2003 Audi A6 / S6 Audi A6 / S6 2003

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2003 Audi A6 / S6 repairs by problem area

Engine (39%)

Transmission and Drivetrain (22%)

Brakes and Traction Control (4%)

Suspension and Steering (16%)

Electrical and Air Conditioning (12%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (4%)

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Chart based on 245 repairs.
See TSBs and recalls for the 2003 Audi A6 / S6.

2003 Audi A6 / S6 transmission repair cost distribution

$2500+ (16%)

$1000 - $2499 (2%)

$500 - $999 (24%)

$100 - $499 (36%)

< $100 (22%)

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Chart based on 50 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Audi A6 / S6

Engine not specified

113000 mi

US $800
Replaced torque converter. Did work myself since Audi dealer wanted 2500+ to do it. 

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2003 Audi A6 / S6 4dr Wagon

340-horsepower 4.2L V8 5-speed shiftable automatic AWD

90000 mi transmission failing, car sold without repairing 
99600 mi

C $2200
Gaskets 
105000 mi

US $900
Front passenger inner and outer cv boots. 

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2003 Audi A6 / S6 4dr Wagon

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

95000 mi

US $356
Rear differential seals were replaced because of leaking. 

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2003 Audi A6 / S6 4dr Wagon

119660 mi

€800
Leaking CV boot, front right wheel 

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2003 Audi A6 / S6 4dr Sedan

turbocharged 450hp 4.2L V8 5-speed shiftable automatic AWD

145700 mi

US $4300
Torque converter on transmission failed. Rebuild entire transmission. 

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2003 Audi A6 / S6 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

195000 mi

US $160
Rear differential seals replaced. 
238000 mi Synchros starting to stick. 
109000 mi

US $300
front wheel bearings replaced 
87000 mi

US $235
replaced the front right axle shaft, the old inner bearing was bad. 
124200 mi

US $100
and left front axle. 
57000 mi

US $359
Replaced drive right front drive axle 
54000 mi

US $300
I noticed grease on my inner wheel surface when changing my winter wheels. Outer CV boot had split and put grease all over suspension/wheel on drivers side. Shop replaced outer CV boot. 
57000 mi

US $345
Passenger outer CV boot needed to be replaced after it split and lost all grease on inside of wheel. 
90000 mi

US $960
Front outer CV boot replaced due to crack 
100000 mi

US $800
Replace front psgr axle while in for Tranny output-shaft seal replace. CV boot (inner) torn. 

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2003 Audi A6 / S6 4dr Sedan

turbocharged 250hp 2.7L V6 5-speed shiftable automatic AWD

97000 mi

US $217
Right front axle. 
165540 mi

R 700
CV joints were replaced 
79000 mi

US $250
Torn outer CV boot on the passenger's side. 
105000 mi Torque converter started slipping so the car was sold. 
140000 mi

US $2905
Had the torque converter replaced. ALso replaced were the n74 solenoid, n264 check valve, Venthose system (spider hose) 
200000 mi

US $65
Passenger side CV boot split drying out the joint eventually leading to a failure. 
214000 mi

US $3700
Transmission failed. No reverse and no forward gears. Total failure. Replacement needed. 
55000 mi

US $265
Replace torn left front CV boot. 
69000 mi

US $265
Replace torn right front CV boot. 
81000 mi

US $40
Noticed that the outer CV boot on the driver's side had split and covered the wheel with grease. I replaced the boot on that side and also the passenger's side as preventative maintenance. 
132000 mi

US $60
Driver's side axle became loose, causing vibrations at highway speeds. Replaced entire axle. Partially solved problem. Will replace pass side in the future. 
47118 mi

US $14
Rear Transfer Case seal replaced by owner. Cost only 14.00 to include seal and gear oil. Repair time approximately 2.5 hours 

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2003 Audi A6 / S6 4dr Sedan

300-horsepower 4.2L V8 5-speed shiftable automatic AWD

126000 mi

US $3250
Transmission rebuild 
129000 mi

US $3500
Replace ZFHP24A Transmission 
64480 mi

A $5300
2 half shaft boots 
89900 mi

A $50000
Replace idler solenoid in gear shift assembly. Replaced front half shaft cv joint outer boots. 

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2003 Audi A6 / S6 4dr Sedan

220-horsepower 3.0L V6 6-speed shiftable CVT FWD

83000 mi Discovered in January that it needs new CV boots, left and right both cracked. Estimate of $800. Also needs timing belt and water pump, $1,700. 

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2003 Audi A6 / S6 4dr Sedan

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

100000 mi

US $500
FCC torque diverted clutch was stuck open. The torque converter needed replacing. 
94000 mi

US $278
replaced front outer CV boot 
145000 mi

US $3500
Transmission went into emergency mode on the highway and locked into 4th. Transmission required a rebuild, and CV joint was replaced at the same time. 
108000 mi

US $100
cv boot replaced 
108000 mi

US $200
Replace CV boot again!!! 
109000 mi

US $900
Right side CV joint broke. Towed to repair shop and replace both front axles. 
56000 mi

US $600
CV Boots 
71000 mi the torque convertor starting throwing a code. It was going to be $3500 to repair. We traded the car in. 
139500 mi transmission failed and car can not accelerate 
113000 mi

US $985
Transaxle oil pan gasket leak, output shaft bearing seal leak, outer CV boot leak, odometer sensor ring defect 
114000 mi

US $930
Torn CV boot 
148000 mi Torque converter needs to be replaced. 
153000 mi

US $700
Front left axle leaking, replace assembly. 
108500 mi

C $350
Transmission noise repaired, loose component refastened. Noise is gone. 
125860 mi Torque converter failure, car not worth repairing. Will sell 
87200 mi

US $300
CV half-shafts replaced 
88000 mi Transfer case output tail and fore seals broken. Rear differential seal broken. 
40000 mi

US $400
CV Boots torn on both sides. Usually a 80k mile item. 

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See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models.

2003 Audi A6 / S6 Transmission Problems

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 2003 Audi A6 / S6 problems occur, check out our car reliability stats.

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