Audi A4 / S4 / RS4 Audi A4 / S4

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Expensive Audi A4 / S4 / RS4 repairs by problem area

Engine (57%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (3%)

Suspension and Steering (15%)

Electrical and Air Conditioning (11%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (1%)

Chart based on 1062 repairs.
See TSBs and recalls for the Audi A4 / S4 / RS4.

Audi A4 / S4 / RS4 repair cost distribution

$2500+ (33%)

$1000 - $2499 (67%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

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

Chart based on 649 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2017 Audi A4 4dr Sedan

turbocharged 252hp 2.0L I4 7-speed automated manual AWD

88000 mi

US $3500
Overheating, replaced water pump. 
60000 mi

US $1600
Had replace water pump and related parts 
80000 mi

US $1500
Water pump replacement 

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2015 Audi A4 4dr Sedan

turbocharged 220hp 2.0L I4 8-speed shiftable automatic AWD

87300 mi

US $2182
The drivers side daytime running light was not operating. It involved the entire light assembly unit- not just a bulb. It involved the LED assembly inside the headlight. 
96400 mi

US $622
At about 96,000 miles the EPC light came on on the dash. We were on the road and we drove for several hundred miles to get to our winter home and to the Audi dealer. We also scheduled the 95,000 mile service at the visit. The dealer could not identify the reason for the EPC - except a stored fault for turbocharger overboost fault. Audi factory advised resetting all the computers. After that the EPC warning was gone and the car is performing well. We will monitor the car .... 
74000 mi

US $3500
Trouble getting transmission in gear. Dealer replaced transmission. 
78000 mi

US $500
Headlight (HID) replacement 
85000 mi

US $1500
Oil fill sensor failure 

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2015 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

60140 mi

C $1800
Pcv system failure. Repaired. Also conducted media blasting on valves. 

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2014 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

63000 mi

US $1000
replaced seeping water pump 
44000 mi

US $1000
Water pump seals began to degrade and leak coolant slowly. The pump was replaced with an OEM replacement. 
107100 mi

US $1973
-Replaced rear brake pads and rotors. -Brake fluid flush -Performed major service  -Replace valve cover gaskets and oil filter flange gasket -Replaced both drive belts, idler pulleys and tensioners 

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2014 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

44000 mi

US $2500
Condenser cracked, replaced with aftermarket condenser 
51000 mi

US $3200
Replaced clutch and flywheel. I had my car tuned with a performance chip, when that was done the clutch began slipping. I'm assuming it was a dual result, a worn clutch combined with the additional power overcame the clutch plate friction. When they did replace it, they said there was also excessive slop in the flywheel and there were warp marks on the flywheel too.  
68820 mi

C $1200
Secondary air fault code (0491 on both banks). Typically comes on in cold weather and is caused by carbon build up due to direct injection. 

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2013 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

32000 mi

US $1500
Fuel injector #4 went out. Car was shuttering upon start if it started and had white smoke out the tail pipes. 
67000 mi

US $334
Replaced front rotors and brake pads 
72200 mi

US $442
Replace left front outside CV boot 
78000 mi

US $300
Right rear shock absorber failed. Both shock absorbers were replaced. 
91000 mi

US $1150
Replaced left rear wheel bearing. 
85423 mi

C $8500
engine rebuilt. new pistons and rings due to excessive oil consumption. barely passed Audi engine oil consumption test. 
91140 mi

C $249
Replaced passenger side mirror surface. 
66000 mi

US $1000
Car began stumbling badly and threw a bunch of codes. Yellow CEL came on so I drove it straight to the dealer. Diagnosed as stuck fuel injector. Cost was $1200, but dealer did it for $1000. 
76300 mi

US $100
Replaced breather control valve. 
108000 mi

US $500
Battery replacement and other parts. 
90700 mi

US $1600
Spark plugs, fuel injector, replaced. Transmission reprogrammed, and valves carbon cleaned. 

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2013 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD

64000 mi

US $700
Check engine light came on, found out it was for an air leak in the fuel injector. 
99000 mi

US $1900
Braking was becoming inconsistent, brake discs and brake pad sensor replaced. Engine mounts collapsed and leaking, replaced. Lower control arms failing, replaced under extended warranty. 
136000 mi

US $9000
Two cylinders failed, engine totaled. 
98000 mi

US $8700
Piston and ring Failure in the #4 Cylinder, "0" compression. All Compression leaking into the crankcase. Required total engine replacement 
117000 mi

US $15000
Ring Failure in Cyl. #2. Complete engine replacement. Dealer new engine is $9500 plus dealer labor. Likely $15000 cost. in process. This is a 2013 going on its 3rd engine. 
130000 mi

US $616
New engine and using a quart of oil every 1,500 to 2,000 miles. Replaced crankcase pressure control valve and a burnt spark coil plug wire. Asked for a compression test at my expense. Slowed to a quart per 3k. 
136000 mi

US $200
Replaced rear brake pads and torn brake piston boots. 
149000 mi

US $1000
Alternator went out. Audi supply chain 2 to 3 weeks from Germany. LKQ Salvage alternator took two trips to Sacramento.  Crankcase pressure release valve also replaced third time third engine. 

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2013 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 7-speed automated manual AWD

55800 mi

C $1200
A road hum that started soft with acceleration and got louder with speed and time. I knew it would be pricey so I held off as long as I could. I thought it was only one rear wheel bearing, but turned out to be both. 1200$ later and it's a smooth quiet ride again. Yeesh. The wheel bearings were about 250 a side, killer. 

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2013 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

57000 mi

US $750
Front brake pads and rotors replaced 
95000 mi

US $1800
Pcv valve 
116000 mi

US $6000
Mechatronic needed to be replaced. S-tronic failed. 

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2013 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

33000 mi

US $2000
I had all four sets of pads and rotors replaced. 
41000 mi

US $3000
clutch/flywheel replaced 
60000 mi

US $600
Replaced all 4 dampers 
64000 mi

US $1000
CV Shaft Failure Wheel Bearing Failure 
115000 mi

US $4490
The clutch had begun to consistently "chatter" just before the it catches. Replace clutch. Also replaced flywheel, thrust bearing, and rear main seal since in there. Safety switch malfunction, found slight leak in clutch master cylinder. Master cylinder assembly replaced. 
130000 mi

US $650
[Clutch] slave cylinder needed replacement 
38000 mi

US $900
Water pump was leaking (approx 1 week for entire coolant system to drain). Solved after water pump replacement. 
42000 mi

US $500
Replaced front rotors and pads 
55000 mi

US $4000
Clutch pedal position sensor was not tripping and car would not reliably start. One shop replaced servo and master cylinder but problem persisted. Other shop identified issue as clutch plate collapse and successfully replaced clutch. 
73000 mi

US $6500
A previous shop botched a September 2019 PCV repair (due to dropping coolant levels and pooling in some crevices around the engine), and coolant had slowly dripped into the intake manifold. This repair fixed coolant-related items, replaced injectors, and did carbon cleaning. 

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2012 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

103000 mi

US $1500
decarbonize intake and injectors, replace spark plugs 
37200 mi

C $1587
Flashing Engine Light and EDC lit. Fuel Injector failure. Bore scope found Fuel Injector w/ constant fuel leak. Fouled Spark Plugs and Oil smelled of Fuel. going thru Audi Canada for partial/all reimbursement 
54000 mi

US $900
Leaking water pump 
63000 mi

US $310
CEL for System Too Lean. Replaced leaking oil separator breather valve. 
81000 mi

US $500
Replaced oxygen sensor. 
98000 mi

US $1500
Replaced both front wheel bearings. 
111000 mi

US $461
Replaced faulty AC sensor 
142000 mi

US $1700
Resealed upper cylinder head cover due to oil leak. 
78000 mi

US $300
Front driverside wheel bearing replacement! Noticed a howling/bearing wear noise when steering to the right/turning! Wheel alignment wasn't required! 
178000 mi

US $12000
Timing belt broke, need a rebuild or new engine! Most places wont attempt a rebuild! 

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2012 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual AWD

78000 mi

US $1400
Brakes and Rotors replaced, used dealer as independent shops with the VAGCOM are more expensive than dealer. 
85000 mi

US $2500
Carbon build up on injectors caused by direct inject resulted in check engine light and required cleaning to prevent other damage 

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2012 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 8-speed shiftable CVT FWD

50220 mi

$4000
One of the piston misfire, may require engine overhaul; update: still in shop two months later 

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2012 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

46700 mi

US $1200
Puncture to A/C condenser. Condenser replaced Cranking longer on cold start. Diagnosed as failing fuel pump Upper control arm bushings replaced 
72000 mi

US $345
Oil filter housing 
78000 mi

US $1300
Rear brake caliper and caliper motor we're toasted so they had to be replaced. $800 in parts and $500 in labor. 
57000 mi

US $580
Replaced front rotors and pads. 
68000 mi

US $8000
DSG transmission failed giving me only odd gears. Bought the control module for $8000. Did not solve the problem. Required transmission replacement @ $18K. After mentioning the class action suit against them at the time, they forgave $12K. Never shifted right after that. 
55000 mi

US $1000
Mass Airflow sensor was replaced. $750 just to remove the supercharger to replace a $25 part. 

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2012 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

13300 mi

US $1100
Rock hit radiator. Radiator leaked. 
36300 mi

US $200
replaced battery 
50000 mi

US $1200
Secondary Intercooler cracked because of a rock. Needed to be replaced and cooling system reinstalled and fixed. 

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2011 Audi A4 4dr Wagon

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

112000 mi

US $200
Coil packs needed replaced 
124000 mi

US $2500
Timing chain stretched, tensioner failed, pistons hit valves 
65000 mi

US $1300
Replaced engine mounts 
55900 mi

US $1500
Two blown shocks, needed to replace all four 
71500 mi

US $450
Leaking PCV valve; replaced 
77000 mi

US $400
Failed oil consumption - rebuild bottom end of engine - pistons, bearings, rings, timeing chain and chain tensioner - In addition new plugs and coil packs, 
77000 mi

US $1005
Left front wheel bearing failure, aligned all four wheels and calibrated backup camera 
98000 mi

US $800
New Brakes and Rotors Front and Rear 

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2011 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

82000 mi

US $150
Car was badly misfiring. Fixed with a can of fuel injection cleaner. 
94000 mi

US $4250
Pistons and rings needed to be replaced. 
111000 mi

US $700
Bearing needed to be replaced. 
125000 mi

US $200
2 ignition coils had to be replaced. Have replaced all 4 now. 
175000 mi

US $100
Breather Valve Replacement 
267700 mi

US $200
Engine Coil Wheel bearing replaced. 
57000 mi

US $1005
Oil pan drain plug replaced Had been stripped out.Just bought the car nobody would admit to causing the problem The audi dealership did the last service that showed up on car fax but said they didn't do damage the place I bought said i dont know 
66000 mi

US $332
Center brake light replaced , and oil change . 
67340 mi

C $1065
both front wheel bearings replaced 
10807 mi

C $1021
replaced rear shocks 
103000 mi

US $9000
My 2011 Audi A4 continues to burn oil at an alarming rate. Currently the reading will go from max to min within just over 1,000 miles. The issue became severe and was first looked at just over the 80,000 mile class action lawsuit warranty repair period. Audi USA refused to offer any assistance for what is clearly a manufacturing defect. I was quoted between 6k-9k to repair the issue myself, which means my car is totaled by this Audi manufacturing issue. 
65000 mi

US $1000
Oil seal was leaking 
33000 mi

US $100
Replace turbo 
35000 mi

US $1350
Replaced all brakes and Rotors. Frond and rear 

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2011 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD

72540 mi

R 2000
Replace faulty boot lock 

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2011 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual AWD

52000 mi

US $1000
Engine code P0299, turns out to be turbo charger failure. Issue is identical to this TSB, but Audi claims my VIN isn't covered. TSB#TSB-21-13-14 Summary: AUDI: ON SOME VEHICLES THE TURBOCHARGER WASTE GATE FLAP IS LOOSE. DTC P0299 
64000 mi

US $1000
Water pump replacement to fix CEL 
123000 mi

US $623
Replaced rear strut assembly. One strut leaking badly. 
152000 mi

US $8149
Vehicle was suffering from oil consumption. I decided to have it rebuilt with new pistons as well as water pump, timing chain, clutch, and related parts, seals, and fluids. Essentially a total engine overhaul. It is no longer losing oil. 

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2011 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

45000 mi

US $784
Thermostat failure 
60000 mi

US $1100
Crank Pulley Separated and shredded accessory belt. New crank pulley, accessory belt and supercharger belt replaced. Car was modified with aftermarket supercharger pulley and tune. 
67100 mi

US $3800
Mechatronics unit replacement and reprogram. 
72540 mi

C $700
Both sets of front bearings replaced 
77500 mi

C $600
Leaking transmission seal discovered during transmission oil change. 2.5 hours of labour required + parts. 
86800 mi

C $800
Replace oil pan (corner rust bubble) & repair incorrect work done by Audi dealer - for transmission oil change (the vehicle was bought to a garage specializing in Audis.). 
89900 mi

C $4000
Seals on transmission failed. Transmission removed, seals and pump replaced. Underlying cause is speculative, but it may be that the dealer (who replaced the transmission fluid as part of scheduled maintenance) overfilled the transmission. Engine block seal failed, oil leaking from engine 
57000 mi

US $750
voltage regulator intermittent failure created over voltage errors for all systems, causing car to go into safe/limp mode. This took place after a minor rear end impact (jolt). Votage regulator replacement was done. 
59000 mi

US $6000
Thermostat failure, resulted in car overheating initially intermittently, then continuously. This caused transmission failure due to electronics associated with mechatronics control unit for 7 speed DSG to fail. mechatronics unit replaced. Mechatronics unit failed due to thermostat failing in closed position, resulting in car overheating. No coolant loss was seen, this was entirely a thermostat failure. The resulting overheating caused electronics in the Mechatronics unit for the DSG to fail, putting the car into a limp mode where the transmission Reverse and Even gears were unavailable. Problem solved when mechatronics unit was replaced and the transmission reconfigured by the dealer. 
96000 mi

US $1500
Failure of Mechatronic Unit! Prevalent in this model and dealers are not cooperative when it comes to repairs. 
96700 mi

US $600
Horn was not working 
120000 mi

US $1989
The car did not have reverse, 2nd, 4th or 6th gears: It could only drib=ve in 1st, 3rd, 5th and 7th gears. TSB. 
97960 mi

C $1500
Abs sensor right front wheel failed Had to replace the power steering pump- part 1181 CAD and labor runs around 375- ugly repair, this part should not fail!!! 
27300 mi

US $395
Reverse camera cable was bad so camera quit working. Cable needed replacement. 
32000 mi

US $2000
A pressure valve in the engine needed to be replaced. The dealer claims that it may have gone bad because I don't drive the car often/long enough. 
112840 mi

C $1000
Failed thermostat. 
25200 mi

US $100
Sudden shift to neutral from highway speed. Problem with DSG sensor (mechatronic unit) 
28000 mi

US $100
Engine thermostat 
35000 mi

US $3200
Adaptive Cruise Control module,  air conditioner valve 
48000 mi

US $1200
Thermostat failure. Replaced with OEM part. Preemptive replacement of water pump and 45,000 maintenance performed as wel. 
125000 mi

US $350
Upper control arm bushing pressed out and replaced. Noticeable improvement in ride quality. I also did an alignment at the same time, which may or may not be necessary. 
130000 mi

US $1200
Car Running very hot. Limped into the shop. Discovered water pump leaking and thermostat likely stuck shut. Replaced water pump, thermostat along with fresh coolent. Excessive oil consumption, 1qt/500 miles. Replace PCV valve per TSB/ owner forum consensus. PCV valve is below the Supercharger unit and is a labor intensive process to get to. The part it's self is only about $150, but around 6 hrs of lbr 
34000 mi

US $1200
Thermostat stuck closed, flatbeded to dealer, was replaced previously on recall ~ 7k miles, now again at 33k miles 

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2011 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

132000 mi

US $1800
Sport differential. Needed new sensor kit, new solenoids, and fluid. 
55000 mi

US $1000
Noticed elevated temperature on dash gauge and radiator fans running full speed. No warning light indicated, but taken to shop. Thermostat failed closed. 
128000 mi

US $2200
Made a left turn, heard a brief "rubbing" sound, and lost power steering. Pulled to side of road and found main serpentine belt shredded and blower belt kicked off. Car towed to shop. Crank harmonic pulley failed. Serpentine belt shredded, destroyed tensioner pulley and idler pulley. Damage to a plastic cooling pipe crossover on bottom front of motor. 

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2010 Audi A4 4dr Wagon

turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD

66000 mi

US $3800
Breather assy, valve cleaning and main seal engine replacement 
68000 mi

US $2100
Leaking panoramic roof allowed water into rear computer units in rear area. 2 units replaced and roof resealed 
86800 mi

C $2000
Oil use problem . New pistons and rings done by dealer at 50% cost split out or warranty with Goodwill. I had timing chain and tensioner replaced at same time. 
101060 mi

C $1139
Bottom stabilizer bar and curved and straight lower control arm. Also recirculating valve. 
119660 mi

C $988
control arm, etc. 
96000 mi

US $1900
Bushings Drivers left armrest replaced 
100000 mi

US $3800
Water pump Mixture sensor 
115000 mi

US $250
Rear Shocks. Owner Repair. 
123000 mi

US $1500
R and L Wishbone Control Arms (2 per side) and Alignment 
73000 mi

US $1300
catalytic gasket replaced. regular service performed 

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2010 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD

57500 mi

US $3000
CVT "gearbox malfunction" light came on, trans would slip on inclines, dealership quoted 10,000 to replace. Replaced with a used trans at indie shop instead. The CVT is garbage. Stay far far away. 

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2010 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 7-speed automated manual AWD

46500 mi

A $2600
Engine valve collet broke. Valve entered the engine destroying the internals. Unclear if related to recent rebuild, Audi would not elaborate. Without dealer assistance the total would have been $28500. 
62000 mi

A $612
Driver side xenon bulb was turning off after being in for 5 minutes. Diagnosed as bulb needing replacement 

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2010 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD

74300 mi

US $752
Replaced Air Intake Separator Tech noticed water pump leak on prior visit. Water pump replaced. 
80700 mi

US $3100
Underboost CEL. Replaced turbo. 
114000 mi

US $628
Leaking right rear shock. Replace both rear shocks. 
28000 mi

US $1000
Water pump is started to leak slowly. I haven't had a chance to bring it to the shop for repair as I don't drive the car much. Repair cost quoted from $850 to $1175 
87000 mi

US $3500
Timing chain replacement 
90000 mi

US $1600
PCV Valve failure caused an oil leak in the rear main seal. Repair costs associated with removing the transmission and replacing the main seal. 
54000 mi

US $820
Failure of 1 fuel injector. 
94000 mi

US $2000
Replace rear main seal Replace engine mount 
69000 mi

US $2000
Valve burnout, rocker-roller push rod gave out and caused lack of compression. 

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2010 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual AWD

54000 mi

US $500
Clutch needed to be replaced. I think the lining slowly wore out as it kept slipping increasingly. L front wheel bearing replaced 

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2010 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

77000 mi

US $2080
Transmission light came on, lost reverse while in VA. it had been occasionaly slamming into 1st from second for a while. ended up needing TCM/mechitronics replaced. Other than this the car has been flawless and is driving fine now. 
93000 mi

US $960
Left front wheel bearing was droning and needed to be replaced. Hub and wheel bearing was done. 
99000 mi

US $1200
car was overheating and needed to replace thermostat and water pump. 
72000 mi

US $650
navigation antenna not communicating with MMI 
75700 mi

US $11000
Coolant in the cylinders 
41220 mi

C $1200
One rear shock absorber 
46500 mi

C $400
Rear high brake light 
48980 mi

C $500
Replace battery 
54560 mi

C $2200
Wheel bearing and front brakes and rotors 
113000 mi

US $1000
wheel bearing needed replacement 
155000 mi

US $800
alternator replaced 
43700 mi

US $100
Check engine light came on. Was a camshaft sensor that was broken. Would have been $290 + tax to repair at dealership, but I had an extended warranty. 
53400 mi

US $658
Engine temperature kept on rising and low coolant warning came on once. Coolant level was fine. Faulty thermostat. Replaced thermostat. Wheel bearing was squeaking. Replaced both front bearings (left and right). 
60200 mi

US $3083
During stopping of car, car would lurch forward. Esp. noticeable during warm temp. Replaced battery (did not solve issue). Then replaced mechatronics unit. During inspection for repair of transmission issue, dealership noticed rear diff. leaking. Replaced rear. diff. seal. 
18000 mi

US $382
A "sport differential failure" warning light came on without any other symptoms. Computer scan revealed this was due to transient low battery power. Battery tested okay. 
62400 mi

US $300
Rough downshifts with with "S-tronic" dual clutch transmission. The dealer reprogrammed the mechatronic control unit. After a period of "readaptation" the problem persisted and I suspected impending mechatronic failure, however after nearly 2,000 miles driving it has improved. 
72000 mi

US $1200
The "convenience module" failed and had to be replaced. This unit controls the keyless entry and vehicle start switch. 
41000 mi

US $1200
Thermostat failed stuck closed causing engine overheating 
82000 mi

US $1500
Thermostat needed replace car was overheating 
102000 mi

US $10000
Had to replace the transmission 
125500 mi

US $1800
emission sensor failed headlight failed Transmission failed 
132900 mi

US $400
Faulty coolant line Faulty blower 
42000 mi

US $650
Thermostat (located under the supercharger) 
64000 mi

US $2200
Right side catalytic converter failed 
69000 mi

US $596
Crank pulley, accessory belt, super charger belt 
97000 mi

US $1500
left front and right rear wheel bearings 
29200 mi

US $1100
Battery low warning message when listening to radio with engine shut off. Dealer replaced radio module but did not solve problem, credited for this later. Root cause: bad voltage regulator and battery. 

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2010 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

47740 mi

C $2624
Clutch/pressure plate replaced 
51840 mi

C $1100
Clutch master cylinder replacement to resolve issue with starting the car (had to depress the clutch very hard). 
105400 mi

C $1000
Loud whining, diagnosed to be the left lobe of the supercharger. Supercharger replaced with new-used part and about 50% of the whining noise reduced, supercharger idle pulley replaced but the noise was still there but less, accessory belt tensioner replaced resolved the last bit of noise due to bad bearings. 
35300 mi

US $1600
Clutch started to slip during spirited driving. Replaced clutch with an aftermarket 6-puck Eurospec clutch. 2 Weeks later had to replace a failed clutch master cylinder. No problems to date. 
70000 mi

US $900
Wheel bearing needed to be replaced. 
116000 mi

US $3000
Clutch and flywheel - put performance parts in due to slightly more than stock. 
126000 mi

US $1500
Suspension steering rods 
46000 mi

US $1100
squeaky gearbox and rough shifting 
59000 mi

US $170
Rattle from rear dash/trunk 

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2009 Audi A4 4dr Wagon

turbocharged 211hp 2.0L I4 7-speed automated manual AWD

43400 mi

A $400
New PCV fitted to reduce excessive oil consumption. 
52700 mi

A $1400
leaking engine mounts replaced 
52700 mi

A $785
door lock failed, replaced door lock replace rear door lock 
57660 mi

A $1600
side assist sensor replaced 
63240 mi

A $1600
water pump leaking Engine mount bracket damaged. The problem occurred after the gearbox was repaired so i think it was probably caused by the workshop, I could be wrong. fuel fill hatch not opening Pistons and rings replaced due to excessive oil consumption. 

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2009 Audi A4 4dr Wagon

turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD

60000 mi

US $280
A temperature/pressure sensor failed and had to be accessed for replacement. 
89000 mi

US $1300
Intake manifold developed an air leak and triggered a misfire and check engine light. The manifold had to be removed and replaced. While the manifold was off, the intake valves were cleaned. 
109000 mi

US $1100
Replaced blown left xenon headlight bulb. Replaced worn brake rotors and pads 
74400 mi

C $365
Excessive oil consumption. > 1qt per 1000 kms. Oil consumption test is being performed 
75640 mi

C $600
Excess oil consumption. Vehicle has 'failed' oil consumption test. Data has been sent to Audi for review. 
82460 mi

C $1100
Carbon build up in intake jammed air intake flapper causing electrical actuator motor to fail. 
86180 mi

C $100
Check engine light. Mechanic confirmed thermostat failure. Replaced part. Drivers sunshade clip broken. 
89680 mi

C $200
Cam access plug fell out causing significant oil leak, rough idle, check engine light Driver side door keyless entry does not work in cold weather. Sensor is good, actuator freezes. 
98580 mi

C $550
Left wheel bearing fail 
60760 mi

C $350
Needed new spark plugs and oil change. 
70620 mi

C $1200
Cracked water pump housing due to improper repair by audi dealer service 
76220 mi

C $1200
Failed integrated vaccuum advance on intake manifold rwquiring replacement of entire plastic manifold. 
77120 mi

C $4000
Cv joints and brakes 
130000 mi

US $525
Battery not charging. Alternator tested as failing, replaced. 
152000 mi

US $1350
2 injectors were leaking fuel. Intake manifold operating improperly, stuck. All replaced. 
138000 mi

US $6500
Timing chain and tensioner. New intake valves, machine head, new intake camshaft. Oil change, coolant flush 
207000 mi

US $500
Broken sunroof drain hose 
67700 mi

US $550
PCV valve failed resulting in excessive oil 'consumption' 
56000 mi

US $325
Engine was misfiring and thus running very rough. Problem was finally diagnosed as an ignition coil failing 
66000 mi

US $150
Lock sensor on exterior of door (for keyless entry/exit) was not working 
72000 mi

US $1500
Keyless door locking and unlocking not working Headlights not rotating up into position 
87000 mi

US $400
Accessory belt idler wheel broke and was replaced 
92000 mi

US $280
significant oil leak from rear main seal 
104500 mi

US $200
significant water leak into trunk area wheel well (Avant). Sunroof drains were clogged from tree drippings. Some cables got wet, ignition key would not come out and car could not be turned off -- had to remove fuel pump fuse. 
109000 mi

US $900
front calipers partly frozen, pedal soft and low. Rotors damaged from rust, not just scored and not just on surface. Ground down and lubed caliper pins, replaced front and rear pads and rotors. 
127000 mi

US $4000
not shifting correctly in 'automatic' mode, though shifting ok manually. Full transmission service, plus some kind of 'update'. Now works well horn not working. Lots of hours of diagnosis.Turned out to be wiring problem and module problem. Now working. ABS not working - dash warning - and turn signals didn't turn off. Replaced the steering angle sensor oil level sensor not working, warning light stayed on even after changing oil. Replaced sensor brakes badly vibrating. Installed new pads and rotors, cleaned and lubed caliper pins.  Water accumulating in trunk/spare tire well, near the amplifier. Pools into the area all the way at the back driver's corner of that hatch, just above the bumper, or maybe even into the bumper area. Diagnosed, removed headliner, re-attached drain tubes, fixed another small leak. Update, April 2022: Looks like it is leaking again. Rear caliper bleed valves frozen. Very expensive to replace calipers (over $1200 each) if the valves are broken trying to open them, so did not flush brake fluid from rear lines. 
127000 mi

US $550
investigated water leaking into Avant rear next to amplifier, and claimed it was because my suspension was lowered from the stock to the stock sport. And reconnected sunroof drains after removing then reinstalling the headliner. This only worked for a short period of time. 
71000 mi

US $2207
Rear sunroof drain in panoramic sunroof became clogged and water overflowed into interior and on to the stereo amplifier. The stereo amplifier had to be replaced and the drains cleaned out. 
36000 mi

US $1482
There was a blockage in the rear sunroof drains which caused an electrical short which caused an electrical short to the camera and the loud speaker amplifier. 
40100 mi

US $1500
Leaking water pump 
48000 mi

US $1700
Hub bearing 
93000 mi

US $2000
Brakes 

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2009 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD

75000 mi

US $1460
Replaced crankcase vent valve, replaced front crankcase seal, perform software update, carbon blast intake valves. 
51000 mi

US $650
Leaking waterpump. Replaced pump and thermostat. 
75000 mi

US $3000
Leaking water pump 3 leaking engine mounts 
90000 mi

US $500
Bad coil pack causing cylinder misfire. Replaced all 4 coil packs. 
40300 mi

A $1200
stage 2 repair, piston and rings 
76200 mi

US $3600
Shifting problems. Transmission jerking when going from 45 to 60 mph. Only upgraded software with no correction Dealer recommends changing transmission. No reman units available. Replace with new transmission 
119000 mi

US $850
Alternator bearing worn out causing noise. Alternator assembly replaced. 
121000 mi

US $1500
A/C stopped cooling. Internal issue with AC. Replaced 
55000 mi

US $1700
This month the car was taken in for a recall -- also found that the engine mounts needed replacing. Cost 1700.00. 

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2009 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD

32000 mi

US $125
Fog lamp grill popped out of car and had to be replaced. 
52000 mi

US $1227
Replaced water pump. 
84700 mi

US $450
Front passenger door wouldn't lock. Diagnosed as needing a new actuator. Actuator replaced. 
84000 mi

US $400
Intake manifold leaking. Redesigned intake manifold installed. Audi paid for one-half of bill as car is only 4 months out of CPO warranty. 
107000 mi

US $1800
Rear main seal leaking. Rear main seal replaced. 
115583 mi

US $330
Replaced driver's door actuator. Also included car rental for 1 day. 
118000 mi

US $110
Heating element on the upstream O2 sensor failed. Replaced sensor. 
46000 mi

US $3000
Air conditioner enclosure leaking - water pooled on floor. Replaced the enclosure and the fan control module. Door gaskets detached. Gaskets were replaced. 
74000 mi

US $2830
Replace faulty blower motor and switch Replace water pump due to coolant leak Replace faulty motor mount due to hydraulic fluid leak 
97000 mi

US $700
Worn calipers, rotors and pads 
68700 mi

US $1000
A long block had to be installed due to the camshaft being out of alignment and ruining the engine. 
72000 mi

US $1000
Battery was in excess of 5 years old and was starting to lose its charge 
93000 mi

US $400
Turbo was not spooling sufficiently. Temporary fix: reflash. 
103000 mi

US $4775
Turbo went bad and had to be replaced 
111000 mi

US $625
Replace alternator pulley and belt 
113000 mi

US $1400
catalytic converter failed and replacement failed and car had to use California emission catalytic converter to stop fault codes 
99000 mi

US $1600
preemptively replaced timing chain / camshaft. Drain and replace transmission fluid. 
70000 mi

US $1500
Sunroof frame cracked, water leaked in and stained the headliner and soaked the carpet. Sunroof frame was replaced, interior cleaned. 
68000 mi

US $1000
MISFIRE CYLINDER #1, ALSO BURNING A QUART OF OIL PER 1200 MILES. NEVER GOT TO THE MIS FIRING PROBLEM, SOLD CAR..... 
60420 mi

C $850
Engine light came on--Needed to replace water pump and change oil separator. Car still drinking too much oil. 
77480 mi

C $1700
Excess oil consumption-went Audi court settled repairs for warrantied Piston rings, bearings replacement. Covered by Audi. Car still consuming excess oil-going back to dealer for test I paid for timing chain, oil pan and carbon cleaning. 
90520 mi

C $990
Front Right Passenger Door Actuator lock failed and had to be replaced 
109120 mi

C $900
Rear Right side wheel bearing 
111 mi

C $300
Left Rear wheel bearing replacement 
68000 mi

US $350
Needed a new water pump Needed to replace the right front headlight assembly. 
91000 mi

US $2500
Computer system issue 
195000 mi

US $8200
Blown timing chain. Full engine replacement. 
71500 mi

US $100
Timing chain tensioner failure. Headlights replaced. 
108800 mi

US $7000
Engine Replacement: catastrophic failure due to tensioner failing 
118000 mi

US $2000
Timing chain stretched resulting in $2000 repair to replace with no assurance that it would fix issue. Decided to trade in for 2013 Audi A6 
51000 mi

US $2300
Turbo charger failed 

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2009 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual FWD

104160 mi

R 80000
I was experiencing excessive oil consumption so all four pistons were replaced with OEM parts by the dealer but I had to pay the full price for the repair. 

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2009 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual AWD

57040 mi

C $500
Replaced front left bearing. front was replaced at ~50k km 
68200 mi

C $400
rear headlight level sensor broke. needs to be replaced. exhaust clamp broke and had to be replaced. Discovered the problem, drove 40km to garage and exhaust almost fell.. had to wait for part to come in. 
71920 mi

C $1500
water pump was cracked. excessive oil consumption. did stage 1. 
76260 mi

C $1400
wheel bearings, 
89000 mi

US $6000
Complete replacement of the head 
55300 mi

US $330
Engine misfiring during boost 
57000 mi

US $125
Failed PCV - replaced with updated part 06H103495AC. Confirmed after replacement that the gasket inside had torn. Common problem - under 1 hour DIY. 
57500 mi

US $1000
Failed aftermarket front coilover - internal component failure required replacement from manufacturer. 
60000 mi

US $1600
Clutch slipping. Could have driven for thousands of miles if I baby it. Replaced with ClutchMasters FX350 and retained flywheel which was in good shape. Cannot fault Audi for failure - my car makes far more power than stock. 
98000 mi

US $2100
Rear main seal leak ... also pcv failed. estimated cost of rear main seal $1000-$1100. i authorized replacement of clutch and resurfacing of flywheel, as the addtl labor cost was nominal, and clutch was nearly 100k old. 
103000 mi

US $200
rat or other animal ate thru the wiring on a sensor ... car would not start ... wiring in a difficult position, so a mechanic's involvement was needed. 
59800 mi

US $1200
Left tie rod end loose, causing vibration at 65-80 mph. I had both tie rods ends replaced as a precaution, $500. Right front upper control arm bushing noted to be ripped. Both sides (upper) preventatively replaced, $700. 
75000 mi

US $540
Car acceleration not smooth, surging with wide open throttle. Low pressure smoke test showed a leak in the engine cover/timing belt cover. 1 day to diagnose. 1 day to install new parts. 
97000 mi

US $2500
Crack in water pump. Alternator burned out. 

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2009 Audi A4 4dr Sedan

265-horsepower 3.2L V6 6-speed shiftable automatic AWD

54000 mi

US $600
Leaky transmission oil pan gasket (?) - mechanic said transmission oil was leaking. 
121000 mi

US $400
Replaced rear brakes and rotors 
125000 mi

US $900
Airbag light on dash came on and cruise control stopped working. Repair shop said that the airbag control module was not working and needed to be replaced. Airbag control module was replaced and system was reset; everything working well now. 
133000 mi

US $1400
front end suspension "creaked" when going over bumps in the road. Mechanic recommended suspension work and replaced upper and lower control arms on both left and right sides. 
139000 mi

US $250
replace right LED light; headlight failed indicator kept going off 
105000 mi

US $1400
AC Compressor had totally died. Required complete replacement 
110000 mi

US $6000
Transmission repairs. Control arm replacement, battery replaced. Several other parts replaced that were leaking oil. Oil change. Fan unit replaced. O2 sensor replaced.  
114000 mi

US $800
Radiator was punctured somehow. Discovered because coolant was leaking. Replaced radiator, and everything was fine 
97340 mi

C $4000
Fuel injectors plugged. 7 hours of Audi labour + parts = CDN$3300! 
34720 mi

C $1800
Replaced leaking fuel injectors and spark plugs. Replaced leaking coolant line. 
47220 mi

C $550
Repaired paint chipping from front wheel wells caused from kick-up of material by front tires. Both fenders were repainted and 3M plastic film installed over problem area 
47840 mi

C $250
Warning indicator lights randomly turning on 

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2009 Audi A4 2dr Convertible

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

101000 mi

US $3700
Car had.a rough idle and had to replace head gasket. 

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2009 Audi A4 2dr Convertible

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

71000 mi

US $1100
Convertible top under plastic panel cable broke. Had to replace entire system. 

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2009 Audi A4 2dr Convertible

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

48000 mi

US $650
1. problem with tires after 16,000 miles - loud noise and vibration. Car had new tires and aligment in January. Original dealer would not help. 2. NAV DVD would not eject - Original dealer would not help. Had to take car to new dealer 
78200 mi

US $745
Cruise control stopped working. Replaced cruise switch. 
64200 mi

US $1300
Installed switch and control unit for cruise control Replaced pump and motor for convertible top. Top would not go up. 
89000 mi

US $209
Windshield washer pump replaced Windshield washer pump replaced 
94500 mi

US $874
Replace "soft boot" in trunk for convertible top. Cable broke and gear stripped, convertible would not go down. Replace "soft boot" in trunk for convertible top. Cable broke and gear stripped, convertible would not go down. 
99000 mi

US $800
New rotors, pads and calipers 
129300 mi

US $3100
motor mounts - replaced Insulation/coating for wires to headlights "rotting". had to replace front headlight harnesses Rear View Windshield mirror, mount broke 
131000 mi

US $2109
Rear shocks, struts, front bearings Valve cover gaskets 
136000 mi

US $100
Replaced Broken latch on glovebox 

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2008 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

55000 mi

US $1100
Needed replacement of rear timing chain housing 

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2008 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

48000 mi

US $500
Replace serpentine belt 
79000 mi

US $2400
R&R Cooling system; expansion tank; radiator hose expansion tank hose. R&R Valve cover gasket, left and right 

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2008 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

72540 mi

C $8000
cam shaft seizure on drivers side(Canadian) driving at about 120km's on highway ,felt like front tire blew out.every light on dash lit up,originally thought timing chain problem.purchased and installed new head(rebuilt)new tensioners and guides,chains,clutch few other items. 
78740 mi

C $6000
had to replace timing chain ,tensioners,cam phasers.Just replaced all this little over a year ago.Garbage parts,very bad engineering and an absolute waste of money.I will never purchase an Audi product !! Buy a Lexus,I'm dead serious,Research and development surpasses every other manufacturer. The Audi A4 is the number 1 Towed vehicle on the planet. 

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2008 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

70700 mi

US $2500
Replace control arms and bushings, upgraded the springs and shocks. 
75000 mi

US $1000
Replaced CV boot and 75,000 mile service 
87000 mi

US $200
Took in for power steering leak. Dealer couldn't find, but "found" multiple oil leaks. 
92000 mi

US $1028
Had to replace two O2 sensors 
100000 mi

US $250
Convertible top latching motor failed. Headlight idiot light came on, but main headlights were still working. One of the bulbs in the driving lights needed to be replaced. 
100300 mi

US $250
I smelled gas when I parked in my garage after refilling the gas tank. The sender unit had a crack that allowed gas to leak from the tank 
104000 mi

US $1600
Power steering pump died. Had to replace both the pump and the driveshaft for the pump 

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2008 Audi RS4 4dr Sedan

420-horsepower 4.2L V8 6-speed manual AWD

70000 mi

US $5000
Serpentine belt tensioner rubbed an hole in the oil cooler I think because of faulty installation when the car was at another dealer for earlier work. Audi of America and the other dealership disagree... Tensioner, belt, and cooler replaced. 
87300 mi

US $1150
Check engine light came on. Diagnosed as leaky vacuum line and repaired. 75k service also performed, as well as replacement of underbelly tray. 
85000 mi

US $2500
throttle body failed. replaced with remanufactured unit. oem part, but not audi-branded. struts were leaking. dealership only repair. apparently it's a special part. went with aftermarket coilovers, due to cost. performance seems similar to DRC system. 
93200 mi

US $2000
Carbon deposits cleaned from intake system. Sway bar end links replaced. 
97000 mi

US $350
Replaced left front inner and outer CV boots. Old CV boots were torn and leaking fluid. 95k mile service and oil change. 1 hour to look for vacuum leak (source of check engine light). Could not find its source. 
105000 mi

US $700
faulty intake manifold flap solenoid replaced. 
115000 mi

US $1000
Oil pan was leaking from drain plug. After oil change, new drain plug with larger crush washer didn't fix leak anymore, so lower oil pan was replaced. 
116000 mi

US $200
oil leak was fixed with new oil pan. spent a few extra days in the shop due to incorrect sealing. 
120000 mi

US $450
oil change, alignment, a few warning lights that didn't amount to anything. fixing a bad alignment another shop did. 
15000 mi

US $1100
replaced A/C compressor. 
150000 mi

US $300
pressure switch needed to be replaced. faulty replacement parts prolonged stay in shop. 
38000 mi

US $1500
Needed a carbon clean. Normal maintenance for this engine. 
37200 mi

US $1200
Performed valve cleaning due to carbon buildup via direct injection system flaw. 
48000 mi

US $175
Changed transmission fluid as shifter was becoming slightly balky. Noted several ball joints in front suspension starting to exhibit a slight amount of play. Will replace soon. 

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2008 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

63240 mi

C $1000
headlight 
93000 mi

C $600
multiple leaks in exhaust, replaced whole catback system thermostat failure 
94240 mi

C $200
spark plug coil 
102300 mi

C $1000
leaking seal 
117800 mi

C $200
burned out headlight 

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2008 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

76000 mi

US $1680
High pressure fuel pump drive cam came apart and destroyed fuel pump and camshaft. 
77000 mi

US $500
#4 injector was replaced for same problem noted in Apr 12. This corrected the problem. 
84320 mi

C $99
Replaced 2 coilpacks 
86800 mi

C $2819
Noisy wheel bearings - replaced all 4 bearings 
89280 mi

C $160
Oil Change and Air filter / Cabin Filter 
89900 mi

C $659
Adaptive Xenon Headlight front levelling sensor 
120280 mi

C $4000
PCV replacement, intake manifold walnut shell carbon cleaning, turbo replacement 

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2008 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

16740 mi

C $400
burned xenon headlight 
60340 mi

C $1500
Engine pump needed replacement 
61380 mi

C $1800
cam shaft and chain tensioner replaced 

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2008 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

53000 mi

US $1900
Engine Mounts, 55,000 mi service, rotors & brakes 
78000 mi

US $700
Cooling system; replace aux fan and thermostat 
86000 mi

US $1500
Replace climate control stepper motor Replace oil pump 
59300 mi

US $150
Valve cover needed to be replaced 
85800 mi

US $222
Replaced battery 
90000 mi

US $400
Baffle motor broken and stuck 
100000 mi

US $650
Thermostat replacement 
104500 mi

US $1305
Replace auxiliary fan assemblies (right and left) as well as fan control unit 
107000 mi

US $485
Check engine light--fuel metering system running too lean ar idle--replaced crankcase vent valve assembly 
107000 mi

US $650
Air bag light again came on, had to replace airbag clockspring 
75800 mi

US $1400
Cooling system, the water pump needed to be replaced along with the timing belt and the thermostat 
71000 mi

US $1200
CEL came on at 71000 miles. Turbo recirculation valve failed and was replaced.  Also had to replace the front 2 engine mounts. 
87000 mi

US $200
engine valve cover gasket was replaced. 
93000 mi

US $140
Failing coil pack causing timing issues. Replaced all 4 coil packs and spark plugs myself. 
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. 

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2008 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

41400 mi

US $300
Tensioner squealing. They changed tensioner, rollers and timing belt. 
45300 mi

US $100
Diverter valve bad 
73000 mi

US $2000
new tie rods,left spindle, control arms coolant flange leak and various hoses replaced 
90000 mi

US $2500
New front and rear suspension. New tires, wheel alignment. Oil pressure sensor replacement, oil change. 
46000 mi

US $700
Thermostat stuck open and not allowing engine to come up to temp at highway speeds. City driving was generally ok, but slow to warm up. 
47000 mi

US $850
In-tank fuel pump failed. Car would start fine when cold but when running short city errands with several on/off cycles it would eventually fail to start. 
25000 mi

US $1500
Fuel delivery system issue unresolved. Both fuel pumps replaced as well as fuel pressure sensor and problem still persisted. Dealer was moving on to replacing fuel pump control module but vehicle was totaled before it was installed. 
80000 mi

US $600
thermostat replaced 
85000 mi

US $1000
wheel bearing was damaged. Unknown cause 
56000 mi

US $2100
Suspension and control arm. Motor mount 
67000 mi

US $1000
Two different mechanics unable to identify issue. Engine Light on, emission error detected but unable to fix. 
64200 mi

US $1200
front control arms an struts replaced 
78000 mi

US $900
Timing belt and water pump replacement 
75000 mi

US $800
Thermostat replaced 
89000 mi

US $600
Lock cylinder assembly replacement. 

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2008 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual FWD

99200 mi

US $2000
AC Compressor Failure Failure of 4 Upper Control Arms 
112000 mi

US $250
Coil Pack replacements 

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2008 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

64000 mi

US $180
Battery fell off a cliff. Not just performed poorly in the colder weather -- it just stopped holding a charge. 
68000 mi

US $250
Windshield wipers wouldn't rest at base of windshield. Wiper transmission had to be reset. Vapor lock from -15F temps. Warmed up in mechanics garage solved problem and now drive it on the highway. 
97000 mi

US $250
Thermostat needed to be replaced. 
115000 mi

US $800
Replaced high pressure fuel pump. There was difficulty starting the engine in a few instances. 
128404 mi

US $350
Replaced oil separator, gasket, and breather hose. 
137420 mi

US $1000
Replaced all four fuel injectors; carbon clean of intake; replaced one ignition coil; Replaced oil filter housing due to leak AC pressure switch/sensor, evacuation, and re-charge 
138460 mi

US $800
Replaced starter 
140805 mi

US $1000
Replaced vacuum pump Replaced accessory belt 
144795 mi

US $800
Replaced faulty turbo recirculation valve 
60000 mi

US $200
Factory battery failed, was replaced at dealer 
80000 mi

US $900
Return oil hose from turbocharger was leaking badly Car was making squeaking noise while driving 
106000 mi

US $2300
upper control arms bushings were cracked/worn out and were replaced. engine mounts replaced replaced shocks/struts at all 4 corners to improve performance. 
109000 mi

US $2300
Replaced clutch, flywheel and slave cylinder 
111000 mi

US $800
Car was discharging battery. Replaced alternator, but did not solve problem entirely, as alternator light came back on.  
78000 mi

US $2300
$2200 for 4 tires, oil change, alignmt, 75k check, and fuel filter (check engine light). Still needs $2200 timing belt replacement. Light came back on immediately - fuel sensor/pump TSB? Now to dealership. 
95000 mi

US $6100
Cooling system repaired. Engine mounts fixed. 

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2008 Audi A4 4dr Sedan

turbocharged 160hp 1.8L I4 8-speed shiftable CVT FWD

54560 mi

$4000
TCS warning came up, mechanic checked and required replacement of ABS pump. Car automatically turned off when approaching a steep up-slope due to suspected gear problem. Airbag warning sensor on dashboard lighted together with Airbag Off button near ventilation. Unable to unlock and open left-back door from the outside. 

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2008 Audi A4 4dr Sedan

265-horsepower 3.2L V6 6-speed shiftable automatic AWD

88040 mi

C $440
Rear door bumper guards (both sides) containing both metal and plastic parts rusted resulting in material separation. Brake switch has numerous outputs. Problem was with brake lights (and shifter interlock) which, not being applied, prevent shifter from moving out of PARK. Cost included towing to dealership. 

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2008 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

83700 mi

C $400
Hard starting and cel on 
84400 mi

C $2300
engine severely misfiring, multiple fault codes, engine ran in limp mode. primary cause a failed, likely stretched, timing chain, one of the ones at the top of the engine, for one of the cylinder heads valve train. fixed most of misfire. secondary cause of misfire was severe carbon buildup in cylinder heads. cleaning the carbon build up fixed the last of the misfire codes, and the recommendation was to use the BG 44K every 6 months to keep it under control. 
96100 mi

C $600
Brake switch failure 
97340 mi

C $650
Replacement of leaking hydraulic motor mount 
97960 mi

C $875
Failure of oil system leading to 1/2 engine shutdown. Was not repaired. Replaced vehicle. 
45300 mi

US $235
Window rail squeaking. This car has had the window regulator replaced 3 times now for this problem. Each time the problem goes away for a week or a day, then returns. Can't get a top mechanic at dealer - they service only the high end cars 
63000 mi

US $1050
Oxygen and MAP sensors replaced. Throttle body cleaned. Air filter replaced 
80000 mi

US $925
The exhaust downpipe has rusted through after 14 years. The Midas technician welded new pieces into the existing system at an exorbitant rate. 

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2008 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed manual AWD

88000 mi

C $300
Bearing 
89900 mi

C $300
Vacuum tube 
106640 mi

C $1200
Manu oil leaks. Changed the clutch in dame time. 
127100 mi

C $3500
Timing chaîn broke....,,,, 

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2008 Audi A4 2dr Convertible

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

114000 mi

US $2700
new turbo unit (was leaking oil into turbo air intake hose),  New headlight assemblies. The clear lens was a bit clouded, and allowing intrusion of visible moisture to the interior of the headlamp assembly. I also wanted it to look newer than it did. 
120000 mi

US $500
trans axle replacement. I noted the car vibrating at acceleration - replaced both, though 1 side was the bad one (both new made more sense.  Also, replaced rubber hose connection between the windshield washer 2 reservoirs -was leaking. 
39000 mi

US $320
Flip lever in trunk that allows more trunk space when convertible top is up. The flip lever cable had to be replaced. 
46000 mi

US $1575
All the issues with this car have involved the convertible top, this time the rear window was coming loose from the sailcloth top after putting the top up. Audi dealer wanted over $5k for this repair. 
48000 mi

US $120
Oil leak Interior Console lid broke 
53360 mi

$2500
Noise heard when going over rough spots. Had to change the ends. 
55160 mi

$850
The coolant in the radiator was running low and it was identified that the water pump had a leak on it and thus the coolant was leaking out. The water pump was replaced. 
72400 mi

$300
The Cabin Air Conditioner Filter was dirty and had to be replaced. In addition the system was re-gassed. Interior Hood Upholstery was hanging and was re-done. 

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2007 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

45100 mi

US $1000
Replace belt 
56000 mi

US $500
Replace front upper control arms due to worn bushings (cheaper to replace arms than press in/out bushings. 
58000 mi

US $3364
Plastic(!) valve cover gaskets warped, leaking oil. Covers replaced with new OE at tremendous cost. Audi cursed out loud. Oil cooler leaking coolant from seals. Seals replaced. 

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2007 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

51460 mi

C $600
Rust in rear right fender 
64680 mi

C $700
Ignition coil faulty 
67580 mi

C $2000
Coolant Leak, water pump housing replaced Replaced both front headlights. (HID) 
64220 mi

C $900
Power steering hose blow out, lost steering while cornering, had to pull off immediately and be towed. 
77500 mi

C $4500
Intake Manifold Pan Valley Gasket Leak CV boots both replaced, torn. 

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2007 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

95000 mi

US $1350
Power steering pump hoses failure, both to and from hoses cracked. 
156000 mi

US $5000
Timing chain components and clutch 
49500 mi

US $140
Glove box hinge broke and passenger seat cover (backside) became debonded. 
67300 mi

US $458
Car completely lost electrical. Nothing worked. Was told serpentine belt was too worn and would not charge battery. 
69000 mi

US $1400
Lower power steering hose failed spraying all fluid over the engine causing smoking and was then not drivable. $300. for parts, $1100. for labor. Two weeks after extended warranty expired. 
72000 mi

US $2769
Oil leak. Valve cover gasket, oil cooler o-ring. 
85221 mi

US $6000
Motor mounts,  brakes all around,  windshield washer pump. 

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2007 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

62000 mi

US $1200
Airbag sensor failure. 
74600 mi

US $450
Driver's door lock not always unlocking with remote. 
78300 mi

US $327
Key fob quit working. Ordered new one a reprogrammed all keys. 
81400 mi

US $600
Replaced N80 valve. 
83300 mi

US $4535
Replaced leaking valve cover gaskets Replaced upper control arm bushings. Replaced cracked coolant reservoir. 
84000 mi

US $500
Car would not start. Supply power relays faulty. Both were replaced. 
85000 mi

US $1100
Replaced left lower guide link bushings and wishbone. 
87000 mi

US $1100
Glass rear window separating from convertible top. 
88000 mi

US $800
Car failed to start. Dealer changed coil pack. Car failed to start. Dealer changed fuel pressure sensor. 
81800 mi

US $200
Dealer "guessed" at fuel pump @ $1700. Took car back to indy. VAG COM showed camshaft sensor failure. Indy changed camshaft sensor. No problem since. 
91000 mi

US $1400
Bluetooth module failed. 

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2007 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed manual AWD

37200 mi

C $150
Slow leak in lower rad hose assembly 
39680 mi

C $100
Recharge of refrigerant. leak check...non found 
42160 mi

C $200
convertible top quit working. dealer diagnosed problem, removed, cleaned contacts and re-installed same motor. said it needed replacing kkif this fix didn't work. failed in one week so motor was replaced. a/c empty, no leaks found. Re charged still not working. dealer determined compressor and dryer needed replacement. Over $1700.00 in parts alone required. Elected not to repair it. 
43400 mi

C $773
Engine light came on. Analysis determined 3 out of the 8 coils were faulty. Changed all 8 and replaced spark plugs which were original 
57040 mi

C $900
Convertible top worked intermittently. Dealer got it to work for a month then it failed again. 
58280 mi

C $1000
Second visit for an intermittent working convertible top 
25497 mi

C $500
Faulty Top Position Sensor replaced 
50220 mi

C $1500
Water Pump housing cracked, so it and water pump and thermostat and coolant replaced. Since the front bumper had to be removed to do this, the sepentine belt was replaced at the same time (it was looking aged). 

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2007 Audi RS4 4dr Sedan

420-horsepower 4.2L V8 6-speed manual AWD

70700 mi

US $2300
Mechanical clutch failure, not able to get it into gear in the morning when cold. Clutch not engaging fully. Replaced clutch. 
85000 mi

US $1000
Bluetooth module was draining battery and had to be replaced 
95000 mi

US $3000
Suspension was leaking hydraulic fluid and needed to be replaced Carbon buildup needed to be cleaned, and fuel injectors replaced 
109700 mi

US $175
Replaced Xenon headlight lamp 
114000 mi

US $2100
Intake valve flaps and position sensors were reporting errors. The flap arms were replaced and the oil separator was replace. Intake valves were cleaned of carbon deposits. 
89280 mi

C $100
Rear O2 sensors failed. Check engine light on. 
95480 mi

C $255
Check engine light: Outside air temperature sensor replacement. Replace O2 sensor. Replace clutch pressure plate with 3R from JHMotorsports. Failed due to a shop's abuse. Replaced washer jet - driver's side. Replaced failed O2 sensor. 
102920 mi

C $2977
R/F upper control arm bushing torn and has play. Inner tie rod also has play. R/F spindle fractured where upper control arms mount. Remove and replace including wheel bearing. Remove and replace bank 1 sensor 2 oxygen sensor. Vibration/Buzz sporadically & rattle over bumps. Exhaust system hanger broken causing exhaust to rest on cross beam. Replaced hanger and space out cross beam. 
106620 mi

C $465
Air leak in oil/water separator 
109740 mi

C $960
Carbon cleaning of exhaust valves on block. 
51200 mi

US $1200
Carbon buildup in intake manifold and valves. Must be manually cleaned. Known issue audI won't cover. Engineering flaw with direct injection system. 
76000 mi

US $900
Control arms replaced. Bushing worn out 
93000 mi

US $1800
replace front cv joints/boots & clutch. also drc replaced by dealer du to tsb recall. 

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2007 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

52780 mi

C $100
Cracked LCD in rear-view mirror was replaced under warranty. dealer forgot to order replacement part even with 1-month advance notice. to be replaced at next dealer visit. had noticed blue smoke on decel after heavy throttle application. dealer found PCV valve plugged, replaced valve and valve cover, cleaned out intake / intercoolers. 
89280 mi

C $1740
diverter valve and valve cover PCV system failure. diagnose and replace both. Also replace timing belt, pulleys, water pump at Audi's cost. 
98000 mi

US $1200
Replaced exhaust valves (previous owner ran low octane fuel, detonation chipped away at them), cam chain, tensioner and timing belt. Car was running on two cylinders. That's what you get for a screaming deal at an auction. 
104000 mi

US $100
Coolant leak so i replaced the coolant flange. Oem part $60. 
70000 mi

US $1299
Exhaust system failed / rusted out after 9 years on salted Northeastern streets. Replaced with Europa Parts stainless performance exhaust system. A bit noisy, but noticeable performance improvement. 
38000 mi

US $1300
Cambox oil leak. Gasket replaced Thermostat housing leaking. Housing and thermostat replaced 
38000 mi

US $460
Right drive shaft oil seal failure 
42000 mi

US $450
PCV failed. Audi replaced pCV and fuel regulator under emission warrantee. I had to pay for cambox oil leak. Previous mechanic failed to diagnose and dismissed my telling him the underlying issue (low miles,shirt journeys, oil on filler). 
88000 mi

US $879
75000 mile maintenance. Included oil change and diagnostic of excess oil burning. 
89000 mi

US $2150
Catalytic converter clogged Engine snub mount degraded. Upgraded with polyurethane mount. Coolant flush needed due to incorrect type of coolant in system when car was purchased. Included, thermostat, seals, coolant flush. Also signs that the temp sensor and coolant flange were failing, and in there, so replaced these as well. 
91225 mi

US $2300
Valve cover was found to be leaking large amount of oil into the inter cooler. Replaced valve cover and gasket. Internal waste gate found to be leaking into the Turbo and inner oil seal was also found to be leaking. 
94000 mi

US $210
Valve cover flap had broken causing the engine to burn excessive amounts of oil. 1qt every 600 miles. 
98000 mi

US $228
Engine would cut out after high idle on start was done. Had no check engine light but when pulling codes for that there was a code for low voltage to the low volume fuel pump. Replaced fuel filter and Fuel voltage regulator that required dropping part of the fuel tank. 
100000 mi

US $1433
System flush due to millage and hesitation in down shifting 

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2007 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

51000 mi

US $210
Car continued to burn oil. This time, the dealer replaced the gasket cover. So far I haven't seen any additional oil being burned. The entire rear reverse light assembly was removed and replaced. 
60000 mi

US $540
Bad wheel bearing was replaced. 
80100 mi

US $500
Vacuum pump went bad causing an oil leak. The pump was replaced. 
84000 mi

US $1600
Replaced motor mounts. Also replaced rear brakes. 
48000 mi

US $149
Valve cover gasket replaced to address oil leak. $38 part + $105 labor 
50000 mi

US $370
Car running with rough idle. Valve cover breather valve and pipe replaced. Mechanic noted database (TSB?) described this as potential common problem. 
60672 mi

US $220
Driver rear turn signal light not working due to broken connector on tail light circuit board. New board, connectors, and wiring replaced Driver rear turn signal light not working due to broken connector on tail light circuit board. New board, connectors, and wiring replaced 
64000 mi

US $782
Stuck rear driver side calipers. Calipers, rotors, and pads replaced. 
77072 mi

US $292
Sticking caliper on passenger rear wheel. Had been previously replaced with a remanufactured part Sept 2013. 
77872 mi

US $2408
Low oil pressure warning light came on and engine was running very poorly. Oil pump was replaced. Diagnosed low oil pressure problem to be failed oil pump. 
82700 mi

US $464
MIL came on and car was misfiring badly. One ignition coil was not functioning, 2 others were cracked. Replaced all 4 coils. 
88203 mi

US $100
Replaced taillight lens on hatch, driver side. Broken by owner while parked in garage. 
98000 mi

US $237
Replaced rear light circuit board assembly Child lockout for rear seat windows is stuck in the "on" position (i.e. only the driver can open/close rear windows) 
103692 mi

US $301
Replaced valve cover gasket and crankcase valve to fix oil leak. 
119000 mi

US $200
Major paint flaked off from right front fender (~4 sq in) with light evidence of rust underneath. Note: this fender has twice been previously repaired for minor dent and repaint 
143000 mi

US $343
Replaced booster valve installed Nov 2020 at prior repair. Dealer determined aftermarket part was not compatible and check engine light was on as a result 
30000 mi

US $250
Repair for broken sway bar perch. 
85000 mi

US $1352
Traction control light and EPC light coming on intermittently, car stalling for a period of time. Replaced throttle body and wiring. 
90000 mi

US $120
Second trip for warning lights, stalling. 
95000 mi

US $815
At the dealer three times in last six months. Each time the dealer had it for at least a week. Traction control light and EPC light coming on intermittently, car stalling for a period of time. Total of $2300, not fixed. 
58200 mi

US $4000
Cam follower failed, had to replace intake camshaft and all related components. Also did timing belt. 
58000 mi

US $5000
cracked head on guide rail frame for camshafts. Also had a broken baffle inside the valve cover. 
69000 mi

US $1500
Rearview mirror fell off, needs a new windshield. Engine mount leaking. Control arm bushings squeaking. 
70000 mi

US $560
Replaced control arms on the front end. leaking engine mount on passenger side. Ordered new mounts for $200 Needed an alignment after replacing control arms. Also had the windshield replaced during the alignment to fix the rearview mirror problem. 
71000 mi

US $200
Replaced engine mount. 

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2007 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

66238 mi

US $1400
Center and side engine mounts needed to be replaced. 

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2007 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

71000 mi

US $181
Crankcase valve replaced. Second time, AUDI/VW engineers designed a poor valve. replaced with latest model..HOPE IT LASTS longer than the previous version!!! 
87000 mi

US $104
Dipstick replaced. The plastic broke below the pull ring due to heat and poor manufacturing quality control. Sensor then detecting low engine pressure, CEL went on. Cost $104 to replace. 
104000 mi

US $2000
Timing belt and engine mounts 
123000 mi

US $275
evaporator emissions 

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2007 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

51840 mi

US $2000
The oil consumption, as on many A4s, had been high. First test, performed in '09, car passed. Second test, January, 2013, car failed. Audi approved new piston rings. Work sheet indicates crank was checked and passed specs. 
61900 mi

US $1488
suspension parts replaced 
60420 mi

C $300
CV Boot torn and needs replacement. Pinch bolt was seized due to corrosion. Tried fixing it myself and at a shop but bolt couldn't be removed, needed to take to dealer. 
83480 mi

C $800
Dipped headlight error on dash. HID Ballast and bulb replaced. 
88040 mi

C $200
Diverter valve and wastegate actuator replaced. Engine not receiving enough boost.  Engine mounts also failed, but have not replaced. 
93000 mi

C $2000
Exhaust leak 
88000 mi

US $200
Current problem is something with the fuel system. Car will barely crawl. Two problems within two months, not good. Love the car when it works properly, which has been about two weeks. Dealer narrowed problem down to hpfp or regulator. 
88500 mi

US $100
Used car dealer installed high pressure fuel pump with $100 deductible. Update: they installed a used pump, failed again a month later. Limping around, trying to get Audi to honor warranty. 
89100 mi

US $1200
Car running poorly, limp mode, low fuel pressure, check engine light, EPC light. Replaced LPFP and HPFP, didn't resolve issue. Dealers just throw parts at a problem. 
89500 mi

US $115
It is still not fixed. 
107000 mi

US $5000
Fuel cuts. Ongoing. Entire time I've owned the car with no end in sight. For a premiem car this one is fucked. 
111000 mi

US $600
After 3+ years and thousands of dollars spent the culprit was the clip that goes onto the top of the hpfp. Lesson, go to Darlings Audi if you're in Maine. 
44020 mi

C $694
Thick white smoke from exhaust and loss of power when accelerating. Diagnosis found oil in the Intercoolers. Drained oil from intercoolers, replaced hose, gasket and sparkplug 
46500 mi

C $126
Thick white smoke coming out from Exhaust when accelerating. Loss of power felt. 
50220 mi

C $341
Smoke reappeared on acceleration despite replacing Turbo. Dealer suggested replacing Valve cover. 
62620 mi

C $1494
Complete timing belt job Camshaft seal leaking Valve cover gasket leaking 
117180 mi

C $1004
Diagnosis - Inner pad worn. Replace rear pads & Rotors. Dust boots on rear caliper torn. Recommend both calipers be replaced. One of the sliders had a torn boot as well. Diagnose - A/C not cold as it used to be. A/C recharge - Diagnosis found no other problems 190201 - Replace Passenger Airbag ignitor as per recall Diagnosis only - Coolant flange leaking, Thermostat faulty 
115000 mi

US $550
Replaced resonator. Exhaust leak, noise. 
129500 mi

US $1500
Replace turbocharger. 

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2007 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

264700 mi

US $400
Engine mounts replaced 
124700 mi

US $400
airflow mass sensor and vacuum (ECC?) valve 
198200 mi

US $1500
Turbo underboost. Must be replaced. Debugged for all possibilities of Intake sensor or pressure valve. Replaced upper control arms, mounts and shocks. Must replace the lower control arms too eventually. All from the front. 
224000 mi

US $500
Turbocharger leak Vacuum system in fuel 
261000 mi

US $650
Oil leak at oil filter base 
283000 mi

US $500
Alternator failure 
78500 mi

US $600
Turbo cutoff valve replaced. Will have to return to dealer for further troubleshooting. 
143000 mi

US $3500
Something with the cam 
148000 mi

US $6000
Complete engine replacement with a used engine. 2.0T totally failed during normal driving and had metal shavings in the oil. 
122300 mi

US $6008
Engine blew related to the turbo using leaking too much oil. 
181000 mi

US $1000
Replaced failing clutch. 

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2007 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed manual AWD

93800 mi

US $400
serpentine system was replaced -- belt was nearly shredded and tensioners were gone. 
140000 mi

US $1000
brakes front and rear 
44000 mi

US $155
epc light comes on after engine is warm, dealer scan shows cold misfire code. i am given 2 bottles of G17 gas additive. engine starts easier, but epc light still comes on after engine warm. 
46000 mi

US $560
epc and check engine lights on, cruise control inoperative. Replaced clutch switches and now it all works 
46000 mi

US $500
valve covers replaced 
47200 mi

US $2300
carbon build up on intake system 

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2007 Audi A4 2dr Convertible

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

34500 mi

US $512
Replaced cracked intercooler. Replaced rear main seal. Replaced cracked intercooler 
47000 mi

US $446
Thermostat stuck open, making engine run too cool. Thermostat replaced and problem solved. on most cars, this would be a minor repair, but there's 2.5 hours labor to get to the thermostat on an Audi. 
62000 mi

US $330
Convertible top sensor bad. Top would stop during opening, or refuse to close. Sensor replaced fixing problem Water pump leaking from gasket. Improper seating of gasket when timing belt changed. Water pump removed, gasket surfaces reconditioned, gasket and water pump replaced 
63000 mi

US $265
Center taillight had been failing intermittently, and was finally off more than 60% of the time. Center light replaced $175 parts, rest labor. 
69000 mi

US $430
Leaking diverter valve (torn diaphragm). Replaced with new diverter valve. 
72000 mi

US $1500
Motor mounts worn and leaking. Both mounts replaced Radiator overflow tank cracked, with slight leak Severe vibration of serpentine belt tensioner and belt. Diagnosis was that tensioner failed, and belt ruined by vibration. Tensioner and belt replaced. 
73000 mi

US $501
Vibration again noted in engine. Overrun pulley on alternator seized, pulley replaced 
77000 mi

US $289
Convertible top began having difficulties opening and closing. Got estimate from dealer for $4700 for repair, similar estimate from independent mechanic. After researching, i determined that probable cause was the electric motor that drives the hydraulics that open and close the top. I disassembled the convertible top mechanism, removed and disassembled the motor, verified carbon arcing on the commutator. Ordered and installed new Audi motor. 
30000 mi

£1000
Unable to start. Initially told failed camshaft sensor, subsequently melted ignition coil. Billed for both.  
31000 mi

£1000
Further ignition coils failed 
54300 mi

US $120
Inner CV boot tore, joint needed to be replaced, replaced driveshaft with remanufactured 
79700 mi

US $300
CVT control module had a failing gear position sensor. The shop replaced the control module under my extended warranty. 
85700 mi

US $200
Two coil packs failed, I had all four replaced 
106000 mi

US $1000
Replace control arms, due to joints starting to show wear Replace failed thermostat (was stuck open) 
111000 mi

US $700
Replaced worn out front shock mounts and mount brackets 

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2007 Audi A4 2dr Convertible

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

22000 mi

US $400
Windshield washer leak 
25000 mi

US $400
Vacuum leak PCV replaced 
68400 mi

US $200
Temperature sensor 
72000 mi

US $350
New thermostat 
77000 mi

US $450
Sensor error, replaced. 
92000 mi

US $1100
Ignition switch and relay. 
94000 mi

US $150
Battery and cable ends 
97000 mi

US $2000
motor mounts 
61000 mi

US $500
Car was bucking at highway speeds. 
77000 mi

US $2200
Bearings/bushings issues causes misalignment chopping 2 year old tires and requiring needing all new tires. 
88000 mi

US $200
Airbag light was on. Dealership redid connection in passenger seatbelt. Airbag light is back on already. 
103000 mi

US $1000
Replaced part of exhaust system. Replaced faulty rear passenger seatbelt ignitor. 
65000 mi

US $650
Carbon build up, fouled plugs and coil pack 

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2007 Audi A4 / S4

Engine not specified

31000 mi

US $3725
Had extreme difficulty shifting into 1st and rev. They told me it was a complete clutch assembly at 31k miles. The clutch is NOT burned and except for extreme wear, in excellent shape. Discussed coverage with Audi, they refused to provide any. Not happy. 

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2006.5 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

97300 mi

US $2000
Fuel pump and turbo bypass valve faulty. All but $250 covered by Geico plan. Motor mounts on both sides. All but $250 covered by Geico plan. 
100000 mi

US $1500
Car stopped accelerating on the highway. Towed to a nearest dealer for $120. Spark plugs replaced and injectors cleaned for $525. Prior to this, front brake pads and rotors replaced, second time within 1 year. 
114800 mi

US $400
Replaced the part which attaches the oil filter to the engine block. Also had maintenance done (over $300 for a check up) and 3 recalls. Check engine light was on when scheduled the servivce, but it went off by itself. The final charge was over $700. 
120000 mi

US $400
Dealer replaced the clutch switch. 
121000 mi

US $190
Well, it's the same Check Engine light issue. 2 trips to the dealer and it hasn't been fixed. Getting ready to call the dealer today for the 3rd appointment. My wallet is getting too light! Also broken glove box door hinge and armrest latch. 
139200 mi

US $330
Misfires in multiple cylinders. All coils replaced by the dealer. 
151000 mi

US $2130
Oil leaks 
153600 mi

US $700
Additional oil leaks. Gaskets replaced. Vacuum pump replaced. 
165000 mi

US $1000
Cooling system leak, two spots around the engine. 
189000 mi

US $286
Some part of fuel system held by 3 screws got unbolted. 2 bolts were recovered from the top of skid plate. One bolt had to be ordered. Mechanic suspected a previous shop in sloppy workmanship. 

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2006 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

46796 mi

US $175
front turn signal wasn't working. Had socket and bulb replaced. 
47000 mi

US $175
front turn signal was out. Bulb and socket replaced. 
77000 mi

US $2000
dying fuel pump 

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2006 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

133000 mi

US $4200
Cam adjusters failed 
94800 mi

US $440
Replaced passenger window regulator 
96000 mi

US $1800
Relined clutch Valve cover gasket replacement 
111000 mi

US $1050
Fuel pump failed. Something was making strange noises for a month or so. Determined it was the fuel pump after it failed. Car is quiet now. 
121000 mi

US $320
Changed PCV due to high oil usage (no leaks or exhaust smell??) Tires, and wheel alighnment. Alignment only slightly out since car was manufactured. 
126000 mi

US $1700
Window mechanism frozen. Coolant hose leaking Fuel pump squealing 
134000 mi

US $350
Tie rod worn causing tires to begin cupping. Had no apparent impact on drivability otherwise. 
135000 mi

US $100
Display showed coolant level low. Level OK but thermostat was stuck partially open. Replaced 
24000 mi

US $3500
Clutch replacement: Blew the clutch due to a missed shift. Clutch became solid link, with shift lever in neutral car ran fine. No other problems. Impressed by transmissions integrity. 
57800 mi

US $1700
Serpentine belt was cracked and showing wear (replaced). Front rubber suspension bushings cracked (replaced). 
79000 mi

US $200
There are drain tubes in the roof that were clogged. This was causing a leak into the cabin. These drain tubes had to be blown out, which is a service my dealership should have been proving, but wasn't. 
55000 mi

US $1800
Power steering failed. Power steering pump and steering rack replaced. 
75000 mi

US $125
This model has a history of headlight flickering and headlight outages. Sometimes headlight bulb replacement fixes it, sometimes the ballast or other electrical parts need to be replaced. In this case, replacing the bulbs fixed it for now. 

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2006 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

53000 mi

US $214
Took car in for regular 5K oil / filter change and to reset auto locking/unlocking of doors, but discovered that Upper control arm bushings are failing and will cost $1375.00 to replace 
59000 mi

US $394
Failure of Front Upper and Rear Control Arms. $ replaced Defective Serpentine Belt 
63500 mi

US $1400
CV boot tearing, needed replacement Valve cover gasket leaking x 2 Serpentine belt pulley got stuck, shredded belt partially, but could be freed / lubricated. 
76000 mi

US $100
Oil filter flange was leaking 
93000 mi

US $165
Ground strap was coming apart from starter and starter had to be replaced Serpentine belt tensioner failure 

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2006 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed manual AWD

31000 mi

US $600
Engine mount replacement 
57000 mi

US $1600
Clutch replacement and brake replacement 
58800 mi

US $250
Wheel bearing, control arms and sway bar replacement/repair 
80000 mi

US $2000
replace radio and gps system 
89000 mi

US $950
cruise control not working 
123000 mi

US $2000
coolant tank replaced, hoses replaced 
135000 mi

US $2000
engine mounts replaced 

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2006 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

49620 mi

A $947
Rocker cam cover gasket leak and air leak causing missing repaired. New coil packs replaced for free under service measure 28E9 and 23D6 campaign. 
77900 mi

A $3000
Fuel pump cam follower failed damaging the cam shaft 
128000 mi

US $230
Engine light, cooling system. 
167000 mi

US $1475
Valve cover seals, front crankshaft seal, camshaft seal, timing belt and water pump. Refill coolant, oil and filter change. 

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2006 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

127000 mi

US $1650
Power steering pully loose, took out fan belt. Power steering pump needed to be replaced as well as fan belt 
156240 mi

C $4000
Exhaust cam and position sensor 
157480 mi

C $600
Replaced DS front Wheel Bearing 
160480 mi

C $500
Replaced passenger side wheel bearing & Oil change 
168920 mi

C $389
Passenger Window Regulator 
73000 mi

US $2200
Clutch was replaced. CV boot leaking grease. 
180000 mi

US $1000
Rear timing chain broke and needed replacement. 
126000 mi

US $1200
Engine not coming to temperature, needed thermostat replaced. 
127000 mi

US $2700
Lost oil pressure in engine. Oil pump failure and chain broke. Part alone was almost $1400. $300 just to diagnose and identify extent of failure. Remainder to handle repair/replacement of new part, fluids, etc... 
40920 mi

C $213
Replace PCV valve and gasket Slow and irregular idle when cold first noticed last winter not fixed by replacing coils (as per recall) No CEL Broken window regulator (driver door). Replaced under extended warranty Camshaft carrier leaking oil. Install new gasket and sealants. ?consequence of previous warranty repair by dealer. Repaired under extended warranty 
45880 mi

C $2200
Camshaft carrier leaking oil. Install new gasket and sealants. ?consequence of previous warranty repair by dealer. Broken window regulator (driver door). Replaced. 
78120 mi

C $3400
Clutch and flywheel replacement 
64000 mi

US $3115
Low Oil Pressure in cold temperatures (<10F), ignored warning indicator. Towed. Long block replaced. I think it was caused by ice crystals forming on the oil pickup screen. Audi has a TSB, 170825 (issued 11/21/2008). They revised the oil pump intake pipe. 
88000 mi

US $120
Drivers side front wheel bearing replaced 
102000 mi

US $560
Washer fluid sensor and pump replaced by dealer. Had sensor issues due to Rain-X; also had the oil sensor re-wired due to DIS showing an issue with the sensor- dealer diagnosed wiring issue and replaced at no charge; dealer replaced headlight bolt due to user error (lost the retaining clip) 
106400 mi

US $185
Rear caliper was sticking, pins were cleaned/greased, piston retracted. Symptoms persisted, caliper replaced. 
131000 mi

US $900
Mid muffler pipe rotted. replaced with aftermarket full SS as it was roughly the same price as OEM mid muffler parts. 
135000 mi

US $400
Front passenger side wheel bearing needed to be replaced 

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2006 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

56000 mi

US $240
Replaced HID headlamp due to intermittent malfunction. Problem with ignitor, which is integral with bulb for this design.  
64000 mi

US $500
xenon headlight bulb exchange due to intermittent failure (prob. related to voltage regulating component integral with bulb). fault code (Check engine light) 
82700 mi

US $400
valve cover gasket replaced ignition coil failed, required replacement of coil. A recent recall was issued for this part but I don't live near a dealer so I had it replaced out of pocket. 
85300 mi

US $900
vacuum pump valve cover gaskets 
136000 mi

US $2000
replaced bushings for suspension members recharge fresh tires 

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2006 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed manual AWD

97340 mi

C $400
Dismantled engine to clean carbon and oil deposits on intake valves. 
98340 mi

C $200
Defective wheel bearing on the passenger side 
122760 mi

C $250
Front end developed noise over the winter. Worst noise was from driver's side front bearing. Required replacement but took a long time due to seized and corroded fasteners and components. After the drivers side was repaired, it was apparent that the passenger side front was defective as well. Once parts were obtained, that side was replaced. 
122760 mi

C $2000
Flex pipe on RHS is broken. Estimated parts cost is $1500 alone plus $500 labour. Yikes. Intake flaps on one bank are stuck closed. Need to dismantle intake assembly to check problem repair-ability, which at the least requires $100 in gaskets, even if nothing is done. Valve cover gaskets are leaking oil again. The leak is bad enough to fill the spark plug wells causing misfires. 
125860 mi

C $450
Rear brakes were making a grinding noise. Investigation revealed metal on metal. Rotors and pads were destroyed, so required replacement. Further investigation revealed a defective caliper, which required replacement. Flex hoses to calipers were at end of life so replacement required. Rusted brake lines made repair difficult. E-brake cable was disconnected and had to be reconnected inside car to e-brake handle. Full brake system bleed required to purge air from entire system. 
135160 mi

C $450
Front rotors were at wear limit. Replacement required. Front pads were worn unevenly so the decision was taken to replace them. Caliper slides were cleaned an re-lubed as part of the maintenance. 
137020 mi

C $400
Defective ballast on the HID light required replacement. To remove the head light assembly, the bumper cover must be removed.  Some body work was part of the process when rust was discovered under body panels. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 7-speed shiftable CVT FWD

74000 mi

US $100
CEL as result of P2099 Code "underboost condition". Replaced Diverter valve with updated "D" variant that uses a piston instead of a flimsy rubber diaphragm. 
86000 mi

US $1600
Replace thermostat as result of code #08577 thrown. Discovered Waterpump developed a coolant leak. Prompted to do a timing belt job early to save on the labor costs involved with job. Replace drive axle assembly due to leaking outer boot. 
88600 mi

US $120
Mis-fire on cylinder 4.Causing blinking CEL engine vibration and rough running. Replaced all 4 coil packs and new sparkplugs.Earlier set was replaced under recall.This is third set for this car. Autozone coilpacks with lifetime warranty 
100000 mi

US $1000
Random misfires after driving for about 30 minutes. All coil packs replaced under lifetime warranty. Intake removed and intake valves manually scraped and cleaned to remove carbon buildup. So far mis-fires have been resolved and have not returned even after extended driving periods. 
102000 mi

US $400
CVT bucking, slipping from standstill. Burning smell. Lower CVT oil cooler hose had blown, bleeding out atleast 5 quarts of CVT fluid on the roadway. CVT oil got on the exhaust which resulted in the burning smell. Replaced lower cvt oil cooler hose (passenger side) and 5 quarts of TOTAL cvt fluid resolved issue. Really thought I was going through my second bad TCM. 
114000 mi

US $1700
Mild overheating. Replaced timing belt & tensioners, thermostat, coolant flange, coolant temp sensor and flushed cooling system. 
138880 mi

$1700
camshafts got broken (2.5tdi) with automatic gearbox, that was weird 
71500 mi

US $1068
Needed to replace all engine mounts (left, right, and stop mounts). Oil pressure sensor needed to be replaced. Spark plug and Direct Ignition Coil needed to be replaced. 
58000 mi

US $1200
Replaced both motor mounts Replaced battery 
65000 mi

US $1585
Replace water pump, thermostat, timing belt, tensioner. The coolant system thermostat was faulty and triggered the MIL light. The low coolant light came on and the water pump was found to be leaking. 
67360 mi

C $1100
Transmission cooling line burst 
73780 mi

C $350
Skid plate 
83700 mi

C $1800
CEL was on; replaced several parts 
102600 mi

C $3400
Leaks and knocking. Replaced engine. 
108500 mi

C $350
Fuel pressure sensor 
112840 mi

C $100
Trunk latch 
52000 mi

US $800
Control arm knuckle was cracked by the indie shop that installed my coilovers. Control arm cracked. 
67000 mi

US $340
Coil pack went and Pep Boys grossly overcharged me for one coil and labour -$340. I replaced all 4 the next day off $160.  
78000 mi

US $300
Vacuum leak that affected idling. 
82000 mi

US $2000
Computer in the transmission, serpentine belt and speed contol sensor we're replaced. 
83400 mi

US $940
Motor mounts and snub mount replaced. 
87000 mi

US $280
Coolant flange was deteriorating and needed to be replaced. Coolant hose and temp sensor was also replaced. New coolant added. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

109120 mi

C $600
High Pressure Fuel Pump failure, as indicated by scanner. But this didn't fix the issue. 
109740 mi

C $500
Picked up the car after the repairs the day before. Dealer had replaced the gas pump, as the car was stalling for no reason while running. But it stalled again on the way home from the dealer. They found out that the low pressure fuel sensor was defective. It was replaced at their cost and the difference between the fuel pump and the sensor was refunded to me as per my request. 
117800 mi

C $1200
The trunk lid had a big rust spot, rust warranty is 13 years on this vehicle, Audi Canada inspected the vehicle and found flaking paint under the passenger side front fender and passenger side rear quarter panel in addition to the trunk lid.The lid and the fender was replaced, the rear quarter panel was repainted. 
117800 mi

$400
Replaced the HPFP and cam follower. Discovered worn camshaft. I replaced the intake camshaft and head gasket. 
118100 mi

$300
Then I replaced the thrust sensor and druck sensor for the P310B/ 012555 issue, but still P310B fault. No CEL or fuel cuts happened. Ordered Rear Fuel Pump, hoping this would cure the P310B fault code. 
118700 mi

$300
Replaced rear fuel pump, light out. 
120900 mi

$600
Replaced the right side Driveshaft. As there are juddering when acceleration especially from 1st to 2nd gear. Car was running rich, mechanic recommended to replace both the Lambda sensors (front and rear) as the car age is already 6 years old. 
121900 mi

$375
Replaced Front Left CV Boot as Grease leak was found at the drive shaft 
134540 mi

$180
Did my 10k service and same time replace my Fuel Flap Actuator and also the N80 (EVAP Purge Valve). 
136400 mi

$200
Had problem with Boost not passing 4psi, my regular boost was 17psi. This only happens when the car is warmed up. After 2 days of troubleshooting and testing as no fault codes, found out that the N75 wastegate actuator valve is faulty. 
136400 mi

$600
Starter failed after replacing a new battery 
138880 mi

$500
Replaced the left side front knuckle @ wheel bearing housing and also subframe bushes. 
140400 mi

$900
Replaced both Coolant Fan and Air Cond Fan and also the Control module for this. Problem was due to sudden lost of Fan power to both units. 
139200 mi

$1000
Changed my radiator as it was leaking. Replace both left and right engine mountings. Replace both left and right transmission mountings. 
62000 mi

US $9500
Check engine light came on. First told it was the fuel pump sensor. Escalated to fuel pump and went on to having to replace the engine with a used one.  Once engine was swapped, learned that transmission also failed and needed to be replaced. I hate AUDI3 year old car needing 10K worth of repairs and AUDI washed their hands clean. They claim it could happen to any car. This car has all highway miles and h 
57000 mi

US $2000
TCM replaced 
57000 mi

US $1211
Engine mount replaced, transmission fluid change / filter kit. 
109200 mi

US $4286
Replaced High Pressure Fuel Pump, Sensor & Camshaft Follower (follower is a common wear item on 06-07 MY 2.0T engines, was not inspected by previous owner, caused damaged to HPFP and Intake Camshaft). $528. Replaced Intake Camshaft with Cam Chain & Tensioner (proactive). $1270. Replaced rear timing cover housing w/controller solenoid due to oil leak and solenoid error code. $720. Replace Boost Diverter Valve, common wear item on early 2.0T engines. $250. Replace Fuel Filter. $50. 
99000 mi

US $382
Rear Output Shaft Seal 
105300 mi

US $1200
I got my maintenance done at Pure Motorsport which included my timing belt, oil change, valve cover gasket, and cam follower. It was all preventive maintenance except for my valve cover which was leaking. 
108600 mi

US $260
Battery died 
110300 mi

US $1600
I replaced front Upper Control Arms and all suspension with new Vogtland Coilovers. Also got an alignment done. Control arms were noticeably worn because of noise and visual inspection. Stock suspension was just upgraded, not sure if it was bad. 
112200 mi

US $1500
I had to replace the Low Pressure Fuel Pump with Relays, High Pressure Fuel Pump, and Fuel Filter because they all went out. 
40750 mi

US $125
Foglight light replacement. Purchased part online and dealer fix for under $75. If dealer purchased the part and fix the foglight it would cost $200.  
49000 mi

US $400
Headlight dip issue. Right  
58000 mi

US $200
Turbo recirculation valve PCV Valve 
69000 mi

US $250
Window regulator driver side front window broke. 
89000 mi

US $1000
Engine mounts replaced, both side. Right side failed. 
65000 mi

US $450
Oil leak on valve cover, vacuum leak, idling rough, check engine light on. Repaired leaks, new plugs & filters, 
65800 mi

US $500
Check engine light, emissions problem, vacuum leak 
67000 mi

US $500
Turbo bypass valve was faulty, low power, rough idle. Once repaired the car runs better than ever. 
70300 mi

US $1200
A/C wasn't developing pressure - compressor replaced. Problem solved. 
86700 mi

US $4200
Front Sway Bar Bushings replaced from wear Engine mount leaking fluid - replaced 
140800 mi

US $1373
Cam follower failed, taking other parts with it. Replaced the camshaft and cam lobe, seal rings, adjuster, follower, gaskets, and housing. $4,000 total, but split three ways with Audi and the dealer. Coils, breather valve, HPFP (damaged by cam follower failure). 
171000 mi

US $6900
Car was making slight noise. Upon inspection it was found that a bolt had been sheared off in the engine and a new engine would be needed. 
209800 mi

US $1063
Thermostat replaced.  Rear brake lines replaced, brakes flushed. 
265000 mi

US $1500
Inner and outer toe rods replaced. Pressure regulator replaced 
285000 mi

US $1600
Power steering rack replaced 
292000 mi

US $1600
Alternator failed,  steering fluid line rupture 
301000 mi

US $280
Spark plugs and new coils 
98000 mi

US $5600
The engine froze up and it had to be replaced. The new engine has a P2293 code for fuel pressure that we are also trying to work out. This car is bleeding me dry. 
110000 mi

US $500
Drivers door handle could not open from the inside. Cable was replaced.  ECU still thinks that fuel pressure is low when it isn't. 
87000 mi

US $1700
fuel sensor, serpentine belt replaced. a cam on the camshaft had to be replaced as metal part that drives mechanical fuel pump wore out and caused the cam to wear down. Cam and lifter for fuel pump had to be replaced due to wear. Fuel pump sensor was also replaced. This is a known problem with Audi 2.0 FSI engines fro 2006 
90000 mi

US $1600
Replaced timing belt, water pump, rollers, etc. 
116000 mi

US $1200
Fuel injector o ring blew. Valve cover gasket blew turbo blowback diverted valve blew 
122000 mi

US $480
replaced 1 motor mount 
122000 mi

US $400
CEL went on; had to replace intake valve 
89000 mi

US $1900
Replaced tie ends and another part that was leaking 
92000 mi

US $3000
coolant leak 
53320 mi

C $2900
Locking system replaced.  engine air intake issue resolved new rear brakelights 
67580 mi

C $1300
Alternator failed - repair required replacement alternator and battery 
89900 mi

C $700
Check engine light. Replaced engine sensor. Airbag sensor also bad, will have to return. Airbag sensor replaced. After this trip both sensors failed again. 
93000 mi

C $900
Emissions sensor out airbag sensor 
108900 mi

C $800
There was a leak of coolant - this was sealed. 
110980 mi

C $1000
Another coolant leak appeared over a week after the first was repaired - needed to be found and repaired 
119440 mi

C $2500
Oil leak in cylinder - repair required. 
141000 mi

US $400
replace exhaust flex connection 
156000 mi

US $4000
valve cleaning, emission system replace timing belt and water pump and thermostat 
162000 mi

US $500
replace right front wheel bearing 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual FWD

83000 mi

US $2033
came in for 85k service, technician discovered vacuum pump leak  4 upper link bushings need to be replaced as well. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

78500 mi

US $420
Replace malfunctioning thermostat. 
100000 mi

US $1763
Engine control module failed requiring replacement. 
85500 mi

US $1300
Replace coolant flangs 
108900 mi

US $185
Replace valve cover gasket 
111000 mi

US $192
Replace vacuum pipe 
111900 mi

US $332
Ignition coil failure, replaced coils and spark plugs. 
90000 mi

US $1580
Replace Brake Vacuum Pump and gasket Replace valve cover gasket 
90000 mi

US $450
Error with headlamp AFL reported. Failed component in ballast identified as culprit. Ballast replaced 
90200 mi

US $360
Under hot operating temperatures (hot days, extensive city driving) the clutch would not stay fully disengaged when depressed while waiting at a signal light or restarting after an errand 
123000 mi

US $1800
Worn clutch was replaced.  The oil filter housing had a small crack and was replaced as well. 
109000 mi

US $5600
Previous mechanic neglected to repair all faults in motor after camshaft/follower repair. Oil pump balance shaft was damaged and caused engine failure after "repairs" were complete. Don't go to Dave's European in Denver. New long block. 
141000 mi

US $1600
variable cam adjuster sprocket failed, also replaced the timing chain and adjuster while the back end of the engine was apart. 
110000 mi

US $1000
New CV axles were needed. Major Tune up (fuel filter, spark plugs, new fluids etc). 
104000 mi

US $1400
Problem 1 was a misfire on cylinder 4 (P0304) and a cooling system performance issue (P2181). Valve cover, spark plugs, ignition coils and coolant temperature sensor all replaced. New rear rotors and brake pads as well. Different mechanic to try to fix the misfire on cylinder 4 (P0304). Did engine diagnostics, inspected EVAP, DV, MAF sensor and intake system. Performed carbon cleaning. Replaced crankcase ventilation hose & vent, and fuel injector. Fixed 
79000 mi

US $2000
Intake camshaft replaced, cam follower replaced, hpfp replaced, timing belt replaced, water pump replaced. Noticed poor performance. Removed hpfp to inspect follower. Follower had a hole in it and hpfp shaft was pressing against the cam. 
86000 mi

US $300
Wheel bearings changed 
67000 mi

US $400
replace ignition coils broken door open signal wire 
74000 mi

US $2000
Replaced camshaft Replaced fuel pump 
76269 mi

US $842
Cam follower worn through, which damaged High Pressure Fuel Pump. Both replaced. Also had boost control valve replaced due to fault codes while car was in for repair. 
138000 mi

US $1371
MIL light and oil pressure lamp came on, idling off and lack of power. Took to shop to find another cam follower had worn through causing major damage to both cams, cylinder head and cylinder wall. 
101000 mi

US $1100
Two check valves were replaced, plus a minor oil leak in the value cover gasket. Additionally the 105K service was performed. 
147000 mi

US $3400
Finally replaced my clutch. Dealer said they last to about 85K normally, mine finally went around 148K. Considering I am the second owner, pretty impressive life for a clutch 
260000 mi

US $600
Vacuum leak in emissions control housing 
69800 mi

US $400
Leaking water pump. Replaced. 
81000 mi

US $590
Thermostat sticking - needed to be replaced 
87300 mi

US $313
Wipers not switching on. Tech traced issue to short in relay for wipers. Replaced relay. 
94200 mi

US $900
replace engine mounts to pass PA state inspection 
97000 mi

US $1261
Front passenger window wouldn't go up - replaced regulator and motor 
98350 mi

US $526
CEL - replaced all four spark plugs and coils 

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2006 Audi A4 4dr Sedan

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

47120 mi

$1000
CHANGING THE CATALYTIC CONVERTER 
58980 mi

$5000
Multotronic failed (second time) 

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2006 Audi A4 4dr Sedan

255-horsepower 3.1L V6 7-speed shiftable CVT FWD

88200 mi

US $250
Power window failure driver side. Update: passenger side failed later in the month. Both wedged in up position for now. 
106000 mi

US $150
misfire on cylinder 2 as per code reader. Replaced spake plugs and leads. appears to have solved the problem 
106000 mi

US $1400
catastrophic engine failure related to injection system. replaced 3 injectors and cleaned entire injection system. Did not fix the problem so sold vehicle. Power windows never fixed. Nothing done, not included in cost figure. 

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2006 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed manual AWD

43000 mi

US $1000
High pressure fuel pump 

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2006 Audi A4 2dr Convertible

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

61000 mi

US $1700
Rear window separated from convertible top. Leak in Oil pan. Replaced oil pan cover and seal. 
71600 mi

US $1000
Shifting handle wouldn't disengage from parking. 
76000 mi

US $600
Coolant leak, flange replaced. 
77000 mi

US $1250
Water pump replaced again, after 18 months. It was first replaced by the previous owner before selling to us. 
85000 mi

US $800
Third time cooling system needs repair in less than 20k miles. 
88200 mi

US $100
Coolant temp sensor leak. 
89000 mi

US $100
Another leak in cooling system where it connects to heating. Bypassed heating as that would have be $1,250. So no more heating ... 

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2006 Audi A4 2dr Convertible

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

61300 mi

US $800
Replace tie rod ends and a stabilizer bar. The mechanic says these cars wear them out faster than many, but this wasn't as bad as some he's seen. 
70000 mi

US $1600
Leaky valve cover gaskets. Replaced as part of larger service trip. Replaced water pump, thermostat, and coolant crossover pipe to correct temp issues. Replaced all upper and lower control arms, tie rod ends, and front struts to correct worn parts and poor steering control. Replaced worn timing and serpentine belts and related tensioners/spindles/whirly things. 

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2006 Audi A4 / S4

Engine not specified

49000 mi

US $4500
CVT transmission failed miserably during highway driving, locking front wheels and coming to a screeching halt. 
106900 mi

US $2500
Thermostat, water pump 

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2006 Audi A4 / S4 4-door

turbocharged 4-cylinder manual AWD

71000 mi

US $1740
I found a TSB that described my issue of losing power on inclines. There is a TSB 2013147/4. He did replace a sensor first, audi recommendation. Cam follower looked like A pic, cam replaced. Replaced fuel pump. Oil metal was in the filter because of issue.  

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2005.5 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

106000 mi

US $800
Bad axle 
113000 mi

US $800
Driver's side axle replacement 
115000 mi

US $6400
Timing chain failure. Replacement of chain, tensioners and adjusters. 
117000 mi

US $2900
Air pump failure ($700 part) and main wiring harness melted in various areas ($1600 part). 
120000 mi

US $1200
Engine mounts and oil gaskets 

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2005.5 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

90000 mi

US $1460
Radiator Leak Replaced driver side window regulator. Window would not move. 
38100 mi

US $1500
Control arms  Window regulator 
40000 mi

US $400
Rough ride and rough idling 
54000 mi

US $1200
Not shifting smoothly. "slamming" into gear, especially on downshift 
179800 mi

US $160
rack & pinion to cooler line busted. 
202000 mi

US $2000
replaced blown rack and pinion, done alignment AC compressor not engaging. hooked up computer and found high pressure switch fault. hooked up ac machine and found no Freon charge. added 1lb of Freon to system and found a leak at the high pressure switch. removed front bumper and replaced ac pressure switch, pulled system down and leak tested...all good. recharged the system and tested. working fine. re-installed bumper and finished job. 
52000 mi

US $1000
Replaced valve cover gaskets, valve cover caps etc etc. Now problem of flickering headlights. Great car to drive but pain in the butt to keep after warranty. Replaced fuel pump. 

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2005.5 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

126480 mi

C $1250
Fuel pump was replaced and by doing so the fuel lines cracked so they were also replaced 
76000 mi

US $831
upper control arm bushings are torn on front suspension. 
77000 mi

US $772
Driver side window stopped rolling up or down. 
80000 mi

US $1000
They are worn out. 
85000 mi

US $554
Battery went down. 
86400 mi

US $1560
Headlights dipped on almost every turn. Needed to replace the entire headlight assembly. 
87000 mi

US $120
Brake light was turned on. Brakes were being engaged automatically without being pressed. That was slowing down the car. 
105100 mi

US $1100
The alignment was off for a long time. Finally it was fixed by aftermarket MOOG upper control arms. 
108000 mi

US $2200
Power steering rack, and hoses needed to be replaced. 
59000 mi

US $200
glovebox lid latch replaced  alloy wheel center medalion replaced two wheels 60k service performed 
65000 mi

US $500
65k service, front pass window regulator trunk latch not latching when cold > 32degrees brake bulb blown need to remove trunk carpet to replace, drivers driving light intermittent, pass xenon headlight intermittent 
73600 mi

US $1100
Starter motor failed 

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2005.5 Audi A4

Engine not specified

78000 mi

US $7500
Check engine came on and 20 miles later, car died. Cam shaft seized, something to do with not getting oil, no oil pressure light came on though, pistons bent the valves, got a new cylinder head and cam shafts. turbo seized also. rebuilt. 
80000 mi

US $1200
One of the fan blades got loose causing noise against the radiator, apparently is a frequent complaint(?), Fan was replaced. 

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2005.5 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

71000 mi

US $730
Failing low pressure fuel pump and pressure sensor replaced. 
77000 mi

US $600
Emissions sensor causing car to run rich -- replaced. Side airbag sensor malfunction - replaced 
95500 mi

US $943
Worn throttle body; replaced. 
107000 mi

US $1000
Replaced engine mounts 
115000 mi

US $1900
Replaced fuel pump Replaced CV joint boots Replaced window regulator 
133000 mi

US $1900
Rear hatch latch not working, replaced. Vacuum pump replaced CV boots replaced 
105000 mi

US $1075
Went in for alignment and oil change - ended up getting alignment, 4 new tires, front headlight (small bulb) and wash 

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2005.5 Audi A4 4dr Wagon

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

55000 mi

US $895
HID control unit needed to be replaced. 
65700 mi

US $140
Brake lights would come on and stay on. Brake light switch replaced. 
66500 mi

US $600
Power window regulator failed 
66500 mi

US $350
Headlight bulb replaced 
85000 mi

US $900
Starter failed and had to be replaced 
91000 mi

US $300
Passenger front window regulator replaced and window lockout switch replaced. Replace left front control arm bushings 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

129000 mi

US $179
Diverter valve replacement Oil filter assembly housing leaking 
130400 mi

US $1600
Replaced front upper and lower control arms, both driver and passenger side 
137000 mi

US $100
Replaced PCV Leaking exhaust manifold gasket 
65000 mi

US $1000
High pressure fuel pump cam follower face was worn completely through resulting in damage to the cam lobe. Cam and follower were replaced. 
89000 mi

US $300
Xenon bulbs replaced to resolve intermittent headlight fault (left and right) 
92000 mi

US $200
Rusted exhaust pipe clamp. Very noisy. Replaced clamp and cleaned up pipes. Quiet afterward. 
80000 mi

US $3400
complete engine failure due to sludge build up 
71000 mi

US $497
Right Front Wheel Bearing was bad. Very loud noise while driving that got worse over the past several hundred miles. 
85000 mi

US $150
Check engine light came on, car idled high. Replaced broken PCV valve 
95000 mi

US $100
Had to replace worn high pressure fuel pump intake cam follower after finding metal shavings during oil change 
109000 mi

US $308
Check Engine light on. Intake Manifold Control Motor (adjuster) had failed. Obtained part from dealer and replaced it myself. There is a warranty on this part for some VINs but not mine. 
110000 mi

US $1250
Timing belt replacement, including water pump and tensioner. Replaced thermostat; was stuck open. Replaced accessory belt pulleys due to excessive wear and noise. 
156700 mi

US $2100
Replace both front upper and lower control arms. Broken downpipe and hole in y pipe Both front power window regulators broken 
161000 mi

US $596
Drivers side wheel bearing very noisy. Bearing was seized to hub. Replaced both bearing and wheel huv. 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

96000 mi

US $1600
Thermostat beginning to malfunction. I replaced it before warm weather/heavy driving, $828. Right passenger door lock actuator had to be replaced, $688. 
126000 mi

US $1000
New fuel pump, replaced sensors 
132200 mi

US $900
Oil leaks 
69000 mi

US $600
Bottom Windshield Wiper resevoir cracked. All fluid leaks out now! 
87000 mi

US $4782
Fuel valve eaten by engine; required new top end, fuel pump, filter. 
52000 mi

US $2000
Dual-mass flywheel failure. Symptoms were consistent with a slipping clutch. 

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2005.5 Audi A4 4dr Sedan

69440 mi

A $2000
PCV system replace 
92900 mi

£1300
Esp sensor needed replacing 
161700 mi

US $11500
Camshaft wear on cam follower fuel pump caused metal to circulate through engine and turbo requiring replacement of both with new long block, turbo and clutch was worn and replaced 
170000 mi

US $530
Replaced starter 
173000 mi

US $900
Clutch from AC compressor separated from compressor. Replaced AC compressor with recycled Grade A part, new receiver drier and orifice tube. Flushed system and recharged adding proper amount of oil. 
178000 mi

US $800
Aftermarket oil filter housing warped 14 months after installation of a rebuilt engine causing a significant oil leak between the block and housing. Shop didn't offer any discount for a failure so soon out of warranty (they replaced the motor). Shop forgot to bleed air from cooling system. Low coolant light came on during the trip home. Not going back to that shop. 
178000 mi

US $175
replaced front rotors and pads 

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2005.5 Audi A4 2dr Convertible

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

80000 mi

US $1600
replaced turbo 

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2005.5 Audi A4 / S4 / RS4

Engine not specified

69000 mi

US $200
Secondary radiator coolant leak. Radiator was replaced. Headlight wiring harness cracking and deteoriation, to the point of needing replacement. Replaced headlight assemblies, bulbs, ballasts on both sides. 
69000 mi

US $1800
Compressor failed. Replaced compressor, dryer, serpentine belt, condensor. Waterpump also was defective, was replaced. 

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2005.5 Audi A4 / S4 / RS4 4-door

turbocharged 4-cylinder CVT 2WD

50220 mi

$17000
The air con stopped working, ECON light always on and warm air comes out. The coolant fan was replaced. A leak in coolant pipe was found and replaced. Oil around engine and turned out the valve cover gasket has gone bad, replaced it and its been fine since. 
50220 mi

$4000
The vacuum pump was leaking oil, noticed by oil on transmission and on the wiring harness beneath the vacuum pump. Bought the parts online and replaced it according to DIY found on audizine forum. 

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2005 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

99200 mi

€450
part of wiring loom to ecu needed replaced water damage 
110980 mi

€5000
cam timing out, replace a whole bunch of parts, engine removal required to complete 
88000 mi

US $100
the driver window regulator (window stopped rolling up) 
108900 mi

US $300
Replace valve cover gaskets (leaking bad), replace serpentine belt and related components as preventative maintenance. Replace starter (intermittent failing). 
111000 mi

US $1200
Replace all 4 front upper control arms. Also required the bearing carrier on the driver side to be replaced due to a heavily corroded pinch bolt. replace all 4 front upper control arms 
65000 mi

US $1600
Front passenger head light would fail after 1 to 2 hours. This is a failure mode of a bad Xenon headlight. 
70000 mi

US $1100
Replaced Full set of control arms. Boots in bad shape, the Repair shop said. 
74000 mi

US $400
Front passenger wheel bearing wore out Drivers side sun visor became lose. 
92000 mi

US $1100
Valve cover gaskets need replacing Hatch latch does not open when sun is shining on the hatch. replace servo, didn't fix second replacement replaces another switch 
100200 mi

US $1000
Oil gasket in V of engine was leaking. Need to take off throttle body replace oil gasket 
101000 mi

US $220
Every year I need to get my AC recharged. The shop has looked for the leak for the last 4 years and has never found, so I will go in to the shop in late spring and get a recharge. 
106300 mi

US $1400
Both lower front radiators developed leaks and needed to be replaced. 
89000 mi

US $1000
Fuel Pump 
93000 mi

US $2125
Timing Components/Adjuster Valve stem seals. Clutch/PP replaced Valve Stem Seals Timing Components 
93000 mi

US $3500
When replacing valve stem seals, we noted that my exhaust valve couldn't hold pressure. Led us to do a compression and additional leak down test. Then confirmed bent exhaust valves, had to rebuild my cylinder heads. Cylinder Heads 
96000 mi

US $150
Crank Position Sensor? 
73160 mi

C $240
Blown power steering return line. 
80600 mi

C $2875
Clutch, flywheel, clutch release bearing replaced. Replaced with B7 parts, as they are considered an upgrade on a (B6) S4 with higher clamping load and a slightly lighter flywheel. 
83080 mi

C $100
Power steering pump whining due to Wrong type of fluid used during line repair last fall. Flushed power steering system with proper fluid and filled with correctly specified fluid. 
83080 mi

C $600
Replaced left and right front upper control arms. Rubber bushings were worn out. 
68000 mi

US $200
A/C was still not working properly. Took to dealer as previous mechanic at non-Audi shop felt there was something wrong with the system (and not just low on R134a). Dealer could find no issues other than low R134a level. 
81000 mi

US $250
Airbag light on, replaced one of the passenger side airbags. 
84000 mi

US $3700
Flywheel defective, made engine vibrate. Dealer replaced flywheel, clutch, bearing and slave cylinder. 
94200 mi

US $400
Power steering hose burst, hose was replaced. 

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2005 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

75000 mi

US $1000
Control arms 
44500 mi

US $220
Replaced a Coil Pack 
45300 mi

US $1000
Air Bag Light on-Replaced Air Bag Sensor, Leaking Sealant/Coolant Gasket, Replaced Tailight bulb, Performed 45,000 maintenance sErvice with brake flush. 
51000 mi

US $550
Replaced wiper linkage mechanism after wipers froze. 
57000 mi

US $300
Passenger front window regulator not working 

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2005 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

39300 mi

US $100
Window regulator was broken. Covered under Audi Pure Protection Gold Warranty 
46000 mi

US $400
Glove box door was broken and had to be replaced. 
47100 mi

US $500
Mass Flow Sensor had to be replaced 
57000 mi

US $800
Power steering cooling return line broke. 
59200 mi

US $1000
Replaced upper control arms - all 4 Crank position sensor replaced 
56420 mi

C $2000
excessive oil use, engine replaced. 
60140 mi

C $1000
AC failed, requires new compressor $1400 item, plus costs of a dryer. http://audiwarranty.blogspot.com CEL codes P2097 Description: Post catalyst fuel trim system too rich P2098 Description: Post catalyst fuel trim system too lean audiwarranty.blogspot.com Car brought to a private repair shop for service, replaced a part of the AC unit, but problem persists, car needs a new AC compressor 
66800 mi

C $900
Car would not brake, shop had bled brakes but not topped up master and as a result brakes did not work well. Did job myself, took a couple hours to bleed all 4 corners. Starter failure, car would not start for a long time when cold, replaced clutch switch, checked battery, then replaced starter problem solved. 
65300 mi

C $800
HVAC pressure switch failure and system leak 
66640 mi

C $400
Failed crankcase regulator valve, caused oil leak from valve cover gaskets. Replace regulator will wait and see if valve cover gaskets need to be replaced. 
110000 mi

US $1800
AC clutch seized. Replaced bent control arms and various bushings. When sold the driver door handle would sometimes not work from the outside. 
98000 mi

US $1428
Slow loss of engine coolant, but no drips or puddling. Turned out to be passenger side auxiliary radiator was coming apart at the seems, so had it replaced. Check engine light coming on, then going off a few days later. Trouble codes were for misfire in cylinders 1 & 2. Ignition and Fuel systems both checked out fine, but exhaust check showed passenger side catalytic converter was very clogged. car in to dealer for 95K mile service check. They found worn out upper control arm bushings on passenger side. Estimate for replacing was $1383. They said would not pass VA state inspection, so recommended to replace. car into dealer for 95K mile service. They found DTC's for failing radiator fan control module. However the car has not been running hot or giving any indication of issues with cooling fan. Dealer estimate of $703 to replace. 
98000 mi

US $275
power steering hose ruptured between cooler and steering rack. Obtained replacement hose myself and performed the work at a friends garage. Upper control arm bushings badly deteriorated. Flagged as an issue on annual safety inspection. Replaced all 4 upper control arms (both sides) for $300. Work done by owner at a friends garage. 
98000 mi

US $2200
passenger side down pipe / catalytic converter severely clogged, causing DTC's and bad engine misfiring. Replaced entire exhaust system with stainless after market system for price of just the 1 factory down pipe. reverse lights not working, replaced reverse light switch at the 6MT transmission. 
105000 mi

US $140
Front Driver side window regulator went out. I was able to get a replacement part online and performed the repair myself. 
114000 mi

US $180
Badly worn lower control arm bushings, driver side. Replaced both lower control arms, drivers side. 
114300 mi

US $1800
total clutch / pressure plate failure, which required replacement of both as well as flywheel. Driver's side 1/2 shaft / drive axle had worn CV joints and torn CV boot. Replaced entire 1/2 shaft. 
131000 mi

US $575
CV boots on passenger side split wide open, slinging great all over the place... Axle as a whole was fine, but the cost of replacing just the boots compared to a new shaft was not much different, so opted for the new shaft assy. 
81000 mi

US $19000
Engine and clutch replacement. Engine had a crack in cylinder wall 1. Clutch replaced while engine was replaced as preventitive. No previous clutch failure. 

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2005 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

89500 mi

US $1900
power steering failed, lots of noise, hard to steer. Towed to shop. Told the steering rack was leaking. Worst case scenario. 
99000 mi

US $180
windshield wiper drive mechanism broken, replaced shaft 
113000 mi

US $350
Serpentine belt failed due to oil leak on engine cam covers. Doing that fix leter. 
26000 mi

US $300
Engine has whine/whirl sound. Dealer acknowledged but cannot fix. Does not downshift on incline in drive; RPM's will drop below 1,000. Have to manually downshift or engine lugs. Sport mode car will not up-shift until RPM's exceed 4K. 
41000 mi

US $550
Replaced valve cover gaskets 
51000 mi

US $2400
Upper Control Arm busings Right and left rear CO2 sensors 
55000 mi

US $100
replaced ECM relay 
51000 mi

US $1200
conv. top storage compartment. broken piece of plastic . had to order compleete trunk kit $560.00 ... oil leak 
62000 mi

US $500
Re glue rear window 
64000 mi

US $260
Replace 2 radiators. Main land left Motor mount 
70000 mi

US $300
various hoses were leaking oil 
90000 mi

US $500
Replace valve seals Fuel valve at gas tank failure 
102300 mi

US $1521
Power steering hose broke and was replaced Driver side axle shaft failure 
104000 mi

US $275
Replace hood strut Convertible top not operational. Diagnosed as locking system. did not repair. 
104000 mi

US $300
Battery replace along with oil change. Other items needed fixed but the dealer was asking for my first born and she wasn't willing so I found a great independent shop. 
104300 mi

US $5000
Had a coil over system installed along with new sway bars and control arms. Car needed an update and control arm bushings needed replacement. Locking mechanism of convertible top failed and had to be replaced 
104000 mi

US $1750
Hood and trunk lid paint oxidized and needed repainted. Additional touch ups done and some custom work. 
106000 mi

US $3900
Fan replaced Motor mounts Serpentine belt replaced 
106000 mi

US $400
Car wouldn't start. After a while it would start and run for a while, then it would just shut down. Some type of small electrical part that malfunctioned. 
106000 mi

US $1000
possible catalytic converter failure, has to go back in to further diagnose 
107000 mi

US $2900
Catalytic converters were replaced. I went with CARB approved Magnaflow after market products Control arms and rubber bushings were replaced. 
108000 mi

US $3000
Replaced valve covers Needed 3 liters of fluid. Can't find any leaks. First time we have put fluid in. Still don't see leaks after a couple of weeks. New OEM clamps and hoses put in along with a coolant temperature sensor because everything apart already. Unbeknownst to me, a previous mechanic had replaced the OEM clamps and hoses with non-OEM items. My current mechanic noticed some wear and suggested replacement, especially with OEM. 
111000 mi

US $600
New radiator Seals connected to the engine. Still needs repaired. 
111000 mi

US $500
Computer not communicating with engine and information is not available Seal from the transmission to the engine is leaking 

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2005 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed manual AWD

61000 mi

US $2700
Replaced entire convertible top because original rear window fell out and cannot be glued back in place. Also happened to our previous Audi TT. Bought aftermarket top with stitched in window, not an Audi part! 
69000 mi

US $6000
Corrected the known design flaw in the hydraulic cam chain tensioner and chain guides. Absent corrective action, complete engine failure ($12k) could otherwise result anytime between 55k and 130k miles. Also had a new clutch installed while the engine was out of the car. 
71110 mi

US $748
The ignition coil went bad on cylinder #8. Would have cost $278 to do just that one or, $748 to do all eight. I figured this first one was a domino and that the others would follow so we opted to be preemptive and do them all. 
55180 mi

C $1100
Head gaskets in both banks of cylinders were replaced to correct oil leakage. 
63300 mi

US $700
alternator belt & tensioner alternator belt & tensioner 
95100 mi

US $390
Low oil pressure warning light came on due to faulty switch. 
102000 mi

US $5200
A/C compressor, HVAC hoses,  valve cover gaskets, thermostat, radiator hoses, misc gaskets, drive belt 

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2005 Audi A4 4dr Wagon

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

64000 mi

US $100
electronic stability control fault light--repaired by replacing brake line. 
70000 mi

US $2000
Replaced defective seals and vacuum hoses 
93000 mi

US $800
Temp sensor and cracked cooling control housing had resulted in lost coolant Significant ongoing oil loss. compression test passed. Crankcase ventilation/pressure system failure suspected. 

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2005 Audi A4 4dr Sedan

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

70000 mi

US $2000
Car had issues with the MAF and O2 sensor 
80000 mi

US $1400
Transmission Control Module failed, caused a check engine light. Covered under california emissions until 70,000 miles I am at 78,000. 
65500 mi

US $2095
Thermostat, both electrical fans and control unit replaced. 
68000 mi

US $2640
CVT was beginning to fail. Replacing CVT transmission. 
75000 mi

US $1935
Windshield wiper pump replaced. Coolant flange replaced. Valve gasket replaced. 
98000 mi

US $1100
Both cooling fans failed AGAIN. Replaced.  Windshield washer pump failed. Replaced. Button on window master control unit. Replaced unit. Recharged AC. 
103000 mi

US $360
Coolant flange replaced for second time. 

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2005 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 6-speed manual AWD

93500 mi

US $5000
Turbo blew 
84940 mi

C $2200
throttle body, intake gasket, and exhaust gas hoses replaced. 

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2005 Audi A4 4dr Sedan

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

129700 mi

US $453
Coolant flange at rear of engine needed to be replaced due to cracking. 
134200 mi

US $1000
timing belt, coolant leak: flange at the back of the engine was replaced. 
63000 mi

US $330
Drivers side window regulator failure and needed to be replaced. 
65000 mi

US $300
Ignition coils and spark plugs replaced due to multiple check engine instances flagging cylinder misfires. (in the end valve cover seal) 
71500 mi

US $300
Glove compartment door hinges break and have to replace whole door. 
74000 mi

US $900
Seal on front axle, left side, bad and had to be replaced. 90% of total was labor costs. 
76000 mi

US $330
Passenger side window regulator failure and needed to be replaced. 
76500 mi

US $150
Gears in sunroof switch broken and needed to be replaced. 
82000 mi

US $900
Seal on front axle, right side, bad and had to be replaced. Again, 90% of total was labor costs. 
84000 mi

US $100
New spark plugs due to continued misfiring. (in the end valve cover seal) 
88000 mi

US $700
Valve cover seal replaced because it was leaking to spark plugs causing previous failures. 
117000 mi

US $400
Driver and Passenger Window regulators for the second time each. 
121000 mi

US $500
Cooling fan and ac condenser fan replaced 
126000 mi

US $2150
Thermostat and housing, $350 All vacuum lines under the intake manifold, $600 Crank Shaft Tensioner seal, $1200 
46000 mi

US $400
A Coil Pack shorted and caused the check engine light to come on. Since the incremental cost was marginal I had all four coil packs replaced. 
58000 mi

US $1200
Replaced Radiator due to pin hole leak.  
37200 mi

C $59500
Engine check light was on, turbo system was faulty, part was not in inventory, so part had to be ordered. turbo was replaced in 5 days. 
78000 mi

US $3380
Water pump froze up, causing timing belt to skip, which, in turn, resulted in damage to 2 valves. 
61000 mi

US $20000
front tires had outside wear, steering loose . 4 upper control arms needed to be replaced on front left and right wheels. 
117000 mi

US $200
AC compressor bearing was making a lot of noise. Had to replace AC compressor and new belt Accessory belt pully Tie rod end and inner. Both loose Throttle body electrical connector kept getting water in it some how. This was shorting out. Car would not have any power and stall if floored. Had to cut off old connector and splice in a new one. 
118400 mi

US $110
Driver side front axle boot ripped leaking grease. Replaced axle with aftermarket. Exhaust leak at flex joint Front passenger side lower rear control arm 
151000 mi

US $300
replaced battery a month prior and new battery was not charging properly. Thought could be alternator. 
161000 mi

US $2000
a/c compressor failed. replaced entire a/c compressor and serpentine belt 
180000 mi

US $125
drive sensor replacement 
183000 mi

US $1200
engine mounts replaced exhaust repair 
183000 mi

US $900
timing belt, water pump and hoses 
145000 mi

US $3400
Cracked cylinder head 
158000 mi

US $1900
Turbo went bad after wastegate stayed open, I hear this is a common problem for the 1.8t 
159000 mi

US $449
Update: took my car to another shop and they found it was a clogged PCV valve and my breather hose was the problem not the turbo saved 1500 on the repair that the dealer quoted me for 
160000 mi

US $750
Got me Cat replaced after CEL came back on still not sure if the problem is solved MPG has not gone back up, but only 1 day of city driving 

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2005 Audi A4 4dr Sedan

220-horsepower 3.0L V6 6-speed manual AWD

40920 mi

C $100
Scheduled maintenance visit; Reported noisy front end; diagnosed cause - leaking seal on steering rack; problem resolution - replace steering rack under CPO warranty 
50840 mi

C $100
Water Pump replacement and 100000 KM maintenance Rear diff seals leaking Valve covers seeping oil Power steering return hose weeping; power steering fluid low; replaced hose 
74280 mi

C $3000
Control arm replacement Valve cover gaskets replaced 
79360 mi

C $836
Front subframe welding repair for clunking noise CEL - misfire on cylinders 2,3,6; replaced colipacks 
79980 mi

C $850
Clunking over bumps; replaced front swaybar bussings and front struts 
90520 mi

C $300
G62 Coolant Temperature Sensor replaced. MIL indicated low signal for sensor. 
94240 mi

C $600
Readdress power steering noise from pervious repair trip Engine misfiring - MIL ON; 4 coilpacks diagnosed as faulty. replaced all 6 coilpacks on engine 
96680 mi

C $200
Nylon coolant tank hose connectoin broke off. 
102160 mi

C $1250
Wishbone failure 
107880 mi

C $500
Replaced front brake pads and rotors 
112220 mi

C $839
Front Passenger Window Regulator replaced 
115940 mi

C $387
Battery 5yrs old 

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2005 Audi A4 4dr Sedan

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

67300 mi

US $650
Front suspension bushings worn out and replaced. Car was also aligned as part of this repair. 
73700 mi

US $400
Power steering slowly leaks fluid into the steering rack. Excess fluid drained form bellows sealing the rack and fluid topped up again. R/H glovebox hinge failed. No real reason and not worth the cost of repairing. Living with the problem 
86000 mi

US $2150
Oil leaks from camshaft covers and sump. Gaskets replaced. Leaking coolant line, the subject of a TSB is leaking. Repair requires expensive intake manifold removal to get at source of leak so I've decided to live with the problem. We've had unusually heavy rain here since December and the Xenon headlights fog up very heavily when it rains. It's always been a problem but the dealer tells me it's normal even though the light output is badly reduced. Audi won't fix 
88000 mi

US $850
Fuel pump failed while car was on freeway. 
116000 mi

US $400
Front struts should be replaced. Quoted cost is $800 - $1050. Car has developed a bad oil leak from a crack in the upper sump. No known cause. Since the proper repair is an engine out job I'm investigating alternatives. JB Weld didn't work. 

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2005 Audi A4 2dr Convertible

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

53000 mi

US $250
The part came in, the dealer repaired it, the extended warranty paid 100%, less the $250 deductable. 
66000 mi

US $450
Leaking valve cover gasket, fouled the spark plugs. Replaced valve cover gasket and engine breather hoses to oil separater which had crumbled apart during the gasket repair.  
83100 mi

US $400
Check engine light came on, essentially needed a tune-up, new plugs, etc. and a lecture on using premium gas, NOT regular unleaded. 
85000 mi

US $345
The dreaded intermittent electrical problem. With no rhyme nor reason the dash display goes dark, the A/C ceases to work and the radio turns off. Radio can be turned on again, but not the A/C. Shop replaced ignition switch, problem not fixed 
89000 mi

US $2554
Continuation of intermittent electrical problem plaguing car since March. Ran fault codes, found ect sensor @ 48c degrees, replaced, Installed new sensor in water neck flange at radiator, problem in instrument cluster, no repair attempted. AC head control unit had internal short circuit, shorting out the comfort system. Instrument cluster was having catastrophic communication problems. Faulty AC control head unit and instrument cluster were replaced and re-coded. 
21700 mi

C $750
wheel bearings 
39060 mi

C $900
defective fuel pump 
39680 mi

C $3000
replaced transmission control module. The code for this appeared while it was already in the shop to have the crankshaft sensor replaced and actually made its presence known after the crank sensor had been done and was being test driven. 
48000 mi

US $5600
Car overheated. Long block replaced by dealer at owner expense at 49,000 miles (post warranty). Transmission was slipping and displaying a major error indication on the cluster. Quote was $2,700 for repair of sensor and linkage belt. This is the worst car I have ever owned. 

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2005 Audi A4 2dr Convertible

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

67000 mi

US $2700
Water pump leak, replaced. At same time did timing belt (due at 65k anyway). Upper front and rear control arms bushings worn. Replaced. 
73000 mi

US $600
Remove and replace control module for convertible top. 
73000 mi

US $150
Remove and replace coolant tank due to leak. 
77000 mi

US $387
CEL illuminated and flashing. R&R spark plugs and 6 ignition coils. 
85000 mi

US $2250
Y-pipe behind engine cylinder block cracked and leaking coolant. Replaced. 
88000 mi

US $3700
Cylinder 5 coolant weeping, engine rumbled on start to clear coolant. Cylinder head 456 warped (probably from factory) and heating and cooling exacerbated over time, making leak worse. Replaced head. 
96000 mi

US $4000
Ecu was sending erratic signals to fan control unit, which burned out and caused car to over heat, also ruined secondary ac fan. Upper control arm bushings replaced. Ac compressor replaced 
130000 mi

US $2750
Transmission Control Module, filter, fluid, and seals. 
151000 mi

US $3600
Coolant sensor in rear of engine leaking. Power steering lines leaking for years. Finally replaced. 

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2005 Audi A4 / S4

Engine not specified

68000 mi

US $1000
Crossover pipe behind engine losing coolant. Parts were degraded to the point that they were leaking about a pint of fluid a week. Leak was the worst as the engine cooled. 
78000 mi

US $3700
dual flywheel mass failure. 
78000 mi

US $500
window motor failed. 

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2004.5 Audi A4 4dr Sedan

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

54000 mi

US $150
Replaced original battery! 
57000 mi

US $1550
Transmission output speed sensor bad. Replaced Transmission Control Unit. Dealer covered all but $200 since it was just a month out of the 10 year extended warranty. Replaced timing belt. It was 10 years old and cracked from the Arizona heat. 
67000 mi

US $600
Car was intermittently overheating. Replaced thermostat assembly. 

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2004.5 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual FWD

111200 mi

US $1200
Had to replace the steering rack due to loose steering symptoms. A clunk was heard when quickly turning the steering wheel counter clockwise meaning 1 side of the rack was damaged. 
83800 mi

US $100
Coolant flange is leaking. Observed when coolant levels dipped low after refilling. Common problem and may even be a wear item due to seal failing. 
117000 mi

US $118
vacuum system was malfunctioning causing high vacuum leading to low oil pressure at low RPM 
135500 mi

US $600
Water pump was leaking so I replaced pump, tensioner, and timing belt. Replace A/C compressor, drier, and restrictor due to seized A/C compressor. 
152000 mi

US $300
Broken outer CV joint 

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2004 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

35000 mi

US $500
Headlight adjustment, interior mirror replaced warranty $500 
44000 mi

US $180
AC need recharge, not under warranty 
57000 mi

US $2000
AC works intermitently, Repairs $2000, Audi would pay $1000 of the repair in assistance but delaying repair. 
73500 mi

US $100
Replaced front left turn signal bulb and socket, replaced key fob batteries, reprogrammed keys. To change bulb have to remove and then reinstall and re-aim entire headlamp assembly. Replaced front left turn signal bulb and socket, replaced key fob batteries, reprogrammed kets 
92000 mi

US $1000
Fuel pump failed. Fuel filter also replaced. 

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2004 Audi S4 4dr Wagon

340-horsepower 4.2L V8 6-speed manual AWD

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. 
158100 mi

C $1800
Intermittent starting. Replaced MAF, fuel filter and then fuel pump. 
144000 mi

US $18715
Radiator and major hoses Replace front and rear subframe due to corrosion and failing bushings Alternator retrofit to adapt later model (2004 mid year change) unit. Replace in-tank fuel pump Replace shocks Reseal valve covers, oil pan to address oil leaks Replace Master Window Switch Replace wheel bearings and carriers, control arms 
146000 mi

US $1470
Trans & Diff Fluid Service, Driveshaft Replacement, Transmission Outshaft Replacement 
147500 mi

US $307
Output shaft seal replacement, install owner-provided replacement driveshaft replace exhaust clamps tighten front suspension links replace motor mounts replace interior trunk dome light assemble, troubleshoot intermittent connection 
21700 mi

C $800
Airbag light on. Passenger side seat airbag module replaces. Sensor connector had been previously replaced. 
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. 
27900 mi

C $2000
Brought car in for alignment due to steering wheel off-center; found upper control arm bushings cracked on drivers side; replaced both side as well as seized tie-rod 
41540 mi

C $900
Random clunking at front under light acceleration; replaced sway bar bushing and end-links. Problem not resolved; now looking at corroded front subframe replacement. 
42240 mi

C $3000
Replaced corroded front subframe and lower control arms due to worn bushings. 
45880 mi

C $400
Rear latch mechanism failed; unable to close hatch. Replaced latch. 
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. 
65720 mi

C $400
Battery replaced after car failed to start; reset modules as required. 
85040 mi

C $1200
Leak between steering pump and steering rack. 

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2004 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

49600 mi

C $1500
leaking aux rads 
93000 mi

US $400
Front passenger wheel bearing. 
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.  
65000 mi

US $700
Intake gaskets. 
77200 mi

US $5600
Rear main seal needed replacement. 
39000 mi

US $1200
Driver side auxiliary radiator and associated hose(s). 

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2004 Audi S4 4dr Sedan

340-horsepower 4.2L V8 6-speed manual AWD

70000 mi

US $400
Sticky caliper and a worn bearing drivers side 
74000 mi

US $600
Lower control arms and bushings, normal for this mileage. Added H&R lowering sport springs and Hankook RS-3's while at the shop. 
88500 mi

US $200
Sunroof control unit 
91000 mi

US $1800
Delphi alternator in these cars a known weakness. Replaced with an upgraded Hitachi unit that required a couple of updates to the existing water cooling for the alternator. 
94500 mi

US $700
Starter motor replacement 
102300 mi

US $1200
Power steering pump failed 
39654 mi

US $290
changed both driver and passenger window regulators. 
43000 mi

US $2300
changed both driver and passenger window regulators. 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. 
54000 mi

US $3500
Began hearing a ticking noise from engine compartment. Took to several locations and found that a/c compressor had failed. It was winter so no noticeable difference was noticed. Had compressor replaced with OEM parts and systems refilled. 
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 
70000 mi

US $650
Self-diagnosed. Starter motor failed. Replaced with OEM. Messy 5 hour job so ordered part and gave it to a good local shop. Noticed a few non-critical engine oil leaks and a weeping coolant hose (clamp replaced). 
84000 mi

US $3000
Failed alternator. Shredded the belt. Required replacement including tensioner. Since alternator model was only used for one year, it is no longer available so modification kit required to adapt for newer model. 
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 $1000
High Pressure switch failed Failure of wheel bearing and control arm 
115000 mi

US $700
Leaking transmission seal dripping on exhaust 
37000 mi

US $200
AC compressor failure 
40000 mi

US $400
valve cover gasket leak 
56300 mi

US $150
power steering pump 
58300 mi

US $250
tie rod bushings worn - replaced fuel leak at tank coupling 
62000 mi

US $400
o ring in system failed battery cable corroded 
67500 mi

US $540
Pass front window inoperable - replaced window regulator 
77000 mi

US $120
Replaced right rear window regulator 
77600 mi

US $150
replace drivers front window regulator 
88000 mi

US $600
pads and rotors,front and rear 
89000 mi

US $1500
Radiator leak - replaced main radiator 
91000 mi

US $1500
O2 sensor and harness replaced 
99300 mi

US $750
Fuel gauge gives incorrect reading. Replaced fuel floaters in gas tank. Fuel reading is still incorrect, in fact, it's worse. Still attempting to repair. Rubber boot torn on front axle. Rebuild axle and reinstall.  
114000 mi

US $3200
Radiator had slow leak. It was replaced. 
118000 mi

US $450
Power steering hose ruptured. Replaced part. 
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. 
132000 mi

US $300
Front axle on the passenger side had cracked rubber boot. Replaced with rebuilt part. 
132900 mi

US $1200
Replaced worn bushings in front control arms and replaced upper control arm to repair worn tie-rod 
70000 mi

US $220
Original OEM starter began to fail in the fall season with colder temperatures in the winter the issue was increasingly frequent. Ordered part online and installed in garage. 
88900 mi

US $250
Low Pressure Power Steering return line that runs next to the exhaust manifold failed. Cracked after years of heat cycles. 
96000 mi

US $2500
Alternator replacement 
160000 mi

US $1500
Replaced Ac Evaporator and heater core 
115000 mi

US $3500
Replaced radiator + hoses, transmission cooler due to leaks. Replaced alternator. 
122000 mi

US $1000
Replaced motor mounts due to leaks and lack of engine rigidity. Replaced driver window regulator due to excessive noise and inconsistent window operation. 
135000 mi

US $700
Replaced clutch slave cylinder due to no pressure in the clutch pedal. Bled system. 
83000 mi

US $420
Front passenger window regulator replacement 
92000 mi

US $700
Leaking radiator replaced. 
97000 mi

US $1500
Front ball joints all worn, replaced all stab links and tie rod ends. Oxygen sensor failure. 
58000 mi

US $500
Valve cover gaskets. Coolant expansion tank. 
63000 mi

US $1300
water pump/thermostat replaced Replaced engine mount and snub mount. CV boot replaced. 
142000 mi

US $1200
Driver's side front window regulator needed replacement. Control Arm bushings worn. Replaced entire front suspension (upper and lower control arms) with Mayle kit. 
146300 mi

US $138
Obviously a bad fuel guage sender, but Anchor Audi (never go there again) wasted time and only ran a VAG on the dashboard gauges. Even I know that the back seat needed to be removed and an ohmmeter run across the sender contacts. Sigh... 
153000 mi

US $508
Recharged A/C myself thought not clearly needed. Afterwards A/C would shut off. It turns out I had overcharged the R34, and the shop had to evac and refill the system to proper specs. 
158500 mi

US $520
Fuel level sender replaced Fuel vapor canister replaced after CEL. 
172000 mi

US $520
Front passenger side window regulator needed replacement. 
179500 mi

US $2600
Upper control arm and mount 
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. 
187700 mi

US $1630
Right Front axle and left upper control arm needed replacement. (suspension noises and irregular tire wear) 
78000 mi

US $3800
Replaced A/C compressor and all related components Replaced A/C compressor and all related components 
85500 mi

US $3000
Warped valve covers, broken lumbar support 
88000 mi

US $450
Faulty crank position sensor 
70000 mi

US $2200
AC was not working, compressor needed to replaced & because of metal bit of the failed compressor were in the dryer it needed to be replaced as well. 

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2004 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed shiftable automatic AWD

29000 mi

US $700
a/c went out. 
32000 mi

US $1106
Replace Valve Cover Gaskets. Parts $330 and $894 for 6 hours of labor. 
45260 mi

C $186
Software that operates power top failed because of low battery voltage. This is a common problem and was quickly resolved by the dealership. 
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 $1300
replaced front upper suspension bushings  replaced valve cover gaskets and half moon gaskets to repair oil leak 
66340 mi

C $380
front crank seal failed 
68600 mi

C $550
crank seal failure misdiagnosed - actual leak was from the oil filter canister connection to the block 
68200 mi

C $225
driver side window came out of track and fell into the door 
70680 mi

C $980
power steering hoses burst 
75020 mi

C $2522
Oil leaks from valve covers. Replaced gaskets and seals. The car still leaks oil. Airbag light stayed on constantly. 6 speed paddle shift automatic won't upshift out of first gear when the engine is hot and has been driven in stop and go traffic. Upper link bushings falling apart 6 speed paddle shift automatic won't upshift out of first gear. It required two trips to detect a bad wheel sensor on the front left wheel. Replacement of sensor resolved the problem. 
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. 

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2004 Audi S4 2dr Convertible

340-horsepower 4.2L V8 6-speed manual AWD

97000 mi

US $350
Wipers seized in pivots - corroded from salt in the winter 
103000 mi

US $350
Won't crank - corroded solenoid in starter motor... 
111000 mi

US $500
Solenoid in the starter motor was corroded and the car would not start... replaced the starter motor - (the solenoid is integral to the starter). Also replaced the Battery - since the high temperature of the engine weakened it to 60%. 
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 
61000 mi

US $1700
Various suspension rubber had deteriorated and was replaced.  
40000 mi

US $100
Radio stopped working-"no antenna" came up on radio receiver. Connection between radio and antenna had to be replaced. 
44900 mi

US $800
engine manifold gasket leaking suspension bushings worn rear brake light burned out 
49000 mi

US $400
Trunk expander control lever broke. 
50000 mi

US $175
Brake sensor switch failed causing ABS light to come on. 
55300 mi

US $300
Nav stopped working-had to replace computer.  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. Convertible top would not work. Motor and latches failed and were replaced. 
80200 mi

US $1600
Convertible top not working-had to replace two motors. 

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2004 Audi A4 4dr Wagon

turbocharged 170hp 1.8L I4 6-speed manual AWD

91500 mi

US $1600
AC compressor catastrophic failure, apparantly a common problem. Fortunately I was able to buy a new compressor, receiver/dryer and seal kit for about 500 and brought it to local shop for installation(Dealer wanted over 1400 just for parts) 
99000 mi

US $700
Camber out of spec, replace 1 Front lower control arm on each side, 4 wheel alignment. 
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. 

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2004 Audi A4 4dr Wagon

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

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. 
127000 mi

US $1200
replaced shocks at 126,000. 
139000 mi

US $2500
losing coolant, had cracked head. Replaced head and did timing belt replacement at same time. 

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2004 Audi A4 4dr Wagon

220-horsepower 3.0L V6 6-speed manual AWD

89900 mi

C $330
Rear differential leak 
95480 mi

C $400
Passenger Window motor broken 
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) 

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2004 Audi A4 4dr Sedan

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

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" Driver side electric window lifter (not motor) replaced by dealer, now working fine 
109800 mi

R 4000
linkages on anti-roll bar replaced as they were "worn out and a safety issue" AC compressor pulley broken off completely. Told that entire AC system had to be replaced - estimated cost about half the current value of the vehicle 
101060 mi

R 10500
AC compressor disintegrated, was replaced together with condenser and accumulator, and whole system flush and re-gas 
109400 mi

R 450
Aircon didn't work, flushed and regassed, detected leak on valve, replaced valve 
125400 mi

R 8000
AC not working and indicator clears when manual override attempted. Check at mechanic, who diagnosed faulty compressor. Replaced Noticed oil leak, upon investigation saw cracked oil sump, welded shut during AC compressor replacement 
126360 mi

R 24000
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 
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 

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2004 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 6-speed manual AWD

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 
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 
151 mi

US $1000
Replaced AC compressor 
125200 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. 
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. 
110300 mi

US $250
Drivers side aigbar ignitor code - known issue with these cars. The harness has little slack, moving seat to limits sometimes stresses harness, it loosens up causing code. Connector cleaned and reassembled. 
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. 
154000 mi

US $1000
floaty steering, instability, front end clunks. Tie Rod and Upper control arms replaced. Febi Bilstein UCA had lasted 25-30K miles; ball joint end was gone. Replaced with Meyle HD. TRE were original, replaced with Lemforder 
158000 mi

US $458
Drivers side front inner CV joint fully split. Replaced entire axle since it was original and I had no idea how long the boot had been torn. 
110800 mi

US $700
Heater core clogged beyond flush. Replaced with OEM. 
175000 mi

US $250
Inner Cv boot torn, replaced axle with raxles unit 
183000 mi

US $150
front lower control arm outer bushings (lower strut) gone. arms were cheap replacement parts aquired in a previous pinch. 
185100 mi

US $100
torn boots on drivers front axle (was a cheap replacement) dirt & grime getting in and causing wear and vibration. replaced with a quality unit from Raxles front passenger caliper seized. needed to replace pads (uneven wear and caliper) 
196000 mi

US $400
Changed lower control arms and inner and outer tie rods 
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 
87700 mi

US $1600
Wheel bearings replaces as well as timing belt and other maintenance items. 
86000 mi

US $835
Rear coolant flange leaking. Airbag TSB needed completed. 
96000 mi

US $100
Coolant leak at thermostat housing. 
98000 mi

US $2000
Clutch replaced due to being worn at age. Normal. Control arms replaced due to age. Bushings were splitting. Inner and outer tie-rods replaced. 
170000 mi

US $6500
Clutch failure. A section of the clutch disc broke off. The clutch would hold a gear but not release. Clutch disc, pressure plate, and flywheel were replaced. Rear main seal was replaced as preventative maintenance. 
125000 mi

US $425
Fuel pump blew...towed in Sunday, replaced Monday 
132000 mi

US $1020
replaced window regulator coolant leak/coolant temperature sender unit replaced 
151000 mi

US $500
Oil leak 

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2004 Audi A4 4dr Sedan

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

69000 mi

US $1000
Engine Coils had a TSB issued - Dealer Replaced All 4 at N/C 
126000 mi

US $1000
Front Upper & Front Rear Control Arm Bushings Oil dipstick tube broken ($20) Valve Gasket Cover cracked ($300) 
85000 mi

US $1500
Steering rack leaked oil. Seals were bad. Had to purchase a new one at the dealer. Passenger side window regulator broken. 
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. 
46000 mi

US $426
Motor regulator malfunctioned in front drivers-side door. 
54000 mi

US $1400
Fluid leaks in several areas. 
64000 mi

US $800
Fuel pumps required replacing 
74000 mi

US $800
Bad wheel bearing and frozen tie rods. 
94000 mi

US $800
AC not blowing cold. Slight coolent system leak. Cracked resevoir. 
95000 mi

US $500
Oil leak cause coil pack failure. 
97000 mi

US $1100
Front passenger window regulator and motor.  Hood alarm switch. 
98000 mi

US $125
Tie rods needed replacing 
107500 mi

US $1700
Blown head gasket 
123000 mi

US $250
Turbo inlet hose split. 
66340 mi

C $220
Replace coolant flange and temp sensor 
99640 mi

C $150
drivers front window regulator failed again 
107960 mi

C $100
Oil level sensor light on dash. Oil Level Sensor replaced. 
111600 mi

C $100
Replaced drivers side front window regulator (2nd replacement) 
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. 
125240 mi

C $680
Left front bearing was replaced, plus front rotors and pads 
140000 mi

C $100
Passenger front window regulator failed and had to be replaced. 
142600 mi

C $150
The flex pipe from the exhaust down pipe ruptured and had to be replaced. 
104200 mi

US $1100
bad ignition coils and fuel pump 
110000 mi

US $800
vacuum leak, check valve failures 
99000 mi

US $1100
Replacement of fuel gauge system. 
40000 mi

US $350
wheel bearings replaced 
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 
62000 mi

US $650
both axles and boot replace seat fixed and 
67000 mi

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

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2004 Audi A4 4dr Sedan

220-horsepower 3.0L V6 6-speed manual AWD

74000 mi

US $450
fuel pump died 
75000 mi

US $1500
Water pump replacement with timing belt. Replaced all shocks and broken control arms 
97000 mi

US $125
Drivers side window regulator replaced 
111000 mi

US $1500
Water pump failure although it had been replaced 30,000 miles prior. Timing belt also replaced early. 

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2004 Audi A4 4dr Sedan

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

41000 mi

US $1041
Sudden fuel pump failure 

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2004 Audi A4 2dr Convertible

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

61000 mi

US $8000
CVT transmission replaced due to slipping and stuttering when accelerating from stop. also would not move for first 5 seconds when accelerator was depressed. CVT transmission replaced due to slipping and stuttering when accelerating from stop. also would not move for first 5 seconds when accelerator was depressed. 
38000 mi

US $1900
Had to replace the transmission TCM unit on a CVT at only 37k 

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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 
86000 mi

US $550
jerky take off 

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2003 Audi A4

Engine not specified

62000 mi

US $1200
Timing belt replaced due to water pump leakage, and valve seal replaced due to oil leakage. 
73000 mi

US $300
Repaired engine bonnet release lever 

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2003 Audi A4 4dr Wagon

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

73000 mi

US $1437
Coolant leak; hoses and seals replaced; 80k service completed at same time 

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2003 Audi A4 4dr Wagon

turbocharged 170hp 1.8L I4 5-speed manual AWD

104200 mi

US $2000
Transmission syncros/planetary gear shattered. 5-sp manual. Replaced clutch, clutch slave, transmission with same model from 2002 car with 124k miles 
108000 mi

US $500
Alarm backup battery leaked and damaged alarm. Need to replace. No alarm beeps or warnings. 
71010 mi

US $260
Replace radiator Replace driver side rear diff seal Replace center diff output seal 
73000 mi

US $100
Driver side HID ballast replaced 
104000 mi

US $319
Replace all front suspension members. 
115000 mi

US $175
Front strut replacement 
118300 mi

US $100
Replace all sway bar end links. 
124000 mi

US $500
Turbocharger replaced. 
132000 mi

US $300
Replace exhaust. 
135700 mi

US $150
Replace front lower control arms, bushing shot. 
144000 mi

US $2000
Replace cam seal Replace VVT gasket Replace timing belt/water pump/tensioner Replace thermostat Replace passenger axle and seal Replace clutch 

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2003 Audi A4 4dr Sedan

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

63000 mi

US $6100
I drove off the used car lot and five miles down the road the light came on. Coolant waring light came on and overheating. Replaced the water pump and timing belt. (Then we got the car back and the head gasket was blown and that's still not fixed.) the car has a blown head gasket and a cracked head. 
64000 mi

US $756
 

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2003 Audi A4 4dr Sedan

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

119000 mi

US $1400
Thermostat & Heater Core Replaced. 
67580 mi

C $850
Replace camshaft tensioner gasket & valve cover. Replace secondary injection flange. Replace broken left side fog light assembly. Replace left front headlight washer pump. Repair homelink (garage door opener) module. 
71300 mi

C $150
Oil leak tracked to valve cover. Could have been because of the extreme cold that day (-35C). 
74400 mi

C $400
Dealer replaced valve cover gasket. Water pump impeller blade was broken and replaced by shop. Timing belt replaced. Front right differential gasket dried out and leaked oil ... replaced by shop mechanic 
81840 mi

C $450
Right rear differential gasket replaced 
87420 mi

C $600
A/C recharged and  front signal light lamp replaced. 
89280 mi

C $750
Wheel bearing replaced 
68000 mi

US $1100
Replaced the entire exhaust system. 
120000 mi

US $250
water pump failed and leak all antifreeze on the road. Had to keep filling with h20 to get it home. Happened close to home. Did the serpintine belt and timing belt with tensioner too. 
165000 mi

US $4750
Spark plug wires shorting out and warn out. 
56000 mi

US $8500
oil pressure light on. engine replacement necessary due to oil sludge. 
114000 mi

US $350
Cam shaft positioning sensor replaced Replaced cam shaft positioning sensor. Prevents occasional stalls when car is cruising or decelerating and can't accurately sense the speed. 
115000 mi

US $400
Wiper blade transmission assembly was corroded, and wouldn't move. Shop replaced the part and broke windshield in process. Replaced windshield no charge 
115000 mi

US $1300
Independent shop couldn't read codes, dealer could. Independent shop replaced ABS rear left sensor, ABS, traction control light still on. Dealer recommended replace ABS control module (900), said sensor was not problem. 
74500 mi

US $1300
HPFP went bad. Needed to replace it. 
28000 mi

US $19000
36000 miles took to dealer for leaking Valve cover gasket and they said a Motor Mount needed to be replaced also. Covered under warranty 
51000 mi

US $240
DIY change Coil Packs, One way valve and spark plugs. 

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2003 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual FWD

156000 mi

US $2000
valve cover gasket cracked due to the hose providing the coolant and water breaking off got water and oil into the spark plugs 

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2003 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual AWD

90000 mi

US $1200
MIL was on. Thought problem was coil pack. Mechanic found cause of MIL to be rotten crankhouse vent hose, not coil pack. Had item replaced, slight valve cover leak noticed as well. 
126200 mi

US $558
replaced ugly looking coolant and coolant tank. was told by tech that previous person might have added the wrong coolant for top off. tech advised another coolant flush would be ideal to flush out old/bad coolant. 
127000 mi

US $180
rear left window regulator broke and was replaced with OEM part supplied by owner 
140000 mi

US $250
grounding wires for license plate light went faulty 
144000 mi

US $148
replaced mass air flow sensor 
155000 mi

US $1798
ECU tune for big turbo. New injectors, battery, and spark plugs. Replaced bad 3-way valve & jet pump. stock turbo went bad, replaced with big turbo.  new coolant and expansion tank reservoir. 
160000 mi

US $2000
Replaced bad boost pressure sensor 
163919 mi

US $2500
chipped 1st gear, replace with used transmission clutch was slipping, replaced with upgraded clutch & flywheel kit coolant leak, replaced coolant flange from a previous job at a different shop replaced mass air flow housing replaced hood latch sensor and hood strut 
89900 mi

C $100
Replaced first coil pack (Failure) 
89900 mi

C $1200
Water pump replacement. 
43000 mi

US $100
ashtray mechanism failure 
44000 mi

US $100
valve cover gasket leak, repaired. 
49000 mi

US $2000
clutch failure 
50000 mi

US $200
cracked radiator seam 
62000 mi

US $300
Car unable to start, no diagnosis so far. 
99800 mi

US $150
Replaced mass air flow sensor 
100800 mi

US $400
Broken driver side inner CV boot, joint failing. Replaced both front axles as preventative. 
115000 mi

US $200
Driver door wiring harness 
76000 mi

US $1200
There was a leak from the steering column. I have had this problem for awhile. I was told I need a new rack and pinion. 
82000 mi

US $650
Coolant light kept coming on. Found a leak in one or two hoses going into coolant system and worn ring. Will give move details when I pick up car tomorrow. 
90000 mi

US $1266
Removed and replaced timing belt, timing components and water pump. Drained engine oil. and removed and replaced engine air filter. Checked fluids. Inflated and adjusted tire pressure. Removed and replaced engine oil level module; 
218000 mi

US $1000
Misfiring Cylinder Ignition Coils Oil in Cylinders 
114000 mi

US $100
Failure of the glove box door hinges 
118000 mi

US $100
Replaced switch 
124500 mi

US $1250
CEL 2181 cooling out of range. Replaced thermostat and manifold. Alternator bearings were getting noisy. Alternator removed to replace thermostat, so got a new one. Serpentine belt and tensioner replaced 
129000 mi

US $850
Replace RF wheel bearing Replace flex pipe in exhaust 
135000 mi

US $500
Small coolant leak traced to famous coolant flange Windshield washers had low pressure Rear seat backs not locking in place 
149000 mi

US $2500
Brake pads and rotors 
41000 mi

US $400
headlight leveling system failed 
45000 mi

US $300
coolant leak from rear of engine 
45250 mi

US $200
coil failed 
45250 mi

US $4000
AWD system failed causing poor handling 
90500 mi

US $600
Plastic check valve failed causing a leak 

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2003 Audi A4 4dr Sedan

220-horsepower 3.0L V6 6-speed manual AWD

132000 mi

US $510
Change OEM silencer (Middle mufflers) 
147900 mi

US $1500
Changing the cam seal of the right blank 
161300 mi

US $230
Brake switch; 
125800 mi

US $1500
Freeze Plug on the waterpump began to leak. Waterpump was still good, with only 40K miles on the pump. Water pump had to be replaced to stop the leak. $1500 repair b/c behind the timing cover. 
142000 mi

US $500
coolant leak 
155500 mi

US $175
ABS system failure, linked to speedometer. CHEAPABS.COM will make the repair for $150, but must remove the module (2 hours work). 
158000 mi

US $500
Driver window's motor failed for the 2nd time. Very expensive each time. 
122400 mi

US $700
replaced catalytic coverter 
127000 mi

US $250
replaced front upper control arms 
140000 mi

US $1900
a/c compressor seized. compressor and condenser replaced 
170800 mi

US $600
a/c compressor replaced front wheel bearing replaced 
209000 mi

US $250
front axle cv boot leaking. replaced axle 
210400 mi

US $140
replaced battery 
246605 mi

US $230
replaced upper and lower control arms 
263000 mi

US $120
front axle boots replaced, one had failed wheel bearing replaced 
131580 mi

US $516
Replaced front and rear shocks; aligned vehicle Replaced output shaft seal (rear) and drive axle seal (rear; transmission fluid replaced accessory belt tensioner and serpentine belt Right front wheel bearing replaced after a noise developed soon after previous repair trip. 
148000 mi

US $1200
A/C pump froze up and destroyed serpentine belt and one pulley. Together they cost about $1100 plus a standard oil change. 
152000 mi

US $500
Replaced coil packs due to CEL codes 
51739 mi

US $178
Repair clutch pedal switch 
70899 mi

US $1351
Replace all coil packs, evap system purge valve Replace front brake pads and rotors Replace driver window switch module 
82766 mi

US $280
Repair license plate bulb assembly 
88000 mi

US $2500
Pcv valve froze. Blew out seals. oil leaks everywhere.new pcv valve timing belt and seals. 

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2003 Audi A4 4dr Sedan

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

22000 mi

US $500
front windshield 
32000 mi

US $500
front windshield 
63000 mi

US $700
steering pump 
65000 mi

US $200
drivers side window button 
68000 mi

US $200
windshield wiper repair 
71000 mi

US $1200
timing belt and steering pump 
71000 mi

US $300
motor for windshield wipers 
71000 mi

US $200
hood latch release 
84000 mi

US $1700
replaced steering rack that was leaking 
66000 mi

US $350
Exhaust system was making a loud noise. Took it to local mechanic who recommended a Meineke shop who would weld in a new piece. both sides of the car had to be done. 
43878 mi

US $850
replace failing power steering pump 
53465 mi

US $800
replace two oxygen sensors 
54547 mi

US $250
replace two crankcase breather tubes that had cracked 
62830 mi

US $363
windshield wiper transmission replaced replace windshield wiper transmission 
86600 mi

US $1250
Replaced glovebox hinge. 
108000 mi

US $250
Yellow oil sensor display on instrument cluster. Replaced oil pressure sensor. 
208320 mi

C $2000
Timing belt, rollers water pump Valve cover gaskets replaced Replaced flex joints in exhaust new front brakes and lines 
212040 mi

C $350
Gas smell in cabin, replaced purge valve 
110800 mi

US $200
I have the 3.0 V-6. Ignition coils were replaced Dec 2010 with new, improved design under recall. One of the new ignition coils briefly failed (set code). Replaced it. 
134300 mi

US $1150
Replaced water pump 
140300 mi

US $170
Replaced faulty crank position sensor 
145500 mi

US $200
Replaced one faulty ignition coil. 
150300 mi

US $700
Engine cooling module replaced. Fault prevented the electrically driven engine cooling fan from turning on. 
62000 mi

US $2800
CAT converter 
63000 mi

US $400
Driver's window (regulator) 
68000 mi

US $1200
Fuel pump ... died in the fast lane 

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2003 Audi A4 4dr Sedan

67580 mi

A $2500
Replaced all known parts that fault after 100000kms 

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2003 Audi A4 2dr Convertible

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

44000 mi

US $14500
Replace the coil packs, oil change, and replace 4 tires. 
45000 mi

US $2200
Replaced ecm 
49000 mi

US $1700
Check engine light on. Car 'spluttering' at idle. New Cam Shaft seals identified as problem area. 
64000 mi

£18386
Initial repair task was fixing coolant leak from water pump. During testing after initial repair, oil pump failed and engine was ruined. Cause was identified from official Audi service bulletin. Damage required complete replacement of engine, along with required seals and gaskets etc. 

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2003 Audi A4 / S4 4-door

turbocharged 4-cylinder diesel manual AWD

96100 mi

€1277
Leak around the pollen filter. Water leaked in on top of ECU and there were multiple electrical problems due to then. Leak found and repaired, ECU replaced. Delay in supply of replacement ECU. 
176080 mi

€435
Front driver's side wheel bearing replaced. 
276600 mi

€150
Passenger side track rod end worn after 445,000 KM was replaced 
280240 mi

€300
Intercooler had a crack, needed to be replaced. 
314340 mi

€100
Rear wiper motor needed to be replaced 
318680 mi

€100
The syphon tube where the dipstick goes cracked and had to be replaced. Coolant pipe perished and cracked 
328600 mi

€500
Replaced 3 x calipers which were seized. 

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2003 Audi A4 / S4 / RS4

Engine not specified

81000 mi

US $1300
Rear windshield sprayer not working.  Windshield front [washer] system leaked 500USD repair. 

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2002.5 Audi A4 4dr Sedan

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

90000 mi

US $800
PRNDS all light up while in tip tronic...Audi thought transmission could be failing. Replaced shifter tract. Security System beeping three times upon startup and would die if left still for 2 or 3 days. Finally found bad cell in battery. Fixed the issue. 
94500 mi

US $368
CV half shaft installed...purchase part myself (Audi charges 800 just for the part) and had a mechanic install it. 
96000 mi

US $1500
Vibration continues...thought to be a CV axle. Replaced did not fix.  Took in to dealer for vibration. Was told a bad tire was at fault or was out of round.  Parasitic draw on battery. 8 hrs diagnositic time. Replaced door wiring harness and door latch. VERY EXPENSIVE repair.  
97000 mi

US $120
Owner noticed fluid leaking from underneath car. Thought to be CV axle leaking from previous install. Steering was leaking from rack and pinion. Decided to wait until summer.  
98000 mi

US $240
Traction control light came on and dealer identified as brake light sensor being bad. Cruise control would work on and off. Brake light sensor replaced and originally installed incorrectly faulting the brake pressure sensor. Dealer fixed both issues 
100000 mi

US $500
Upon last trip to Audi told me I had oil leaking from the valve cover gasket. recommended also to change the cam seals. They wanted 700 to replace at dealer. Took elsewhere had motor mounts also changed and valve cover for 500.00  
102000 mi

US $200
check engine light illuminated. Took to dealer and was told was vacuum leak( which explains rough idle i've had for a year). Repaired 4ft of hose and air jet. Repair did not fix rough idle. Am returning to shop next week. 

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2002 Audi A4

Engine not specified

70000 mi

US $150
Oil leaking from engine found by the technician. Gasket replaced. 
70000 mi

US $1600
oil leak from camshaft seal 
79000 mi

US $1500
left and right Engine mount support leaks/replaced left and right inner CV boots broken, replaced both left/frong and right/frong axle assembly. 
96500 mi

US $200
Vibration on the driver side axle, replaced axle. 
105000 mi

US $900
Water Pump leak, replaced water pump leak. 

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2002 Audi A4 4dr Wagon

turbocharged 250hp 2.7L V6 6-speed manual AWD

96000 mi

US $2000
Head gasket failure 
97000 mi

US $1750
Rear main oil seal leak 

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2002 Audi A4 4dr Wagon

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

131000 mi

US $970
Wheel bearings were very loud 
161700 mi

US $1600
Head gasket blew oil in coolant 

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2002 Audi A4 4dr Wagon

220-horsepower 3.0L V6 6-speed manual AWD

100000 mi

US $2000
Left front axle replaced - boot torn. 
101900 mi

US $695
replaced radiator due to leak replaced radiator due to leak 
108000 mi

US $100
leak in headliner from sunroof-was "fixed" by dealer last year. Front drains are ok-back drains totally clogged-shop said they couldn't clear w air rec going back tp-dealer.Dealer said they will try a thin wire tool from Audi. No appt yet. 

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2002 Audi A4 4dr Wagon

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

99200 mi

US $1500
Torque Converter replacement 
98000 mi

US $1100
Odd noise. Turned out to be some belts that needed replacing. 

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2002 Audi A4 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

61000 mi

US $200
Leaking coolant after-run or auxiliary pump. Pump located in the "V" of engine beneath the intake manifold. Also required replacement of intake manifold gaskets as this is mandatory with R&R of intake manifold. 
84000 mi

US $415
Right (passenger) rear wheel bearing was bad and was replaced. Problem evident from noise and vibration. Oil leak coming from recess on front of engine where crank lock pin is inserted during TB change. Plug and o-ring replaced. May not be only oil leak, but it was a major one. 
90000 mi

US $2400
Water pump bearing failed; noise indicated problem was possibly severe so car towed to prevent more damage. Timing belt,water pump, tensioners and idlers/rollers were all replaced. This was only 20k miles since same service was last done. 

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2002 Audi A4 4dr Sedan

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

108000 mi

US $850
Oil cooler was leaking into cooling system. 
125000 mi

US $1500
Alternator went bad. Had alternator replaced. Very labor intensive. Wheel bearing was failing. Replaced wheel bearing. Was getting very noisy. 
127000 mi

US $1503
Heater Core went bad. Needed to be replaced. Very labor intensive. 
131000 mi

US $500
Left Rear wheel bearing what bad. Had to replace. 
137000 mi

US $715
I ordered the auxiliary cooling fan online and did that myself. (I now know how to put the S4 into 'service position' sheesh, so much work just to be able to get at the fan. The fan was $150. (Audi wanted $700 installed). I also ordered a used Throttle Body online for $250 and installed that. It was throwing a fault code and I have to make it qualified to pass for the bi-annual emissions test that is due. (Can you believe Audi wanted $1100 for the Throttle Body-part only.) New spark plugs. Oxygen sensor. 
139000 mi

US $450
Engine coolant temp sensor failure was causing ECM to think that even when engine was cold, it was at operating temp. This made vehicle very difficult to start and keep running, since it was not receiving an enriched air-fuel mix. 
139500 mi

US $310
Twice had it towed on flat bed to Audi. The brakes started applying themselves, to the point of near lock up. They could not reproduce it so eventually felt to start with replacing front brake lines. Unsuccessful. 
141000 mi

US $700
Audi stripped Both front bleeder valves in calipers. Bought after market for $120 each instead of Audi's $840. (dual piston). Merlin's correctly diagnosed master cylinder. Good job. Also replaced FR axle. 
146000 mi

US $402
No heat. Had to have heater core flushed. 
161000 mi

US $215
I always replace my own brake pads and rotors but on the rear it needed the calipers replaced. Pistons were froze. 
172000 mi

US $300
LR caliper froze up, also LR brake house callapsed. 

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2002 Audi A4 4dr Sedan

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

50000 mi

US $1000
Leaking gasket seal caused a buring oil smell. Gasket was replaced. 
65000 mi

US $250
Rack & pinion was binding. Replaced with refurbished unit. Driver side power window relay. 
92100 mi

US $200
leaking valve cover gasket shorted an ignition coil 
95000 mi

US $300
Leaking vacuum hoses-repaired hoses 
106700 mi

US $280
vacuum leak 
56000 mi

US $100
new DV, old one's diaphragm worn out and was losing power. 
74000 mi

US $1000
new turbo, diy in the front yard, replaced with a k04. 
97000 mi

US $1800
rear left window regulator engine mounts replaced water pump causing coolant leak.. replaced waterpump and re-did timing belt service 
113000 mi

US $200
Catalytic converter replaced. 
136000 mi

US $800
Power steering pump replaced. It had been whining a bit and a fluid flush didn't help.  
145300 mi

US $650
Leak at turbo ac took a while to kick in 

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2002 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual AWD

125000 mi

US $325
Ignition coil failed. New set needed. 
135000 mi

US $7200
Intake valve head broke. Damaged cylinder 1,2 and 4 beyond repair. New block and head needed. Replaced clutch during vist since engine was being replaced and access was easy. 
125000 mi

US $8500
Intake valve head broke and debris damaged cylinders 1,2 and 3 beyond repair due to migration through the intake manifold since the head on the valve was broken and open during power stroke. Estimated $8500 to repair, so junked. 
89000 mi

US $1700
Steering was vague, car wandered, especially over bumps. Replaces all front control arms, tie rod ends, front struts and rear shocks. 
90000 mi

US $1100
Exhaust pipe cracked between resonator and muffler. Pipe needed to be replaced, as the area of crack was too thin to weld. Replaced entire exhaust system instead. 
91000 mi

US $100
Engine misfiring. One coil pack died. Elected to replace all 4, as the coil packs are a known issue, and they were only $25 each. 
99000 mi

US $400
Parking brake cable seized. Replaced both cables. Rear brake pads and rotors replaced from dragging brakes. Replaces front brake rotors and pads due to rust on defective aftermarket rotor. 
85000 mi

US $1200
Leak in power steering. EStimate is about $1200 to replace rack. So far, I have just topped off the fluid. Haven't had to add more in about 6 months. 
93000 mi

US $400
Driver window mechanism broken. Had to be replaced. Driver window mechanism repair 
106000 mi

US $210
Engine temp sensor failed. Car difficult to start when engine was cold because sensor was telling computer that the engine was at 80 degress instead of 40 or so. 
111000 mi

US $850
Car would lose power. Could only go about 15 MPH. I replaced the throttle body. The problem took a couple days to diagnoise. 
77000 mi

US $2000
car stalled while merging on the highway. would not restart. coasted to shoulder. flatbedded to service. car sold upon completion of repair. Car was fun to drive but not dependable. 
60000 mi

US $385
Replace defective A/C Condenser (50% warranty) 
80000 mi

US $152
Replace Broken Vacuum Line 
90000 mi

US $300
Replace Coolant Temp Sensor, Replace Driver Side Wiper Arm 
93000 mi

US $1890
Replace Power Steering Rack 
85000 mi

US $6000
Engine sludge caused lack of oil pressure which then caused a spun rod bearing which destroyed the internal engine parts. 
101000 mi

US $100
The plastic piece holding the window to the window regulator broke, so the window would no longer go/stay in the up position. It did stay in place with duct tape on the outside in order to get the car home.  
120000 mi

US $110
MAF sensor failed, bought new one and replaced myself 
126000 mi

US $300
Sensor in the system replaced, but problem is not fixed yet. Will return to shop in the near future. 
135000 mi

US $2000
Power steering rack failed while driving. Had to be towed to the shop. 
145300 mi

US $200
3rd recharge in 3 years. No leaks found this time around. 
150000 mi

US $100
The coolant return fitting out of the turbo failed. Quick easy fix. Oil supply line to the turbo was leaking. In retrospect this might have just been a loose fitting, but I replaced the fitting and the line to be safe and avoid fixing something twice. 
156000 mi

US $100
a mysterious coolant leak that was not able to be replicated. Maybe extreme cold weather related? Problem has not returned since. 
157000 mi

US $500
Water pump leaking, probably the o-ring, replaced entire assembly and timing belt. Then 2 weeks later my thermostat housing exploded. 
170000 mi

US $200
another failed coilpack, so I just replaced all 4 
88000 mi

US $450
all 4 cyl coils replaced 
90000 mi

US $400
rear window motor replaced 
86500 mi

US $200
Oil dip stick/tube broken and replaced. 
99000 mi

US $1100
Oil pump stopped working, engine was prone to overheat and cause irreparable damage soon. Replaced Oil Pump, oil pressure sender, and the like. Check engine light came on the night before I brought it to the mechanic, left car immediately. 
120000 mi

US $1800
radiator 
101000 mi

US $150
Coil pack failure on cylinder #1. Replaced all 4 coil packs due to the large difference in the revision of the part. Had version L replaced with version R 
106000 mi

US $100
Small leak in Evap system. The gas tank has a crack or defect on the top of the tank. Purchased a used tank. Awaiting time to install. 
121000 mi

US $900
Gas tank had a failure point. causing evap system error. New tank corrected problem. 
130000 mi

US $430
Replaced the engine speed sensor.....after 3 years it was hard to start the car without it :) 
131200 mi

US $130
2 coil packs failed. Replaced all 4 due to new revision of part. 
137000 mi

US $400
Motor mount failed. Liquid inside mount oozed out. Both motor mounts replaced with solid rubber design. 
141000 mi

US $375
Cat inefficient error - clogged Cat. Replaced cat. 
143000 mi

US $100
Replacement of suction pump, bleeder valve and pressure control valve. 
144000 mi

US $100
Rear O2 sensor replaced. Code for faulty heating element 
150000 mi

US $800
Oil pan seal was leaking Rear differential axle seal 
155000 mi

US $145
Car would randomly not start after leaving parked in the garage overnight. Aftermarket battery was not the correct battery for the car. 
157000 mi

US $2000
Original clutch shattered. With 156k miles on it, it was on borrowed time. Replaced with aftermarket clutch. 
157200 mi

US $2200
Syncro failed for 4th gear. Could not shift normally into 4th gear. 
192000 mi

US $6000
Emergency hand brake unusable/seized. Would normally stick in winter but became unusable recently. Hand brake cables were replaced during this trip and it works as expected now. Oxygen sensors and breather system replaced. Engine complains of running lean at times but problem is intermittent. Issue would show up when low in gas at higher cruise speeds, then go away after some time. Sheared off a tooth in 1st gear of manual transmission and damaged Syncro. Vehicle was drivable but transmission clicked in 1st gear. Replaced syncro, 1st gear, output shaft to resolve issue. Passenger side engine mount was leaking hydraulic fluid badly. Replaced both left & right engine mounts and also front snub mount. 
197000 mi

US $2500
Car was losing power steering fluid over course of a couple of months. Replaced power-steering rack. MAF Sensor replaced 
206000 mi

US $3000
Flex Joint damaged and required repair.  Updated rear sway bar and added new bearings for suspension. After-market rear shocks replaced under warranty. 
213200 mi

US $785
A power-steering line difficult to replace was leaking or allowing air into the system. The system was making the whining noise while turning the wheel and a bubbling/spurting noise behind the steering whee. The line was replaced/fixed. 
218300 mi

US $1100
A/C would stop blowing cool air after a period of time on high temperature days (90+). A/C was recharged. 
233000 mi

US $357
Driver-Rear wheel was leaking brake fluid determined after visual inspection and brake light flashing. Caliper parts were rusted. Replaced caliper and securing bolts. 
243200 mi

US $890
Power-steering very light at highway speeds. Whining noise with acceleration but not while turning. Intermittent difficult turning at low speeds. Fluid levels ok and no leaks. Determined to be power-steering pump. 
247700 mi

US $4300
Engine head gasket and cylinder damage. Vehicle was losing coolant slowly with no visible leaks. Coolant leaking into damaged cylinder. Machine shop repaired damage & additional components replaced as part of repair. 
149000 mi

US $100
Water pump failure - impeller separated from shaft, resulting in lack of coolant circulation 
182000 mi

US $350
clutch disc worn, replaced 
192000 mi

US $250
leak in radiator, replaced; thermostat sticking open, replaced 
197000 mi

US $500
head gasket leaking. Valve job done on head (seals replaced, etc), all gaskets etc replaced 
201900 mi

US $250
replaced all rear suspension bushings 
223200 mi

US $1500
FOD (foreign object debris) ingested into engine, damaging head and piston #1. Possibly some slag broke off a weld inside the intercooler? 
235000 mi

US $100
control arm ball joint was worn, replaced 

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2002 Audi A4 4dr Sedan

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

78500 mi

US $1050
Replaced faulty Combu Valve 
89500 mi

US $4000
variable transmission was jerky at low speed and something slided out of gear altogether. 
67000 mi

US $230
Water pump failed. Engine ran hot and was shut off before permanent damage could occur. Car was towed to a local shop, but they were not equipped for the repair. They towed the car to the Dealership. Dealership replaced the water pump and timing belt. Check engine light was on for two weeks. Local auto parts store reset the light, it came back on after 3 days. While in the shop for problem 1, shop said they think problem 1 caused problem 2. They reset light but repaired nothing. Had to take car bac Check engine light on (as mentioned in problem 2 of trip 1). Light reset during trip 1. Light came on 3 days later. Went back, sensors bad, replaced sensors, problem solved. 2 weeks later light has not come back on. After getting car back from trip 1, washer fluid light came on. I refilled with 1 gal of fluid. Took back for trip 2, got it back, fluid low again. Shop says they filled it both times. Looked at it on 3rd trip, pump leaking, replaced, problem solved. 
142000 mi

US $300
Engine stalled, would not maintain idle without foot on throttle. Multiple codes, 2 O2 sensors intermittently giving trouble for years could be causing them. 3 sensors replaced at my request (due to reduced labor cost of the 3rd sensor). Same problem a week later, engine stall. Shop said ETC sensor giving readings that "didn't make sense" and suggested it be replaced. I requested shop replace the ETC sensor and fuel filter (it was overdue anyway). 
143000 mi

US $180
Same prob another week later, engine stall. Shop gave an OBDII recorder to get more info. MAF sensor throwing bad data, shop advised replace sensor and wiring. Engine ran smoother when it was disconnected. Sensor and wiring replaced. Same problem as before. Advised shop that no routine maintenance had been performed since about 80k miles, other than oil and tires. Shop checked regular maintenance items, found two bad spark plugs and 4 poor plugs. Replaced plugs. 
158800 mi

US $265
Power to trunk lid failed, lights and latch not working. Replaced latch switch and lights came on, but latch still not working. 6 days of diagnostics could not identify problem. Audi dealer refused to provide wiring diagram for trunk lid. 

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2002 Audi A4 4dr Sedan

220-horsepower 3.0L V6 6-speed manual AWD

95000 mi

US $1800
Replace timing belt Repair broken glove box 
123000 mi

US $400
Replace rear shocks and shock mounts 
131000 mi

US $580
Replace right front axle Replace rear brakes 
69000 mi

US $800
The A4's ignition coils crapped out AGAIN plus spark plugs, vacuum lines, throttle plate cleaning and lots of other labor charges to replace coils & plugs. 
74000 mi

US $2000
New front control arms installed - had failed after 7+ years driving on city roads. 
79000 mi

US $1400
Brakes, ignition coils (again), minor bodywork 
118000 mi

US $700
EPC and traction control light came on randomly causing intermittent loss of power, and hesitation. 
121000 mi

US $974
throttle body sensor replaced Also had routine 120k svc 
141000 mi

US $230
clutch position switch 
145000 mi

US $2000
balance fly-wheel broken and shifter-linkage along with clutch 
146000 mi

US $450
windshield wiper control unit failed 
158100 mi

US $200
all windows did not go down; wiring harness to drivers door replaced 
183000 mi

US $400
coil pack replacement - one bad but all 6 replaced 
188000 mi

US $1500
Needed replacement of entire steering rack 
142700 mi

US $500
replace control arms (all front) 
153000 mi

US $1000
Water pump, timing belt, pulleys, tensioners, oil seals on pas. side cam adjuster, coolant O ring on temp sender, oil, oil filter, air filter, spark plugs, drive side motor mount (all replaced this year). 
162000 mi

US $500
replaced shocks 
180000 mi

US $200
replace leaking vacuum hoses, PCV valve and fuel pressure regulator. 
195000 mi

US $200
Replace radiator, oil change, replace snub mount. Replaced rear rotors and pads. Flushed brake fluid. 
196000 mi

US $200
Replaced headliner 

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2002 Audi A4 4dr Sedan

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

44000 mi

US $150
Coil pack on one cylinder. Will probably replace the rest myself as they are a problem for many Audi 3.0 owners. 
50000 mi

US $2000
Trans computer replaced along with tiptronic switch circuit board 
50900 mi

US $2000
Tiptronic switch and circuit board replaced. Trans would not shift from park to any other gear without starting the car in Neutral and forcing it to shift. 
58000 mi

US $575
Replaced left rear caliper which was leaking. Also did rear pads at that time. 
94000 mi

US $5500
Catalytic Converters (L & R) Torque Converter replaced 
104200 mi

US $608
Noticed vibration in Front end 25MPH on up. Vibration feels like wheel out of balance. 
117300 mi

US $1000
Replaced RF CV boots (Inner and Outer). Replaced RF upper links bushings, and replaced LF tie-rods (Inner and Outer). Four wheel alignment, wheel balance & rotation done. 
59000 mi

US $1635
Software update: $135 Long overdue, apparently misfires were occurring that caused supplemental check engine codes along with the cat replacement.  Intake manifold: $1500. Repairs done due to a plastic rattle sound from intake manifold changeover mechanism that rattled in its seat during med-hard acceleration until intake changeover at 4200rpms. Cat replacement: covered under extended emissions warranty 8yr/80K but costs was quoted at about $1200 Caused by intermittent check engine light for a bank 2 O2 sensor code . 
75000 mi

US $2800
Had to replace one of the overhead cams which the dealer said was a common repair for this car 
59000 mi

US $1000
timing belt. Belt had to be replaced because it was giving us trouble, this was unusual according to the dealer...belt looked to have been run very hot for extended periods of time, possibly an LA car or other metro location? 
85000 mi

US $150
Left rear caliper locked shut and needed to be replaced. 
130000 mi

US $162
Temperature sensor failure caused fan to run at high speed at cold start. Part was replaced. Hood failed to remain open. Replaced Hood Strut 
130000 mi

US $464
Drive belt tensioner failed. Belt tensioner, multi rib belt and expansion tank cap replaced. Alarm horn has failed. Fault for this alarm horn also registered in the computer. Replacement cost estimate was ~$500. Not repaired due to high cost/low usage. 
134000 mi

US $1157
Water pump bearing starting to fail. Water pump and timing belt replaced. 
148000 mi

US $1800
Catalytic converter fault Torque converter fault. slippage faulty brake light switch 
151000 mi

US $4200
Catalytic converter Bank 1 (Feb was bank 2) Torque converter slippage. seal failure 
164000 mi

US $900
fuel pump failure 
185000 mi

US $2600
intake manifold gasket and associated tubing replaced. (engine did not turn) rnwater temp sender and o-ring and spark plugs 
190000 mi

US $200
Left headlight blown. Right headlight heavy flickering. Both headlight bulbs replaced. 
195000 mi

US $600
Sheared Driver CV Boot. Motor Mount (Front/Snub) crack. 

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2002 Audi A4 4-door

4-cylinder automatic AWD

60000 mi

US $1900
Water pump was leaking and needed to be replaced; replaced the timing chain also b/c it's recommended to be changed at 90K miles & have to change the water pump at that change also -- planning on keeping the vehicle, so it was prudent 

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2002 Audi A4 / S4 4-door

turbocharged 4-cylinder diesel manual 2WD

116560 mi

R 2600
water temp sensor faulty upper C links on steering replaced  
119660 mi

R 350
driver door wiring connector. wires cracked from door opening and closing, causing window to stop working. no error lights 
126480 mi

R 12000
Tandem pump leaking, also replaced front disks and pads, timing belt and water pump 

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2002 Audi A4 / S4 4-door

4-cylinder manual 2WD

119040 mi

R 3000
Oil leak - found pcv pipes cracked. replace all. 
120900 mi

R 7300
Hose connector at the back of the cylinder head replaced 
132060 mi

R 850
Alarm siren kept going off 
137020 mi

R 350
Metal pipe corroded. Replaced temp sender unit 

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2001.5 Audi A4 4dr Wagon

turbocharged 250hp 2.7L V6 6-speed manual AWD

41000 mi

US $600
Bad steering arm. Replaced pair of arms. 
46000 mi

US $600
Camshaft tensioner seal leaking oil. Replaced seal. 
46000 mi

US $300
Exhaust Gas Temperature Sensor. 
51000 mi

US $700
Replaced upper control arms (loose fittings) Bad temperature sending unit. 
59000 mi

US $600
Replaced auxillary water pump (sometimes called after run cooling pump) Cracked coolant tank replaced CV boot replaced 
60000 mi

US $300
Replaced whining fuel pump 
71000 mi

US $500
Oil level sensor bad, replaced CV Boot torn, replaced Hood strut failed, replaced 
78300 mi

US $2000
Replaced all 8 control arms Alternator failed, replaced All brake lines were showing signs of dry rot. Replaced Master cylinder cracked, leaking. Worn tie rod ends, replaced. 
83000 mi

US $960
Replaced vacuum hose assembly Replaced valve cover gasket Replaced battery - dead 
84000 mi

US $650
Replaced blown hose between rack and pump Heater core required flushing 
86000 mi

US $1200
Leaking coolant hoses Leaking camshaft seal 
91000 mi

US $600
Several cooling hoses leaking, replaced Windshield wiper pump cracked, replaced 
95000 mi

US $300
Replace valve gasket 
96000 mi

US $850
New steering pump and hose 
98000 mi

US $200
Dead battery. Replaced. 
100000 mi

US $2000
Replace struts/shocks Replace exhaust gas temp sensors 
137000 mi

US $4500
New clutch 
176000 mi

US $900
Driver's side exhaust cam, and exhaust lifters had to be replaced, along with the cam adjuster. It appears that the 1 lifter failed. 
192000 mi

US $525
After 110k miles I needed to replace all 4 rotors and pads. Also had to replace the rear calipers. 
179300 mi

US $415
Original lower control arms and tie rod ends(outer) replaced 
201000 mi

US $600
Oil/filter change P.S. outside C.V. boot 034 Snub mount 02 sensor (p.s.) 
201000 mi

US $500
rebuilt passenger side stern motor mount trans mounts(Apikol) rear diff mount(Apikol) rear diff bracket bushings(Apikol) 
204000 mi

US $350
-D.S. swaybar mount/bushing -D.S. motor mount/swaybar mounting bracket TB kit from Pure MS *Audi water pump was leaking(weep hole) after 39k miles 
205000 mi

US $100
Mechanical fan clutch replaced Fan temperature sensor replaced 
218000 mi

US $100
Ignition lock cylinder replaced due to a lack of starting issue. Starter would not turn over, unless I moved the steering wheel back/forth to engage the steering wheel lock. 
218000 mi

US $1200
Pressure plate failed causing the slave to fail. Replaced clutch. 

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2001.5 Audi A4 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

37200 mi

C $259
Aux Coolant pump failed. 
49600 mi

C $5000
Transmission was noisy in first gear. Replaced with re-manufactured unit. 
163900 mi

US $285
Wheel bearing 
165000 mi

US $142
replace door speaker 
165200 mi

US $1095
replace pads, caliper and e-brake cable 
173000 mi

US $500
calipers were sticking and were replaced 

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2001.5 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual FWD

114700 mi

$1300
Oil sludge in engine. Clogged oil pump pickup. Lost oil pressure. Use correct motor oil!!! 
124620 mi

$300
front brake hoses replaced 
135160 mi

$2000
Parking brake broken. replaced cables. both rear calipers were bad along with the discs and brake pads. All parts were replaced. 
137020 mi

$300
rear brake line broke during yearly inspection. replaced brake line. 

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2001.5 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual AWD

48980 mi

C $1000
Timing belt/water pump Tie rod end 
128000 mi

US $1500
Clutch and flywheel replaced 

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2001 Audi A4 4dr Wagon

turbocharged 250hp 2.7L V6 6-speed manual AWD

92000 mi

US $600
Both diverter valves for each turbo were bad along with the turbo Y pipe boot. 
94000 mi

US $530
Bad rear wheel bearing and front tie rod ends. 
98000 mi

US $600
Faulty axles replaced. Control arm set replaced. 
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

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. 
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. 
122000 mi

US $480
Both rear wheel bearings had to be replaced. 
131700 mi

US $1700
Original clutch failed dramatically, friction material broke into three pieces, flywheel worn beyond resurfacing. 
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

57000 mi

US $2000
Replacement of O2 sensor, knock sensor and CTS sensor. 
83200 mi

US $305
replaced serpentine belt 
93000 mi

US $732
replaced rear brake pads and discs: replaced left rear caliper 
82000 mi

US $1500
Replace both rear wheel bearings.  Replace the seals on the rear differential. 
155000 mi

US $4000
Replaced clutch. Rear wheel bearings. 
156200 mi

US $819
Leaking gas line and fuel filter 
158000 mi

US $247
Broken muffler side clamps; leaking exhaust; warning light 
159200 mi

US $352
Broken brake hose Front brake calipers sticking 
108000 mi

US $10170
Replaced turbochargers. Replaced sway bars and struts 
111000 mi

US $180
Windshield wiper motor replaced 

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2001 Audi A4 4dr Sedan

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

153000 mi

US $650
Front drive shaft boots were broken and leaking grease. Both drive shafts were replaced. 
156000 mi

US $1800
Timing belt replacement 
169000 mi

US $1200
Rack and pinion was going bad. It was replaced. 
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. 
117000 mi

US $1400
Heater inoperable. Replaced heater coil [core], r&r dashboard 10 hours labor. 
115320 mi

C $1250
Original rear springs were broken. Decided to replace all 4 springs and shocks with aftermarket sport suspension kit instead. 
117180 mi

C $150
Replace malfunctioning coolant temperature sensor Replace sway bar links and bushings to correct loud clunking noise 
119040 mi

C $400
Malfunctioning thermostat and radiator connection resulting in total loss of coolant. 
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. 
125860 mi

C $200
Exhaust leak/noise due to corroded flex pipe connection. Replace flex pipe. 
127720 mi

C $160
Replaced seized rear brake rotors and pads 
141360 mi

C $420
Replace front left wheel bearing Replace exhaust flex pipe 
141860 mi

C $300
Replace failed left rear wheel bearing 
143220 mi

C $240
Rear wheel bearing 

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2001 Audi A4 4dr Sedan

turbocharged 170hp 1.8L I4 5-speed manual AWD

116900 mi

US $1500
Replaced manifold discharge pipe 
166780 mi

C $400
One front and one rear wheel bearing 
168640 mi

C $320
Replaced original alternator with re-manufactured alternator 
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. 
110000 mi

US $500
New wheel bearing and tie rod ends. 
144000 mi

US $2000
new shocks springs wheel bearings control arms tie rods 
155000 mi

US $100
axle fell out, then cheap aftermarket replacement part exploded two weeks later fixed axle myself, back on the road 

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2001 Audi A4 4dr Sedan

190-horsepower 2.8L V6 5-speed manual AWD

127000 mi

US $313
Flex pipe Exhaust leak right side 
134000 mi

US $100
License plate light assembly corroded and replaced 
153000 mi

US $800
rear calipers frozen effecting emergency brake. had to replace pads, caliphers and rotors 
161700 mi

US $1050
Catalytic converter replacement 
168000 mi

US $2100
Replaced worn clutch 
174700 mi

US $880
Coolant leak 
180400 mi

US $906
New Brakes, rotors, calipers 
188000 mi

US $580
exhaust piping 
190000 mi

US $489
Rear Springs 
219000 mi

US $650
Replaced Alternator 
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 
119000 mi

US $500
Replaced both tie rod ends and the CV axle 

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2001 Audi A4 / S4

Engine not specified

83000 mi

US $1600
Suspension, control arms. 

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2001 Audi A4 / S4 4-door

6-cylinder manual AWD

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. 
137000 mi

US $300
Replaced front CV joints, axles. 

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2001 Audi A4 / S4 / RS4 4-door

turbocharged 6-cylinder manual AWD

102000 mi

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

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2000 Audi A4 4dr Wagon

turbocharged 150hp 1.8L I4 5-speed manual AWD

131000 mi

US $550
Replaced coolant thermostat  
138000 mi

US $800
AC Compressor replacement 
145000 mi

US $1000
AC TENSIONER and BELT REPLACED Front Control arms replaced. A known weakness of this car. Second time they have been replaced on this car, although this time was sooner than expected due to Chicago potholes. 

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2000 Audi A4 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

103000 mi

US $500
Front Control Arm. 
110000 mi

US $1000
One valve cover had a small leak, replaced both valve cover gaskets while in there for timing belt. 
122000 mi

US $400
replace front right axle - torn boot. replace rear right wheel bearing. 
193000 mi

US $3000
Replace leaking turbocharger 
205040 mi

US $1100
Fuel pump Fuel relay Coolant expansion tank replace 
205969 mi

US $411
O-Ring replacement by A/C dryer, A/C recharge. 
206000 mi

US $500
Slave cylinder 
206000 mi

US $900
Emissions - leak detection pump & filter for gas tank. 
75000 mi

US $3000
Removed engine & transmission to replace clutch and all mounts. Replaced timing belt & water pump. Cleaned up all turbo "plumbing." 
81000 mi

US $200
Plastic clips for window regulator broke. HVAC cage fan broke (motor still good, but entire unit has to be replaced). 
85000 mi

US $180
replaced starter 
71000 mi

US $160
fuel evap canister leak 
72000 mi

US $194
Engine had a plugged vacuum line which caused rich and lean running conditions. 
77000 mi

US $1300
ac compressor mounting bolts broke off. ac compressor then seized and required replacement. 
92000 mi

US $3000
fixed oil leak from one cylinder head. 
40300 mi

C $500
Both front steering control arms had excess play which was noticed going over bump on road. 
49600 mi

C $1800
Replaced 2 oxygen and 1 temperature sensors. Replaced 1 windshield washer pump. 
59520 mi

C $3400
2 ball joints, 1 lower control arm. 2 rubber boots for front drive shaft. 
71300 mi

C $1500
Rear brake - rotors, pads and calipers. Oil change. 
71300 mi

C $230
ABS module failed. Owner removed module, sent to Module Master to repair. Received 2 weeks later and successfully reinstalled repaired module. 
74400 mi

C $140
Fuel filter was leaking, repaired same day. 
75720 mi

C $3000
Front bearings and rear bushings Rocker cover gasket leak 
77500 mi

C $180
Replaced driver side door mirror. The mirror's reflective surface and night anti-dazzle finish deteriorated on the driver's side. Two of my friends with Audis say they had the same problem on one side or the other. 
77500 mi

C $1000
Car would yaw when drive on snow at 50 km/hr since the ball joints were wore. Replace front and back ball joints and aligned. 
78000 mi

C $250
Replaced battery 
79980 mi

C $400
Replaced dashboard LED display with a reconditioned unit. 
69000 mi

US $800
Replaced both ignition modules. 
94300 mi

US $3800
oil leak coolant leak 
112000 mi

US $310
Turbo pressure hose was replaced. 
113000 mi

US $1500
Replaced ABS Controller Module. Replaced two stabilizer parts from the front end. Replaced ABS Controller Module and two stabilizer parts from the front end.  
136400 mi

C $3000
It blew out a power steering hose. Then because I ran it dry they had to replace the rack and power steering pump. 

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2000 Audi A4 4dr Sedan

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

71000 mi

US $2000
Replaced valve cover gaskets. Found RH turbo leaking oil. 
72000 mi

US $145
Front right outer tie rod end had excessive play. Replaced both outer tie rod ends and took vehicle for alignment 

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2000 Audi A4 4dr Sedan

turbocharged 150hp 1.8L I4 5-speed manual AWD

181000 mi

US $100
Replaced leaking coolant pump. 
185300 mi

US $700
Fuel pump replacement 
190500 mi

US $240
Replaced front right outer CV boot. 
193000 mi

US $400
Front O2 and MAF sensors replaced. 
189800 mi

US $400
replaced valve cover gasket and chain tensioner. 
211300 mi

US $200
coolant flush 
218700 mi

US $400
coolant flange leaked 
225000 mi

US $500
Both front wheels bearings were relaced. 
236000 mi

US $1100
Oil pump and oil pan 
247000 mi

US $250
Rear wheel bearing was replaced. 
128000 mi

US $350
motor misfire on cyl#2.Tech swapped injectors&ignition coils before finding 30psi lower compression on#2.Audi dealer did same thing&wanted to pull cyl head@$500 just to remove. Declined this. Friend&I-changed MAF.CEL-gone!Safetyinspectionok 
132000 mi

US $250
Breather assembly and o-rings, hose were dried and cracked, leaking oil underneath the intake manifold Replaced assembly. 
130039 mi

US $250
Catastrophic engine failure@70mph on Hwy. #2 con rod broke in half,cracked both sides of block & oil pan. Block is gone timing belt was still attached,cylinder head fine, motor rotates ok. #2 crank journal good. Rod Fatigued-$4K estimated 
132000 mi

US $3000
Engine Rebuilt from broken con rod last year. Rebuilt head, new eagle rods, main and rod bearings, piston rings, all gaskets, single mass flywheel clutch pressure plate, oil pump,2 intake,1 exhaust valve on #2 cyl replaced, self built. 
137265 mi

US $200
Replaced MAF sensor $50 used. Original sensor lasted only 15,0000 miles since previous replacement.  Also replaced oil cooler, hoses and clamps. Cleared CEL codes CEL error code P0102 low signal Mass Flow Meter. Strange because had replaced this 15,000 miles ago. Bought used MAF for $50. Changed coolant tank(old and yellow), new oil cooler and hoses/clamps changed. Cleared trouble codes-car runs great 
166780 mi

C $1700
Engine was not warming up, installed a new thermostat. ABS light comes on once in a while and the brake light blinks at the same time. Shop told me that the brakes are working fine but the communication problem between the ABS system and the computer module causes the lights to come on. 
169880 mi

C $1700
Noise from rear driver side, needed a new wheel bearing. 
177320 mi

C $260
Clunking noise when going over the bumps. Replaced passenger side control arm. 
188480 mi

C $200
Replaced driver side window regulator. 
124700 mi

US $1500
The power steering rack had an existing problem leaking very little if any hydraulic fluid. Up until 2 months ago, the power steering was leaking very bad and was making a noticeable noise. Replaced power steering pump, hoses and coil rack. 

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2000 Audi A4 4dr Sedan

190-horsepower 2.8L V6 5-speed manual AWD

113200 mi

US $957
Leaking coolant. Replaced heater core. Smoke from hood indicated burning oil. Replaced valve cover gasket & cam adjuster gasket, cam plug. 
124000 mi

US $1070
ABS control module reported a fault (Indicator light.) Occasional pulsing through brake pedal. Required complete replacement of the module. 

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2000 Audi A4 4-door

turbocharged 4-cylinder automatic AWD

47000 mi

US $600
Cam tensioner gasket seal. Rear diff seal leaking. 
47000 mi

US $300
Crank case breather tube/pcv valve needed replacing. Dipstick tube replacement. 
49000 mi

US $1000
Water pump leaking, thermostat malfunction. Tie Rod ends 
51000 mi

US $300
Headlight washer pump failed, all fluid leaked out, another thing that will fail if you have this car long enough bad wheelbearing, typical for this car. 

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2000 Audi A4 / S4

Engine not specified

132000 mi

US $1733
Complete A/C compressor failure. 

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2000 Audi A4 / S4 4-door

4-cylinder automatic AWD

171000 mi

US $3480
wheel bearing failed. 

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1999.5 Audi A4

Engine not specified

88000 mi

US $1650
Oil leaks persistent since  

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1999.5 Audi A4 4dr Wagon

turbocharged 150hp 1.8L I4 5-speed manual AWD

104000 mi

US $120
Damaged flex/downpipe 
113000 mi

US $800
A/C Compressor failed 
115000 mi

US $200
Broken downpipe, replaced with new one under product warranty 
117000 mi

US $2000
Front left wheel bearing started to "hum" Front right, back right, back left wheel bearings. Rear diff seals leaking.  Valve cover and cam seals leaking oil. 
124000 mi

US $400
Turbo wastegate failed. Replaced turbo with used K04 turbo. 
142000 mi

US $250
Broken flex downpipe 
142200 mi

US $1000
Broken spring. Replace entire suspension with coil overs 
169900 mi

US $160
Replaced cylinders 3 & 4 ignition coil packs. Coil packs 1 & 2 previously replaced. 
166700 mi

US $1200
Steering rack leaking fluid. Fluid built up behind seals, not actually outside of sealed rack yet. Tie rod ends worn. Driver's door lock actuator froze. Part replaced. 
177000 mi

US $700
Replaced worn left rear wheel bearing. Replaced torn right front outboard CV boot. Right front wheel bearing in need of replacement - parts back ordered. 
178000 mi

US $390
Replaced worn R/F wheel bearing 
179600 mi

US $305
Replaced mass air flow sensor 
182500 mi

US $380
Replaced dysfunctional windshield wiper stalk (switch/relay unit). 
183000 mi

US $575
Alternator failed, original part with ~183,000 miles. 
184600 mi

US $380
Replaced dysfunctional windshield wiper stalk (switch/relay unit). 
187000 mi

US $127
Coolant inlet hose connection to valve cover. 
188000 mi

US $100
Door lock system vacuum pump failed. Replaced w recycled part. 

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1999.5 Audi A4 / S4 / RS4 4-door

turbocharged 4-cylinder manual AWD

78000 mi

US $240
Window regulator failed. 
86000 mi

US $140
Torn CV boot, drivers front axle. Axle required replacement due to damage to the CV joint. 
90000 mi

US $1500
A/C Compressor destroyed itself, requiring replacement of a number of parts.  Replaced valve cover gasket - leaking from rear of engine. 
91000 mi

US $400
fuel pump leaking, bent outlet pipe. replaced with new one. 
97500 mi

US $500
two window regulators failed. now have all 4 working windows. used independent mechanic 
102000 mi

US $500
fuel leak out of top of tank - the cap on the tank failed, causing a rather large leak 

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1999 Audi A4 4-door

turbocharged 4-cylinder manual AWD

83000 mi

US $1300
Suspension fix. 
84000 mi

US $500
ABS and light intermittently on. 
86000 mi

US $1000
ABS light would turn on randomly while driving. ABS control system replaced. 

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1999 Audi A4 4-door

6-cylinder automatic AWD

223600 mi

US $1200
replaced upper & lower control arms 

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1999 Audi A4 / S4 4-door

6-cylinder manual AWD

170700 mi

US $1600
Steering rack decayed. 
185000 mi

US $1600
Also air sensor fried Needed new thermostat (requires removal of timing chain). 
188200 mi

US $1000
Cam seals redone; transaxel seals redone. 

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1999 Audi A4 / S4 4-door

4-cylinder automatic 2WD

182000 mi

US $855
Vehicle faulty codes indicate a malfunctioning throttle body and secondary air induction system. 
193000 mi

US $340
Driver's side window regulator was said to be "binding internally", hindering window motion (though it could still be closed/opened). Regulator was replaced. Dealership service tech discovered torn outer CV boots, both side. Dealership service tech discovered leaky cam seals 
193000 mi

US $600
Replacement of both torn CV boots. Replacement of engine seal causing oil leak. 
201000 mi

US $1573
Ventilation motors and A/C Heat control unit failure, requiring replacement. 

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1998.5 Audi A4 4-door

turbocharged 4-cylinder automatic AWD

98000 mi

US $900
Ignition control block was replaced. 
99000 mi

US $650
Replaced master cylinder, front rotors and pads 
99000 mi

US $140
Oil leak at the oil filter housing gasket - oil light came on - replaced gasket. 
99000 mi

US $550
Rear spring broke, replaced both 
104200 mi

US $1200
MAF and oxygen sensor wheel bearing 

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1998.5 Audi A4 / S4

Engine not specified

137640 mi

C $1200
Rough idle. Relearned IAC motor and no further issues. Replaced all front ball joints. 
138900 mi

C $850
Oil cooler leak. 

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1998.5 Audi A4 / S4 4-door

6-cylinder manual AWD

98000 mi

US $1100
Air flow meters problem. Radiator was leaking 

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1998.5 Audi A4 / S4 / RS4 4-door

6-cylinder manual AWD

150000 mi

US $169
Replaced oil suction pump and associated tubing 
155000 mi

US $3500
replace both converters and flex pipe Timing belt, waterpump, cam tensioner seals, cam plugs,valve cover seals, front crank seal, basically the entire engine was resealed upper and lower links replaced front suspension 

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1998 Audi A4 / S4 4-door

6-cylinder manual AWD

166000 mi

US $550
Excessive play in tie rod ends. 
167000 mi

US $500
Brake light stayed on after E-brake released. Needed adjusted (so said the shop). 
167000 mi

US $300
Exterior Temp sensor bad. AC won't work when indicated air temp is -58F. Sensor replaced. 
170000 mi

US $750
Steering wheel clock spring (Air Bag light) was bad. Replaced. Discovered that anther SRS component was also faulty. 
187000 mi

US $3400
Items replaced: valve cover gaskets, cam seals, cam tensioner, water pump, timing belt, other odd parts + labor. 

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1997 Audi A4 4-door

turbocharged 4-cylinder manual 4WD

210000 mi

US $2000
My bearing went on my front passenger side, a repeated problem. Also Oil leaks have been a repeated problem, exhaust system issues, brake issues, and wheel and suspensions issues have been ongoing for few years. Gave car up 

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

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