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2004 Audi A4 / S4 / RS4 repairs by problem area

48% of the 2004 Audi A4 / S4 / RS4 repairs were to the engine, 6% to the transmission, 6% to the brakes, 13% to the suspension, 22% to the electrical or air-conditioning systems, 3% to the body and trim, and 2% to other areas of the vehicle.

Chart based on 356 repairs.

2004 Audi A4 / S4 / RS4 repair cost distribution

Of the 2004 Audi A4 / S4 / RS4 repairs that were not covered by warranty and were not do-it-yourself repairs, 8% cost less than $100, 39% between $100 and $499, 28% between $500 and $999, 18% between $1000 and $2499, and 7% more than $2500.

Chart based on 169 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 problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2004 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

Audi S4 in Minnesota, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Aug 2008 49000    
50000 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
Date Odometer
(in miles)
Cost Problem/Repair Description
Jul 2008 46000    
46000 240 New rear rotors (old rear rotors were too worn to pass MD state inspection) 
52000 60 Ignition Coil went bad and was replaced by me. 
54000 50 Another Ignition coil went bad. Replaced in an hour by me. 
57000 125 My front passenger side window regulator went bad (known VW/Audi problem). The regulator was successfully replaced by me. 
66000 300 My fuel pump died. Part was replaced by me. 
69000 0 Auxiliary radiator was leaking. Part replaced by me. 
73000 220 The inner cv boot on my front drivers side axle was torn. The part was successfully replaced by me. 
80000 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. 
81000 50 One of my O2 sensors went bad and i replaced it myself. 
87000 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
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2008 44000    
45000 0 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
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2007 34100    
42160 50 Whining high pitched sound from front end...left front wheel bearing 
44640 0 The rack and pinion was changed successfully with no charge under extended warranty at the dealer.  
 
Audi A4 in Maryland, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 42000    
57000 50 Bad (howling right front wheel bearing replaced under CPO warranty with $50 deductable) 
62000 0 Fuel pump died. Replaced under CPO warranty Passenger front Window regulator was bad. Dealer replaced under CPO warranty 
64000 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. 
95000 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.  
103000  
Audi A4 in Alberta, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2008 33480    
34720 300 Computer lost settings, had to be reflashed. 
 
Audi A4 in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 38000    
40000 350 wheel bearings replaced 
49000 500 Rear brakes replaced oil changed 50k service. 
50000 1090 needed new water pump as fluid was leaking. got new timing belt too! 
51000 250 coolant temp thermostat replaced 
62000 650 both axles and boot replace seat fixed and 
64000 50 window motor and sunroof motor replaced 
67000 200 Fuel pump died, pump was replaced and fuel filter was replaced 
70000 500 Needed new front brakes pads and rotors 
71000 70 Leaking hoses to be replaced 
 
Audi A4 in Pennsylvania, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2007 16000    
23000 0 Noise coming from rear seat. Seat bracket needed retightened and greased. 
53000 100 Coil Packs Failed Windshield Wiper linkage/motor failed 
100000 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
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2007 36000    
38000 0 Brake switch failed causing brake lights to stay on (most of the time); caused battery to discharge 
55000 0 Replace right front wheel bearing. 
 

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2004 Audi A4 / S4 / RS4

Engine not specified

Audi A4 in New Jersey, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 110000    
113000 0 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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