2001 Audi A4 Audi A4 2001

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2001 Audi A4 repairs by problem area

Engine (47%)

Transmission and Drivetrain (11%)

Brakes and Traction Control (6%)

Suspension and Steering (17%)

Electrical and Air Conditioning (14%)

Paint, Rust, Leaks, Rattles, and Trim (1%)

Other (3%)

Chart based on 172 repairs.
See TSBs and recalls for the 2001 Audi A4.

2001 Audi A4 repair cost distribution

$2500+ (4%)

$1000 - $2499 (14%)

$500 - $999 (19%)

$100 - $499 (41%)

< $100 (23%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 139 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2001 Audi A4

Engine not specified

Audi A4 in California, United States
May 2009 - Mar 2010
Jun 2009

83000 mi

US $1600
Suspension, control arms. 
Audi A4 in Hawaii, United States
May 2009 - Mar 2010
Jun 2009

79000 mi

US $1350
Air bag light came on and needed to replace air bag module (about $900). Turn signal stopped working about same time. Replaced flasher relay. 
Audi A4 in Colorado, United States
Nov 2007 - Mar 2010
Dec 2007

104000 mi

US $300
ABS and ESP light appeared - signaling a bad brake system sensor switch, which deactivated the ABS/ESP system. Seems fine now. 
Audi A4 in California, United States
Dec 2011 - Jan 2012
Jan 2012 Digital information screen in the instrument cluster is totally pixelated. Unreadable. Can turn it off though, so just not using for now. Self-dimming rear view mirror leaked fluid. No more dimming. Currently using a larger clamp on mirror (Broadway), so no hurry to fix leaky one. 

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2001 Audi A4 4dr Wagon

turbocharged 250hp 2.7L V6 6-speed manual AWD

Audi A4 in North Carolina, United States
May 2008 - Sep 2011
May 2010

92000 mi

US $600
Both diverter valves for each turbo were bad along with the turbo Y pipe boot. 
Sep 2010

94000 mi

US $530
Bad rear wheel bearing and front tie rod ends. 
Mar 2011

98000 mi

US $600
Faulty axles replaced. Control arm set replaced. 
Audi A4 in Ohio, United States
Jan 2010 - Feb 2010
Feb 2010

136000 mi

US $1450
CV boot replaced. 

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2001 Audi A4 4dr Wagon

turbocharged 170hp 1.8L I4 5-speed manual AWD

Audi A4 in Massachusetts, United States
Aug 2010 - Jan 2013
Dec 2010

119000 mi

US $500
No power to fuel pump and coil packs. There was a dead short that also caused the fuel pump relay to fail. 
Feb 2011

120000 mi

US $1603
Went in for an alignment, found broken left rear spring and a torn right front CV boot. After both rear springs and right front CV were replaced, the alignment was done. Also replaced coil packs under TSB, but that was free. 
Apr 2011

122000 mi

US $480
Both rear wheel bearings had to be replaced. 
Apr 2012

131700 mi

US $1700
Original clutch failed dramatically, friction material broke into three pieces, flywheel worn beyond resurfacing. 
Audi A4 in Georgia, United States
Mar 2008 - Nov 2011
Sep 2008

107000 mi
Four new coil packs. 
Aug 2010

128000 mi

US $1400
Clutch failed, and required replacing with updated dual-mass flywheel. Routine replacement: failure was interesting as OEM flywheel split in two. Not bad for 128K. 

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2001 Audi A4 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

Audi A4 in California, United States
Dec 2011 - Jul 2023
May 2012

104500 mi

US $430
Vacuum leak, leading to sensor trips and check engine light. Bad valve replaced. 
Dec 2012

107000 mi

US $151
Heater not heating properly -- blowing cool air. Coolant level topped of, heater core purged. Helped a little, but heater still not working as it should. Repair would be ~$2000 -- mostly labor to remove dash. 
Mar 2016

112000 mi

US $700
CV joint boot replaced due to cracking. 
Audi A4 in Maine, United States
May 2007 - Oct 2014
Jul 2007

57000 mi

US $2000
Replacement of O2 sensor, knock sensor and CTS sensor. 
Apr 2013

83200 mi

US $305
replaced serpentine belt 
Jun 2014

93000 mi

US $732
replaced rear brake pads and discs: replaced left rear caliper 
Audi A4 in New York, United States
May 2012 - Jul 2012
Jul 2012

82000 mi

US $1500
Replace both rear wheel bearings.  Replace the seals on the rear differential. 
Audi A4 in Wisconsin, United States
Aug 2011 - Jun 2015
Jan 2012

108000 mi

US $10170
Replaced turbochargers. Replaced sway bars and struts 
Dec 2012

111000 mi

US $180
Windshield wiper motor replaced 
Audi A4 in New Jersey, United States
Mar 2013 - Sep 2014
Apr 2013

154000 mi

US $4000
Replaced clutch. Rear wheel bearings. 
Oct 2013

156200 mi

US $819
Leaking gas line and fuel filter 
Mar 2014

158000 mi

US $247
Broken muffler side clamps; leaking exhaust; warning light 
Jul 2014

159200 mi

US $352
Broken brake hose Front brake calipers sticking 

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2001 Audi A4 4dr Sedan

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

Audi A4 in Texas, United States
Jun 2011 - Sep 2011
Aug 2011

79000 mi

US $300
Brought to University Audi in Dallas, TX to have oil changed $90. Blinkers would not work $130 to detect problem $75 for relay switch. $26 tax Total $321 
Sep 2011

83000 mi
Check engine light on. P0171 code. Not repair yet. Research being done currently to see what code stand for. 

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2001 Audi A4 4dr Sedan

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

Audi A4 in New Jersey, United States
- May 2012
May 2012

105000 mi

US $3300
Engine loss due to cracked dipstick (made of plastic). Major engine problems with a loud slapping noise. Fixed belt tensioner, belt, had to open head. 
Audi A4 in Georgia, United States
Oct 2010 - Dec 2010
Nov 2010

117000 mi

US $1400
Heater inoperable. Replaced heater coil [core], r&r dashboard 10 hours labor. 
Audi A4 in Ontario, Canada
Jul 2010 - Jun 2016
Apr 2011

115320 mi

C $1250
Original rear springs were broken. Decided to replace all 4 springs and shocks with aftermarket sport suspension kit instead. 
Jun 2011

117180 mi

C $150
Replace malfunctioning coolant temperature sensor Replace sway bar links and bushings to correct loud clunking noise 
Oct 2011

119040 mi

C $400
Malfunctioning thermostat and radiator connection resulting in total loss of coolant. 
Mar 2012

124000 mi

C $60
Replace rotted flex pipe connection clamp that was the source of an underbody exhaust leak. 
May 2012

124700 mi

C $300
Very noisy engine at hot idle. Replace failed AWM 1.8T cam chain tensioner. Also replaced timing belt during same repair job. Also replaced valve cover gaskets. 
Jun 2012

125860 mi

C $200
Exhaust leak/noise due to corroded flex pipe connection. Replace flex pipe. 
Dec 2012

127720 mi

C $160
Replaced seized rear brake rotors and pads 
Jan 2013

123740 mi

C $40
Replace exhaust manifold gaskets. Was leaking exhaust fumes at manifold-to-turbo connection. 
Oct 2013

132360 mi

C $60
Coolant leaking at engine rear side. Replaced plastic coolant flange and seals. Refill with fresh coolant. 
Mar 2014

136400 mi
Coil pack failure causing misfire. All coil packs replaced for free under recall. 
Apr 2015

141360 mi

C $420
Replace front left wheel bearing Replace exhaust flex pipe 
Nov 2015

141860 mi

C $300
Replace failed left rear wheel bearing 
Dec 2015

142600 mi
Engine misfiring and stalling after start. Problem caused by broken jet suction pump. 
Apr 2016

143220 mi

C $240
Rear wheel bearing 
Audi A4 in Tennessee, United States
Mar 2011 - Jun 2014
Jun 2013

153000 mi

US $650
Front drive shaft boots were broken and leaking grease. Both drive shafts were replaced. 
Sep 2013

156000 mi

US $1800
Timing belt replacement 
Nov 2013

159700 mi
Temperature sending unit was faulty 
Feb 2014

169000 mi

US $1200
Rack and pinion was going bad. It was replaced. 
Jun 2014

169000 mi
Transmission electronic module got filled with water and the electronics died. Car is unmovable and being sold for junk/parts. 
Audi A4 in Massachusetts, United States
Jul 2010 - Jul 2018
Aug 2010

40000 mi

US $678
A water leak was discovered on the passenger side c-pillar. Entire headliner was removed from the interior and leak was determined to be from the rear drain hose.  
Oct 2010

41000 mi

US $170
Replaced transmission output shaft seal that was leaking. 
Audi A4 in California, United States
Mar 2013 - May 2013
May 2013

159000 mi
Header had been broken for a while. 
Audi A4 in Wisconsin, United States
Dec 2011 - Mar 2012
Feb 2012

134100 mi

US $130
No AC Airbag control module failed Vehicle speed sensor failed 
Mar 2012

137000 mi
Heated seat unit burned through drivers seat cushion. 
Audi A4 in Virginia, United States
Jan 2011 - Mar 2011
Feb 2011

69000 mi

US $300
Bad idler tensioner bearing and secondary pulley bearing. Originally diagnosed as water pump 
Audi A4 in Ontario, Canada
May 2009 - Jun 2012
Jun 2009

76260 mi

C $125
Rear Oxygen Sensor 
Jun 2010

88040 mi

C $476
Rotors and pads front and back. Bought cheap Chinese rotors, lasted less than a year. Replaced with stock brakes.  
Apr 2012

99200 mi

C $60
Engine suddenly got noisy, suspected muffler, but was only a rusted clamp. 
Audi A4 in New York, United States
Nov 2007 - Jun 2011
Nov 2008

65000 mi

US $500
In for Oil & Filter Change. Evidence of slight coolant leakage from Water pump. Replaced pump, timing belt, pulley, tensioner, belts and fan clutch. 
Apr 2010

85000 mi

US $220
Replaced noisy rear wheel bearing, apparent after new tires installed 
Dec 2010

97000 mi

US $500
Repair to loose door latch cable. Replace noisy window regulator. 
Jun 2011

109000 mi

US $370
Intermittent check engine light for several weeks, car running perfectly. Tech decoded error log "fuel trim too lean". Replaced Air Flow sensor to correct problem. No further trouble. 

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2001 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual FWD

Audi A4 in Switzerland
Jun 2017 - Jul 2018
Mar 2018

123690 mi

$430
Replaced leaking coolant flange Replaced G40 Hall sensor New Battery 

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2001 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual AWD

Audi A4 in Ontario, Canada
Jun 2010 - Aug 2013
Jul 2010

166780 mi

C $400
One front and one rear wheel bearing 
Aug 2010

168640 mi

C $320
Replaced original alternator with re-manufactured alternator 
Nov 2011

188480 mi

C $1800
Oil light came on. Cause was oil pump. Pump replaced. At same time replaced timing belt.  Both tie rods needed replacing as well. 
Aug 2013

217000 mi
Rough idle. All vac leaks repaired. No improvement. 
Audi A4 in California, United States
Nov 2012 - Jun 2013
Dec 2012

171000 mi

US $495
Water pump leaking, alternator bolt loose(was wearing down timing belt) 
Jun 2013

177000 mi

US $300
Misfire 
Audi A4 in Virginia, United States
Jun 2007 - Jun 2011
Jan 2008

110000 mi

US $500
New wheel bearing and tie rod ends. 
Nov 2008

125000 mi

US $45
Coilpack 
Jun 2009

144000 mi

US $2000
new shocks springs wheel bearings control arms tie rods 
Dec 2009

155000 mi

US $100
axle fell out, then cheap aftermarket replacement part exploded two weeks later fixed axle myself, back on the road 
Audi A4 in Ohio, United States
Nov 2014 - May 2015
May 2015

172000 mi

US $80
Torn Passenger Front Axle CV boot. 
Audi A4 in Ohio, United States
Mar 2014 - Dec 2015
Feb 2015

116900 mi

US $1500
Replaced manifold discharge pipe 
Audi A4 in Utah, United States
Feb 2016 - Sep 2018
Jun 2016

178000 mi

US $250
Secondary air injection pump failed 
Sep 2018

228000 mi

US $300
Secondary air injection pump again 
Audi A4 in Pennsylvania, United States
Mar 2012 - Dec 2015
Apr 2012

143200 mi

US $500
Exhaust blowing white/blue smoke. Turbo charger had a fair amount of in-and-out shaft play. Removed turbo to rebuild it. Upon draining the oil, it looked mixed with coolant. Suspect head gasktet needs to be replaced as well. 
Jun 2012

144000 mi

US $100
Brake lines were cracking, needed replaced. Upper rear control arm, passenger side 
Aug 2012

144500 mi
Emission system leak - problem was created by previous owner by puncturing the charcoal canister. Plugging the puncture fixed the problem (IE no more check engine light illuminated). 
Apr 2013

149300 mi

US $600
New control arms, inner and outer tie rods, and rear suspension bushings. Engine mounts. Left CV axle. 
Jun 2013

151000 mi

US $200
Rear a arm bushings shot, needed replaced. 
Dec 2013

154000 mi

US $80
Coil packs were going bad, car misfiring under boost. Found that the previous owner had 3 different coil part numbers in the car. Replaced with VW/Audi recommended part # for the engine. 
Aug 2014

157000 mi

US $250
AC charge, C High pressure switch changed. 
Dec 2014

159000 mi

US $30
Car was overheating, replaced plastic flange on the back of the block and all O-rings to prevent future leaks. 
Feb 2015

160000 mi
Crankcase breather elbow slipped off its clip, oil would fly out of the opened hole onto the engine. Easy fix, no idea why this occurred though. 
Apr 2015

162000 mi

US $25
rear axle seals 
Jun 2015

162000 mi

US $400
clutch wore out = changing the clutch, flywheel, pressure plate and rear main seal. 
Sep 2015

163000 mi

US $80
knock sensors were bad 
Nov 2015

163000 mi

US $20
ECU Relay went bad 
Audi A4 in Massachusetts, United States
Sep 2010 - Sep 2011
Oct 2010

145000 mi

US $120
Replaced side mirrors 
Apr 2011

154300 mi

US $150
hazard relay 
Sep 2011

158000 mi

US $600
Control arm and wheel bearing 
Audi A4 in Nebraska, United States
Apr 2010 - Feb 2011
Dec 2010

103000 mi

US $64
Car was reporting lean fuel condition. MAF was replaced. 
Feb 2011

104000 mi

US $250
Poor fuel economy -replaced MAF, and O2 sensors 
Audi A4 in Massachusetts, United States
May 2010 - May 2013
Jul 2010

236000 mi

US $600
Multiple issues. Came in for "EPC Light" on. Ended up doing other maintenance repairs: oil change, coolant flush, various hose proactive replacements. Found additional axle boot torn = replaced. 
Aug 2010

236000 mi

US $60
Headlight washer pump failed 
Mar 2011

243000 mi

US $250
Rear brake caliper replacement - leaking Valve cover gasket replacement - leaking Repair front headlight washers - stuck 
Jun 2011

249000 mi

US $225
Rear brake caliper replacement (the other side!) - leaking Backflush heater core - clogged/no heat Replace oil temperature sensor  
Oct 2011

259000 mi

US $330
Backflush heater core - clogged/no heat, $130 Replace oxygen sensor after CEL, $200 
Mar 2012

270000 mi
Backflush heater core - clogged/no heat 
May 2012

275200 mi

US $400
The ECU actually died! Of all things to break, I wouldn't have thought the ECU to die. There was no moisture of any sorts. 
Jun 2012

278000 mi

US $120
Installed new battery 
Mar 2013

294000 mi
Bad wheel bearing Bad suspension shock 
Audi A4 in Oregon, United States
May 2010 - Dec 2013
Sep 2010

134000 mi
Oil pan drain threads stripped, tried to fix with larger self tapping bolt. Bolt cracked oil pan, had to replace oil pan. 

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2001 Audi A4 4dr Sedan

190-horsepower 2.8L V6 5-speed shiftable automatic AWD

Audi A4 in California, United States
May 2013 - Sep 2015
May 2014

89600 mi

US $75
Needed refrigerant. Had lost about half. 
Jun 2015

93000 mi

US $375
LR Window regulator 
Audi A4 in New Jersey, United States
May 2015 - Apr 2017
Jan 2016

US $125
Heater does not work. 
Mar 2016

39000 mi

US $65
Rear shelf speaker (subwoofer) was 'rattling'. Found fix for it on line, ordered used speaker on line, disassembled rear shelf, exchanged speaker and reassembled. works great again. 
Jan 2017

61000 mi

US $40
Left front door base speaker was distorting/rattling. Removed door panel, replaced speaker with a used factory speaker and reassembled door. Works great again. 
Audi A4 in Oregon, United States
Dec 2012 - Mar 2013
Mar 2013

142000 mi
Coolant Temp Sensor 
Audi A4 in Massachusetts, United States
Nov 2011 - Dec 2012
Dec 2011

122000 mi

US $450
Replaced 2 valve cover gaskets, brittle and leaking a bit of oil, and replaced o-ring on temperature sensor, leaking anti-freeze. 

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2001 Audi A4 4dr Sedan

190-horsepower 2.8L V6 5-speed manual AWD

Audi A4 in Massachusetts, United States
Sep 2009 - Jun 2018
Dec 2009

127000 mi

US $313
Flex pipe Exhaust leak right side 
Jan 2010

134000 mi

US $100
License plate light assembly corroded and replaced 
Dec 2010

142000 mi

US $40
Wiper Transmission replaced by used part. 
Sep 2011

153000 mi

US $800
rear calipers frozen effecting emergency brake. had to replace pads, caliphers and rotors 
May 2012

161700 mi

US $1050
Catalytic converter replacement 
Nov 2012

168000 mi

US $2100
Replaced worn clutch 
May 2013

174700 mi

US $880
Coolant leak 
Nov 2013

180400 mi

US $906
New Brakes, rotors, calipers 
Mar 2015

188000 mi

US $580
exhaust piping 
Dec 2015

190000 mi

US $489
Rear Springs 
Jun 2018

219000 mi

US $650
Replaced Alternator 
Audi A4 in Washington, United States
Apr 2012 - Aug 2012
Jul 2012

70000 mi

US $200
O2 sensor 
Aug 2012

70000 mi
Check engine light, "fault P431" O2 sensor reading too much oxygen. Apparently can be cured by a spacer placed between the sensor and the catalytic converter to reduce the exposure of the sensor. But car sold before this was attempted. 
Audi A4 in Utah, United States
Nov 2009 - Mar 2011
Dec 2009

109000 mi

US $1000
Replaced Mass Air Flow Sensor. Replaced Timing Belt (needed) also had water pump because of high mileage but it was still working fine before 
Sep 2010

119000 mi

US $500
Replaced both tie rod ends and the CV axle 
Audi A4 in Ontario, Canada
Sep 2014 - Mar 2015
Oct 2014

138980 mi

C $800
PCV hoses  CV Shaft - outboard passenger, battery, all brakes, bad rims 

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2001 Audi A4 4-door

turbocharged 6-cylinder manual AWD

Audi A4 in Massachusetts, United States
Aug 2009 - Mar 2010
Sep 2009

155000 mi

US $400
Replaced fuel injector. Replaced oxygen sensor. 
Audi A4 in Iowa, United States
Dec 2011 - Jan 2012
Jan 2012

102000 mi

US $2800
Wheel bearing noise ... replaced. Worn struts, broken springs ... replaced. Broken/seized bolt on brake caliper ... replaced. 

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2001 Audi A4 4-door

turbocharged 4-cylinder diesel manual 2WD

Audi A4 in Spain
May 2010 - Sep 2011
Sep 2010

64480 mi
Support for light bulb in front light panel. 
Sep 2011

70680 mi

€650
Compressor or A/C went off. Must to be replaced for second time. 

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2001 Audi A4 4-door

turbocharged 4-cylinder manual AWD

Audi A4 in Ohio, United States
May 2007 - Mar 2010
Sep 2007

122000 mi

US $350
Clunks and squeaks from front suspension. Control arms, tie rod ends, shocks and shock mounts already replaced. Still noise and can feel clunks over bumps 
Oct 2007

122000 mi

US $650
Front control arms continued to make noise after being replaced. Multiple faulty arms were found (4 of 8). All 8 arms were replaced using a different OEM supplier. Noise was eliminated. Secondary Air injection code thrown (self diagnosed). Replaced several vacuum lines and a valve. Rattle from front left turned out to be l Engine gasket leaking (smelled oil), replaced gasket. 
Nov 2007

124000 mi

US $35
Misfire on Cylinder 2. Car was idling rough w/ no reduced power. Swapped coilpacks 2 and 3, misfire jumped to cylinder 3. Determined it was faulty coilpack, replaced with part from dealership 
Audi A4 in Michigan, United States
Oct 2009 - Mar 2010
Nov 2009

149000 mi

US $178
torn cv boot 

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2001 Audi A4 4-door

6-cylinder manual AWD

Audi A4 in Georgia, United States
Dec 2008 - Oct 2009
Jan 2009

130000 mi

US $2600
Chipped a tooth in 1st gear 8 months ago. Drove on it til my quattro gearbox fell apart. Due to damage to the speed sensor, I couldn't pass emissions. So was forced to fix...otherwise, I would have driven it into the ground. 
Mar 2009

137000 mi

US $300
Replaced front CV joints, axles. 

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2000.5 Audi A4

Engine not specified

Audi in California, United States
Jan 2011 - Feb 2011
Feb 2011

134000 mi

US $225
Car needed new mass air flow sensor and coil pack 

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2001 Audi A4 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 2001 Audi A4 problems occur, check out our car reliability stats.