| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Audi A4 / S4 / RS4 repairs by problem area
Engine (49%)
Transmission and Drivetrain (7%)
Brakes and Traction Control (2%)
Suspension and Steering (13%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (3%)
Other (2%)
Chart based on 552 repairs.
2004 Audi A4 / S4 / RS4 engine repair cost distribution
$2500+ (7%)
$1000 - $2499 (16%)
$500 - $999 (17%)
$100 - $499 (33%)
< $100 (27%)
Chart based on 241 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Audi S4 4dr Wagon
340-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 46000 mi US $50 |
Automatic gearbox manual gear selector would not upshift. Electronic board ordered under extend warranty |
| 42000 mi US $50 |
Fluid leak required replacement of oil pan. Part is cheap, but access requires full engine removal in this car. Repair was covered under CPO warranty. |
| 92000 mi US $1000 |
Fuel pump failed. Fuel filter also replaced. |
2004 Audi S4 4dr Wagon
340-horsepower 4.2L V8 6-speed manual AWD
| 24800 mi C $1000 |
Driver's side aux rad damaged by rock, slight coolant loss over 1 month. Replaced radiator. Red oil pressure warning light. No other symptoms (ie. no rough idle, no low oil level, etc.). Towed to dealer - unable to reproduce or diagnose. Replaced oil pressure sensor / transmitter at owner's request. |
| 26040 mi C $140 |
Intermittent lean code. Every other month, unable to diagnose, so code cleared. |
| 50220 mi C $600 |
Passenger aux radiator damaged by rock and slowly leaking coolant. Not an uncommon issue and exacerbated by winter gravel in Alberta. Replaced part. |
| 55800 mi C $600 |
Leaking valve cover gaskets; replaced. |
| 115000 mi US $7500 |
Main timing chain guide rail broke - requires removal of engine OR transmission to repair. Predictable failure at 100K miles, prefaced by noise on startup. Replaced clutch at same time since that was planned and tranny was out. |
| 144000 mi US $18715 |
Radiator and major hoses Replace in-tank fuel pump Reseal valve covers, oil pan to address oil leaks |
| 147500 mi US $307 |
replace exhaust clamps replace motor mounts |
| 158100 mi C $1800 |
Intermittent starting. Replaced MAF, fuel filter and then fuel pump. |
2004 Audi S4 4dr Sedan
340-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 110000 mi US $45 |
Oil pressure sensor physically broke, allowing large amounts of motor oil to leak through the small plastic fitting ONLY while running. |
| 106000 mi US $400 |
replaced valve cover gasket on both sides, was leaking oil, 1 quart every 100 mile or so |
| 166000 mi US $760 |
Fuel pump failed. |
| 94000 mi US $3500 |
Catalytic converters stopped up and flex couplers blew out on exhaust mid pipes. Replaced mid pipes (required) and cat back (pro actively). Opted for aftermarket parts reducing part costs about 50%. |
| 94000 mi US $425 |
MAF element cover came off and lodged in throttle body MAF replaced. Luckily cover didn't enter intake or engine. |
| 103000 mi US $2000 |
Catalytic convert replacement. |
| 103000 mi | Fuel trim issue never resolved. |
| 37820 mi | Replace one coil. |
| 42160 mi | replace one cat |
| 49600 mi C $1500 |
leaking aux rads |
| 39000 mi US $1200 |
Driver side auxiliary radiator and associated hose(s). |
| 79000 mi | Secondary air system problem emissions |
| 94000 mi US $450 |
Belt broke serpentine |
| 65000 mi US $700 |
Intake gaskets. |
| 77200 mi US $5600 |
Rear main seal needed replacement. |
| 83000 mi | Valve cover gaskets |
2004 Audi S4 4dr Sedan
340-horsepower 4.2L V8 6-speed manual AWD
| 157000 mi US $300 |
Replace leaking valve cover gaskets |
| 103000 mi US $5000 |
Camshaft adjuster. Only way to repair is to pull the engine Valve spring failure on Cyl 3 - engine is going to be replaced |
| 108000 mi US $35 |
Rough idling - dealer couldn't replicate and no DTC warnings found |
| 40000 mi US $400 |
valve cover gasket leak |
| 58300 mi US $250 |
fuel leak at tank coupling |
| 60000 mi | coolant overflow bottle leaking |
| 62000 mi US $50 |
gas filler neck seal torn- seal replaced |
| 89000 mi US $1500 |
Radiator leak - replaced main radiator |
| 91000 mi US $1500 |
O2 sensor and harness replaced |
| 117400 mi US $600 |
Timing chain guide has broken (plastic guide) and is allowing chain to slack and sounds horrible when idling. |
| 50300 mi US $940 |
One of aux radiators started to leak and needed to be replaced |
| 69000 mi US $950 |
Middle muffler rotted through. Had to change the exhaust from after the cats |
| 103000 mi US $121 |
Replaced: 079103483K (1) 079103483L (1) 077103487B (2) 079103487A (3) 049103491 (4) |
| 120502 mi US $25 |
Fuel pump went bonkers, car wouldn't start, left me stranded @ grocery store for 20 mins before it allowed the car to start to limp home. The only forewarning was improved gas mileage the previous 3 fill-ups. Replaced with OEM B7 S4 exhaust hangers to pull muffler tips tighter to the bumper reliefs. |
| 127740 mi US $138 |
A month prior to the repair date, the fuel level would not read more than 3/4 full, with the tank topped off. Culprit was the pass-side fuel level sending unit. Repair req'd using the fuel level down to be able to reach the sensor. |
| 128200 mi US $64 |
Cyl 8 spark plug fouled with oil deposits. Cyl 7 also showed oil deposits, but not as much as cyl 8. |
| 73000 mi US $200 |
Sand blast and paint inside of valve covers and replace gaskets |
| 74800 mi | coolant sensor replaced, fuel filter replaced, inside of valve covers sanblasted and painted Still failed to start when warm, replaced the cam position sensor |
| 88000 mi US $200 |
reset idiot light. replaced o2 sensor |
| 121000 mi | Timing chain guide failure, caused the chain to skip tooth, bend valves, then scorch the cylinder walls and piston tops. |
| 85500 mi US $3000 |
Warped valve covers, |
| 88000 mi US $450 |
Faulty crank position sensor |
| 43200 mi US $30 |
after a 1000k trip, i noticed that the fuel pump was making a loud mechanical noise on initial start up and ended after 30sec. , googled the problem, fuel pump VS fuel filter..?? replaced the fuel filter and fuel pump noise disappeared. |
| 43000 mi US $2300 |
Both aux radiators were found to be leaking coolant on the back side. Had them pulled and replaces with OEM parts and hoses. small coolant leak on both right and left front of car. both right and left auxiliary radiators rusted because of debris from low air intake position , design flaw.! full coolant replaced , radiator hoses replaced. |
| 42000 mi US $1600 |
small coolant leak on both right and left front of car. both right and left auxiliary radiators rusted because of debris from low air intake position , design flaw.! full coolant replaced , radiator hoses replaced. |
| 78000 mi US $650 |
Heater hose leaking. Required removing the trans and cutting out the catalytic converter. |
| 16000 mi | oil leak pass side valve cover |
| 114000 mi US $3200 |
Radiator had slow leak. It was replaced. |
| 122500 mi US $600 |
Noticed smell of burning oil. Valve cover gaskets leaking, had them replaced. |
| 129000 mi US $100 |
Coolant reservoir tank cracked and leaking, replace failed part. |
| 58000 mi US $500 |
Valve cover gaskets. Coolant expansion tank. |
| 63000 mi US $1300 |
water pump/thermostat replaced Replaced engine mount and snub mount. |
| 92000 mi US $700 |
Leaking radiator replaced. |
| 97000 mi US $1500 |
Oxygen sensor failure. |
| 94500 mi US $700 |
Starter motor replacement |
| 60000 mi US $125 |
I noticed a leak in coolant, a pressure test was conducted but no leak found, found to be a possible overfill issue. |
| 64000 mi | Oil/coolant leak. |
| 84000 mi US $25 |
Coolant overfill tank cracked and leaking. |
| 84000 mi US $150 |
Valve cover gaskets replaced. |
| 90000 mi US $300 |
Accessory belt and tensioner bad. Both replaced |
| 21000 mi US $310 |
Mass Air Flow was replaced. |
| 39000 mi | The accessory belt for the alternator broke. Replaced belt and performed preventive maintenance by replacing accessory belt pulley and tensioner. Additionally, the spark plugs were replaced. |
| 52000 mi US $350 |
Passenger side auxilary radiator. |
| 64000 mi US $150 |
Auxiliary radiator leak. |
| 158500 mi US $520 |
Fuel vapor canister replaced after CEL. |
| 186000 mi US $900 |
Removed and replaced serpentine belt due to wear. Replaced coolant reservoir. It had small crack in it, and coolant was crystalizing on the outside of the tank. |
| 206000 mi | Developed a radiator leak in the secondary radiator on the front passenger side of the car. It needed replacing. |
| 19840 mi | Changing block motor due to invalid boost pressure in cylinder 4 & 8 caused by malfunction in cylinder 2. Approx. cost by the dealer and audi 20k$. |
| 52000 mi US $60 |
Ignition Coil went bad and was replaced by me. |
| 54000 mi US $50 |
Another Ignition coil went bad. Replaced in an hour by me. |
| 66000 mi US $300 |
My fuel pump died. Part was replaced by me. |
| 69000 mi | Auxiliary radiator was leaking. Part replaced by me. |
| 81000 mi US $50 |
One of my O2 sensors went bad and i replaced it myself. |
| 20000 mi | Adjusted manifold bolt - fixed rough idle. no other problems in 4 years. great car |
| 86000 mi | Valve cover gaskets. serpentine belt, pulley, & tensioner TSB |
| 115000 mi US $3500 |
Replaced radiator + hoses, transmission cooler due to leaks. |
| 122000 mi US $1000 |
Replaced motor mounts due to leaks and lack of engine rigidity. |
2004 Audi S4 4dr Sedan
| 156600 mi $600 |
Changing the valve seals. Only natural for an engine that's been running this flawlessly for so long. |
2004 Audi S4 2dr Convertible
340-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 52700 mi C $650 |
rough idle when engine warm, CEL on briefly then off, shop read engine codes, replaced battery and swapped ignition coils from one cylinder bank to the other, told to come back if problem returns. |
| 57540 mi C $56 |
replaced valve cover gaskets and half moon gaskets to repair oil leak DIY replacement of the coolant reservoir - there were stress fractures forming on the side of the tank. It wasn't leaking but would probably begin leaking within six months. Part cost $56.00 plus some rad fluid to replace the amount lost. |
| 66340 mi C $380 |
front crank seal failed |
| 68200 mi | crank seal failing again |
| 68600 mi C $550 |
crank seal failure misdiagnosed - actual leak was from the oil filter canister connection to the block |
| 78620 mi C $2522 |
Oil leaks from valve covers. Replaced gaskets and seals. The car still leaks oil. |
| 86800 mi C $1400 |
Fuel pump failed. Replaced it and performed major service at the same time. The oil leak was minor and I stopped wasting time and money on this problem. The engine still dripped oil. V8 powered Audis of this era are notorious for this problem. |
| 32000 mi US $1106 |
Replace Valve Cover Gaskets. Parts $330 and $894 for 6 hours of labor. |
2004 Audi S4 2dr Convertible
340-horsepower 4.2L V8 6-speed manual AWD
| 103000 mi US $350 |
Won't crank - corroded solenoid in starter motor... |
| 120300 mi US $300 |
Slow responding Ox sensor - rough idle/rough accel |
| 131300 mi US $6300 |
Misfire on one bank + Cam timing advanced error. Plastic timing chain tensioners broken/worn, cam tensioners worn. Pull engine and replace all |
| 44900 mi US $800 |
engine manifold gasket leaking |
| 55300 mi US $300 |
Also fixed leaky head gaskets. |
| 52300 mi US $300 |
Whining noise from rear of car-fuel pump failing-fuel pump and fuel filter replaced. |
| 70000 mi US $1900 |
Engine would not start. Engine speed sensor was replaced. |
| 81000 mi | leaking radiator |
| 74400 mi $150 |
Crank position sensor replacement |
| 74000 mi | Two out of eight of the ignition coils failed completely. Received a recall notice, but they failed before I could have the units replaced. |
2004 Audi A4 4dr Wagon
turbocharged 170hp 1.8L I4 6-speed manual AWD
| 132000 mi US $250 |
Cam seals and valve cover gasket |
| 89000 mi US $900 |
Cam seal leak, coolant flange leak at back of cyl head. |
| 72000 mi US $80 |
Snub (front) engine mount in need replacement. |
| 63500 mi US $600 |
Crankcase oil breather hose was cracked, replaced. Coolant hose behind engine leaking, replaced. |
| 76000 mi US $200 |
Crankcase position sensor needed replacement. |
2004 Audi A4 4dr Wagon
turbocharged 170hp 1.8L I4 5-speed shiftable automatic AWD
| 81900 mi US $600 |
Replaced vacuum tubing below intake manifold |
| 107000 mi US $750 |
vacuum leak |
| 112000 mi US $200 |
lack of heat. cooling system flushed, and thermostat replaced. heat is slightly better,but is still takes a long time to warm out, and it won't get hot. mechanic believes waterpump may be faulty. |
| 139000 mi US $2500 |
losing coolant, had cracked head. Replaced head and did timing belt replacement at same time. |
2004 Audi A4 4dr Wagon
220-horsepower 3.0L V6 6-speed manual AWD
| 153140 mi C $2900 |
Car in for timing belt change, spark plugs and two broken parts that had the CEL on (about half the repair bill for regular maintenance) |
2004 Audi A4 4dr Wagon
220-horsepower 3.0L V6 5-speed shiftable automatic AWD
| 32000 mi | camshaft position sensor |
2004 Audi A4 4dr Sedan
turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD
| 60000 mi | Problem was detected when took in for a dealer bid on car. Camshaft tensioner seals are leaking. Estimated cost $650. Not a serious issue, but car now requires the addition of 1 qrt of oil every 4,000 miles. I have since sold car to private party. |
| 29000 mi | transmission control module replaced under warranty |
| 100000 mi | Bought vehicle with engine light on and air bag on. Took to dealer to get service records and found recall involving coil packs. Dealer replaced all 4 plugs no charge. Also found p0 420 got a quote for 1350 catalytic converter |
| 104000 mi US $60 |
fuel pump noisey due to bad fuel filter. fuel pump making loud humming/whine sound |
| 110200 mi US $125 |
EPC light and Check Engine P0102. Changed MAF Sensor and Vaccum hose replaced |
| 138000 mi US $156 |
Changed both motor mounts and snub mount |
| 152200 mi US $750 |
Egr valve (Combi Valve failed). Secondary air pump failed. CVT slight shudder, need oil replaced. |
| 160000 mi US $100 |
Coolant temp sensor failed. |
| 91840 mi | Rattle detected when engine strained (like crawl at idle) Dealer diagnose as timing tensioner and quoted exorbitant amount to repair - still looking for cheaper alternatives |
| 93000 mi R 10500 |
Timing belt and tensioner replaced by dealer. Rattle still present when engine under strain (like crawl at idle) but dealer states "not a problem" now although before repair the same noise was "a big problem" |
| 125400 mi R 8000 |
Noticed oil leak, upon investigation saw cracked oil sump, welded shut during AC compressor replacement |
| 126360 mi | Vehicle broke down next to the road with water pouring out at the bottom. Took it to the mechanic on a tow truck. After opening the top it turned out the timing belt broke, the cam shaft broke most of its teeth off and some valves were bent A couple of days after getting the car back from the time belt replacement it started juddering and missing under all acceleration. Drove to the mechanic who diagnosed a faulty coil. Replaced |
| 147560 mi R 2155 |
vehicle overheated suddenly and quickly which pointed to temp sensor or thermostat - both replaced |
| 155000 mi R 450 |
water leak detected, took vehicle to mechanic who replaced the radiator, leak found on pipes, repaired |
2004 Audi A4 4dr Sedan
turbocharged 170hp 1.8L I4 6-speed manual AWD
| 122000 mi US $300 |
Fuel Pump needed to be replaced |
| 125200 mi US $100 |
rear coolant flange |
| 126000 mi US $100 |
Water pump was leaking, replaced. |
| 148000 mi US $200 |
Engine mounts, transmission mount, and valve cover gasket |
| 127280 mi C $4 |
coolant leak at back of head, was coolant temp sender O ring, read on internet a real pain to do, only took 40 minutes and cost $4.09 with tax for a new O ring and C clip |
| 136700 mi C $40 |
4 engine codes, engine missing, poor excelleration, dont use E3 spark plugs, less than a year old, junk on turbo cars. |
| 150640 mi C $300 |
Head gasket leaking, replaced as well as valve seals and cam seals Oil sensor replaced as gone bad Breather lines cleaned as easy to get at while apart as well as oil cooler or ring |
| 172980 mi C $300 |
Water pump leaking, replaced. Timing belt done at same time as it will be due in another 20000km. |
| 83000 mi US $1700 |
Valve cover and camshaft gaskets were leaking and had to be replaced. |
| 83000 mi US $110 |
MAF sensor replaced |
| 95000 mi US $100 |
Replaced camshaft position sensor and boost control solenoid |
| 100000 mi US $500 |
boost issue traced to broken wire to boost control solenoid |
| 115000 mi US $750 |
coolant flange replaced |
| 117000 mi US $1500 |
new clutch installation |
| 121000 mi US $200 |
dead engine position sensor |
| 124000 mi US $1200 |
leaking water pump |
| 131000 mi US $1100 |
Motor mount replacement |
| 136000 mi US $100 |
Camshaft position sensor failed and required replacement |
| 133000 mi US $500 |
Injector seals were leaking |
| 133000 mi US $600 |
New exhaust downpipe and incidentals. |
| 140200 mi US $350 |
Plastic thermostat housing cracked. Difficult to duplitcate - only "seemed" to leak when cold. Driving dried the leaked coolant so it was difficult to trace. |
| 86000 mi US $25 |
valve cover gasket was leaking |
| 97000 mi US $200 |
Engine running lean due to vacuum leak. Split hard line on crankcase breather system at the back of the head. Replaced entire section from suction valve to block. |
| 105000 mi US $45 |
Leaking thermostat housing. Shop replaced unit under warranty as it had been changed recently |
| 146000 mi US $250 |
Rear coolant flange leaking |
| 149000 mi US $450 |
No heat- heater core clogged. Flushed and thermostat housing replaced. Required return trip since initial installation was faulty. |
| 93300 mi US $700 |
Heater core clogged beyond flush. Replaced with OEM. |
| 182000 mi US $25 |
Lack of heat, flushed heater core, found not clogged, performed coolant flush, bled system refilled with new coolant. |
| 170700 mi US $80 |
Engine Mounts leaking. Replaced with Corteco brand B5 S4 mounts |
| 191000 mi | Rear coolant flange leaking. Replaced w/ aluminum coolant flange. Upon disassembly, found the o-ring was bad. |
| 197000 mi US $1000 |
low oil pressure at higher rpms (fine at idle), pulled pan to check pickup tube and o-ring for sludge. No sludge present. removed oil pump, found wear, replaced oil pump and oil pressure return |
| 169260 mi A $100 |
Vehicle was over revving and had erratic idle, also blew oil all over side of engine. I replaced, PCV, breather tube, vacuum hoses, thermostat, top radiator hose and balance hose. Had erratic engine idle and over revving problems, coils were replaced by dealer because of recall. Did not fix erratic idle or over revving. Had over revving and erratic idle issue when purchased. All other attempts to fix made no difference. Finally crank position sensor failed. Replaced part, erratic idle and over revving issue gone. |
| 197160 mi A $420 |
Took vehicle in to have timing belt kit installed. Mechanic found faulty water pump, also replaced. |
| 197780 mi A $55 |
Replaced coolant overflow tank. Stress cracks were forming so replaced as preventative measure. |
| 180000 mi US $900 |
- Both Electrical Cooling Fans were bad. This in turn destroyed the electrical cooling fan module. |
| 206700 mi US $380 |
- rear of the engine thermostat clip failure: replaced - radiator developing crack: replaced - crank case breather tube broken: crappy vw plastic: replaced |
| 216700 mi US $200 |
Crank case ventilation failed. This has thrown engine to missfire and throw map controlled coolant thermostat shorted to plus error code. Replaced crank case ventilation parts, reset ecm, all good. |
| 86000 mi US $835 |
Rear coolant flange leaking. |
| 96000 mi US $100 |
Coolant leak at thermostat housing. |
| 98000 mi US $2000 |
Clutch replaced due to being worn at age. Normal. |
| 125000 mi US $425 |
Fuel pump blew...towed in Sunday, replaced Monday |
| 132000 mi US $1020 |
coolant leak/coolant temperature sender unit replaced |
| 151000 mi US $500 |
Oil leak |
| 61060 mi | Original factory coil packs failed and had to be replaced |
| 63860 mi C $200 |
Replaced crankshaft sensor. Replaced crankshaft sensor |
| 77160 mi C $700 |
Coolant temperature sensor intermittently not working |
| 81840 mi C $350 |
Replaced rusted exhaust flex pipe |
| 88200 mi US $190 |
Replaced the Fuel pump that was dying. |
| 94000 mi US $250 |
Replaced the Variable Cam Timing Solenoid and tensioner assembly. |
| 94300 mi US $50 |
Replaced Oil Cooler that was leaking oil into the coolant system. |
| 103000 mi US $120 |
Replaced radiator that had a pinhole leak. |
2004 Audi A4 4dr Sedan
turbocharged 170hp 1.8L I4 5-speed shiftable automatic AWD
| 170000 mi US $225 |
Replace PCV hoses Leaking coolant flange and heater hose coupler |
| 192000 mi US $250 |
Clear CEL, diagnose low fuel mixture |
| 107500 mi US $1700 |
Blown head gasket |
| 123000 mi US $250 |
Turbo inlet hose split. |
| 120000 mi US $200 |
Flush and purge heat exchanger |
| 125700 mi US $25 |
Harmonic balancer replaced |
| 133000 mi US $50 |
Turbo Wastegate Actuator |
| 88700 mi US $220 |
No start, no CEL. fuel pump and filter changed by owner. shop quote $1200, my cost parts $220 PCV valve gave loud whine like the fan belt had failed. Got a low oil pressure light - took to shop diagnosed engine sludge build up. De-Sludged sump crankcase cover, changed PCV valve and some of the hoses. Total cost $996 Crankcase position sensor failed. Car would not start, and gave codes suggesting a problem with this (CKP). Shop quote $200. my cost from ebay $16, and 2 hours labor |
| 100000 mi US $62 |
Engine none start, towed to garage, started next day ... garage said no compression due to flooding caused non start.... |
| 108000 mi US $510 |
The coolant flange went again, didn't want to deal with it, as my other car was in the shop as well so had shop tow it, and do the work. |
| 89000 mi US $50 |
Oil Dipstick tube disintegrated when I went to check the fluids, when the car wouldn't start, just like last year ... |
| 34720 mi C $300 |
Computer lost settings, had to be reflashed. |
| 53000 mi US $100 |
Coil Packs Failed |
| 104200 mi US $1100 |
bad ignition coils and fuel pump |
| 110000 mi US $800 |
vacuum leak, check valve failures |
| 63500 mi US $30 |
Replace failed coil. |
| 68000 mi US $520 |
Fuel Pump Failed. |
| 64000 mi US $800 |
Fuel pumps required replacing |
| 94000 mi US $800 |
Slight coolent system leak. Cracked resevoir. |
| 95000 mi US $500 |
Oil leak cause coil pack failure. |
| 68000 mi US $35 |
Ignition Coil on Cylinder 2 failed. Old coil was revision "R" - replaced with like item. |
| 69000 mi US $170 |
Throttle body hose popped off. Car wouldn't run. Fouled spark plugs had to be replaced as side effect. |
| 71000 mi US $650 |
Several minor vacuum hoses needed replaced due to crack. |
| 69000 mi US $1000 |
Engine Coils had a TSB issued - Dealer Replaced All 4 at N/C |
| 62000 mi | Fuel pump died. Replaced under CPO warranty |
| 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. |
| 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. |
| 86000 mi US $500 |
Radiator fan came loose. Cut into radiator. |
| 113000 mi US $400 |
Auxiliary fan broke off of electrical motor. New motor and fan replaced. Coolant flange behind the block was leaking water. |
| 66340 mi C $220 |
Replace coolant flange and temp sensor |
| 119660 mi C $265 |
valve cover gasket was replaced |
| 121520 mi C $2000 |
Replaced head gasket to fix a bad oil leak from the passenger side, rear corner of the engine block. Also timing belt, coolant pump as PM. |
| 142600 mi C $150 |
The flex pipe from the exhaust down pipe ruptured and had to be replaced. |
| 126000 mi US $1000 |
Oil dipstick tube broken ($20) Valve Gasket Cover cracked ($300) |
| 50000 mi US $1090 |
needed new water pump as fluid was leaking. got new timing belt too! |
| 51000 mi US $250 |
coolant temp thermostat replaced |
| 67000 mi US $200 |
Fuel pump died, pump was replaced and fuel filter was replaced |
| 71000 mi US $70 |
Leaking hoses to be replaced |
2004 Audi A4 4dr Sedan
220-horsepower 3.0L V6 6-speed manual AWD
| 111000 mi US $1500 |
Water pump failure although it had been replaced 30,000 miles prior. Timing belt also replaced early. |
| 52000 mi | -Engine Misfire. Dealer replaced entire engine block under warrante for free. -Brake light switch error required replacement. |
| 74000 mi US $450 |
fuel pump died |
| 75000 mi US $1500 |
Water pump replacement with timing belt. |
| 112000 mi US $650 |
dead fuel pump |
2004 Audi A4 4dr Sedan
220-horsepower 3.0L V6 5-speed shiftable automatic AWD
| 41000 mi US $1041 |
Sudden fuel pump failure |
| 70260 mi $300 |
Cylinder misfire and one coil pack was found to be faulty and then replaced |
2004 Audi A4 2dr Convertible
turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD
| 48000 mi | replaced water pump due to wetness on outside of pump. replaced timing belt because water pump was out. |
| 38000 mi US $1900 |
Had to replace the transmission TCM unit on a CVT at only 37k |
| 48000 mi | Warranty exchange on the TCM |
| 70000 mi | engine check light on highway, limp mode for one minute, slowed, then light stopped, code shows misfires but coils just replaced as part of recall. |
| 75300 mi US $145 |
replaced transmission mount |
| 79000 mi US $500 |
engine coolant temp. sensor |
| 74500 mi | crankcase breather system faulty causing oil consumption |
| 86000 mi | Scored cylinder walls, resulting in oil consumption, new factory short block under warranty as this was one of the factory covered 1.8t sludge cars. |
| 39000 mi US $180 |
Car would appear to studder and then stall when coming to a stop occasionally, engine would not rev past 1300 when accelerator pressed, and car would not move, drive selection (PRNDS) on instrument gauge would all be highlighted at once. |
| 42800 mi US $100 |
Ignition Coils failed, replaced under Audi Ignition coil service campaign Cam Adjuster Seals leaking |
2004 Audi A4 2dr Convertible
220-horsepower 3.0L V6 6-speed shiftable CVT FWD
| 61000 mi US $1600 |
Reverse flashing gear selection indicators. Intermittent, would reset when car restarted. Diagnosed as Faulty CVT control computer. |
| 64500 mi US $1800 |
Gear Selector lights flashing, Replace transmission computer and reprogram |
2004 Audi A4 2dr Convertible
220-horsepower 3.0L V6 5-speed shiftable automatic AWD
| 99000 mi US $320 |
Needed new oil pressure and oil level sensor |
2004 Audi A4 / S4 / RS4
Engine not specified
| 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. |
| 83000 mi US $200 |
Had to replace maf sensor |
2004 Audi A4 / S4 / RS4 4-door
turbocharged 6-cylinder diesel CVT 2WD
| 84200 mi | Glow plugs failed Drive belt about the fall off, bearings failed in belt guide and tensioner |
| 105000 mi £120 |
reservoir bottle had split. Had to be replaced |
See TrueDelta's information for all Audi models.
