| 1 | 0 | 3 | 4 | 3 | 4 |
2000 Audi A6 / S6 / RS6 repairs by problem area
Engine (47%)
Transmission and Drivetrain (15%)
Brakes and Traction Control (6%)
Suspension and Steering (15%)
Electrical and Air Conditioning (11%)
Paint, Rust, Leaks, Rattles, and Trim (2%)
Other (4%)
Chart based on 228 repairs.
2000 Audi A6 / S6 / RS6 engine repair cost distribution
$2500+ (4%)
$1000 - $2499 (15%)
$500 - $999 (19%)
$100 - $499 (34%)
< $100 (28%)
Chart based on 94 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2000 Audi A6 / S6 / RS6
Engine not specified
| 130200 mi C $250 |
Oxygen sensor replacement |
2000 Audi A6 / S6 / RS6 4dr Wagon
200-horsepower 2.8L V6 5-speed shiftable automatic AWD
| 184000 mi US $306 |
Engine running very rough and check engine light came on. Checked the trouble codes with a diagnostic scanner, found misfiring on cylinders 3 and 5. Replaced all of the ignition coils and spark plug wires. |
| 186000 mi US $249 |
Oil was leaking from the cam chain tensioner gaskets on the engine and dripping onto the exhaust manifold, causing smoke and a burning oil smell to drift into the cabin. Took the car to my mechanic, who replaced the gaskets. |
| 196000 mi US $1500 |
Major coolant leak resulting from burst heater hoses. Towed car to shop and had hoses replaced. Coolant still leaking, albeit more slowly. Drove back to shop, and had an o-ring seal replaced under the intake manifold. While at it, also replaced bulging oil hose, brittle breather hose, and had throttle body de-carbonized. |
| 207000 mi US $150 |
Ignition coil failing, causing check engine light and rough running. |
| 208300 mi US $850 |
Fuel pump died. Replaced fuel pump and fuel filter. |
| 153000 mi US $500 |
replaced failed passenger side intake camshaft and 3 lifters, also along with this job valve gasket, camshaft tensioner gasket, cam plugs, half moon plug, timing belt, fan clutch, vacuum line, oil level/temp sender, oil pan gasket replaced |
| 84300 mi US $240 |
Replace Timing Belt, Water Pump, Tensioners, etc. and replace Cam Chain Tensioner seals and Valve Cover Gaskets. Radiator leaking. Secondary Air Pump Noisy-replaced Replaced all engine vacuum lines as they were very brittle. |
| 88200 mi US $70 |
Fan clutch always engaged. Replaced with new unit. |
| 86800 mi | Oil burning on exhaust again-passenger side. Upper engine seals already replaced, PCV working OK. |
| 91200 mi US $10 |
Replaced oil fill cap with updated design(has pressure relief valve) to reduce oil leaks. |
| 92000 mi US $240 |
flush power steering, new spark plugs, new front O2 sensors, new flex joints for exhaust, |
| 92000 mi US $100 |
Engine mounts worn and leaking fluid. Noise on transmission shifts. |
| 96000 mi US $100 |
Engine running rough after start. CEL came on once. Replaced coil pack. |
| 96000 mi US $127 |
CEL on. Insufficient Secondary Air Flow both banks. Ongoing problem, will not pass inspection. |
| 97000 mi US $56 |
Replace ignition switch-no crank condition due to low ‘run’ voltage. Replace rusted exhaust couplers Replace valve cover gaskets due to leaks. Repair hole in exhaust pipe (welded in new section). |
| 97000 mi US $85 |
Cylinder 2 and 4 misfire. Replaced coil pack again. Last one only lasted 1 year. |
| 97000 mi US $240 |
New OEM Secondary Air Injection pump installed to clear check engine light. This has been an ongoing problem as I tried to use aftermarket parts-they are junk. |
| 98000 mi US $100 |
Replaced Passenger side rear Catalytic Converter, Flex Joint, and pipe. Seal weld on converter was gone, and pipe had several holes from winter road salt. Replaced with Walker Calcat unit and fabricated pipe. |
| 98000 mi | Repaired Driver side rear Catalytic Converter and pipe by welding. Seal weld on converter was going, and pipe had a hole from winter road salt. Cleaned up rust and painted pipe. Should make it through winter, will replace next year. |
| 90000 mi US $450 |
P1423 & P1411 CEL codes. Both dealing with secondary air injection system (SAI). Told dealer that independent shop identified clogged SAI port in head. They reattached a hose and replaced another. CEL one week later - same code. |
| 91000 mi US $600 |
Same as previous. Dealer has no clue. |
2000 Audi A6 / S6 / RS6 4dr Sedan
turbocharged 250hp 2.7L V6 6-speed manual AWD
| 170000 mi US $600 |
Coolant temperature sensor o-ring replaced. |
| 75000 mi US $1700 |
Camshaft cover seals were leaking oil. Had the seals replaced plus timing belt, water pump, timing belt tensioners. |
| 114000 mi US $700 |
Air pump failed causing vehicle to overheat. |
| 156000 mi US $2100 |
Timing belt and all associated accesories replaced, new secondary air injection pump installed, egt sensor replaced (under warranty, it failed due to secondary air injection pump failure), spark plugs replaced. Car was towed due to engine flooding. |
| 83700 mi C $600 |
Head gaskets leaking, apparently a common issue |
| 89900 mi C $400 |
Car was missing, diagnosed as ingition modules, bought used ones for $50 each out of an S4 |
| 147000 mi US $300 |
Strong smell of antifreeze. Pulley squealing. Found leaking water pump. Did complete timing belt change while car was stripped down. |
2000 Audi A6 / S6 / RS6 4dr Sedan
turbocharged 250hp 2.7L V6 5-speed shiftable automatic AWD
| 199000 mi US $250 |
Just needed new spark plugs. Originally thought coils were bad because of mis-fire codes on 2 cylinders. |
| 75000 mi US $750 |
There is a recurrence of a leak in the cooling system evidenced by dry expansion tank. Had to find leak--in seals of pump replaced 18 months ago--and replace aging hoses. |
| 83000 mi US $2750 |
Had leaking water pump and leaking oil cooler replaced - ended up going to the timing belt replacement while I was there - added to current cost, but was going to do it in 6 months anyway. |
| 89000 mi US $1400 |
Leak developed due to degradation of seals around turbo - that's what I was told. Leak was not severe, empty coolant tank resulted from 3 months of driving. |
| 104000 mi US $1280 |
Leaking valve cover gasket - replaced both sides. Leak around thermostat. Much labor required to access this part of engine. |
| 117000 mi US $650 |
Exhaust gas temp sensor went bad, tripped OBD and had to be replaced. |
| 121000 mi US $1500 |
Aux water pump replaced for 2nd time. Also 2 leaking hoses replaced. |
| 146200 mi US $380 |
Replaced cracked air intake bellows and related pieces. |
| 148100 mi US $1400 |
Engine blew main crankshaft seal |
| 148000 mi US $560 |
Auxiliary water pump failed. Had to get a new one. Now main water pump broke. New one put in. |
| 109800 mi US $300 |
Engine Temperature Sensor |
| 183000 mi US $20 |
Replaced cam adjuster seals as they were leaking oil. |
| 197000 mi | Repaired exhaust system hangers. |
2000 Audi A6 / S6 / RS6 4dr Sedan
300-horsepower 4.2L V8 5-speed shiftable automatic AWD
| 135000 mi | Evap-Purge Valve Failure Temp Sender & Sensor Failure Front Crankshaft Seal failed. Replaced Timing Belt & Waterpump |
| 140000 mi | Oil Leak |
| 143000 mi US $100 |
Oil Cooler Leak Brake Line Ruptured CV BOOT KIT NEEDED |
| 150000 mi US $110 |
Exhaust Flex-pipes again! - last replaced a year ago! |
| 155300 mi | Fan Clutch (Overheat warning) |
| 157000 mi US $300 |
Replaces Flex pipes in exhaust - again - they seem to last between one and two years. |
| 160200 mi US $500 |
Overheating condition - Required running heat at full stop. Coolant Pressure test detected 2 year old water pump was leaking. Replaced water pump again, along with thermostat, timing belt and tensioner. |
| 161200 mi | System re-bled, coolant & radiator core retested. Result - head-gasket = OK. Another shop suggested it is a head gasket problem. Another shop suggested they should look for a slight leak... |
| 162000 mi | Exhaust Flex pipes previously installed had failed welds needed to be redone. |
| 104000 mi US $276 |
Crankcase vent valve bad-replaced, reset Check Engine Light. Replaced Mass Air Flow Sensor, Installed new Brake pads |
| 137000 mi US $61 |
Coolant pipe from engine to Oil Cooler began to leak |
| 69000 mi US $366 |
Surging issues on cold starts but no CEL. Problem was solved by cleaning out the throttle body. No new parts.*** |
| 106000 mi US $1265 |
Crack in oil cooler causing coolant to leak: problem repaired by replacing oil cooler |
| 113500 mi US $300 |
Faulty evap purge valve causing CEL. Replace valve. |
| 135000 mi US $700 |
Replaced valve cover gaskets |
| 194000 mi US $3000 |
Coolant leak on the passenger side of engine. Replaced water pump, timing belt, etc. Coolant leak was result of failed (plastic) fitting. Check engine light. Diagnosis showed that the driver's side catalytic converter needed to be replaced. |
| 132000 mi | Oil pump died, caused camshaft to seize, destroying valves and pistons |
| 167000 mi US $2200 |
Replaced catalytic converter |
| 89000 mi US $2200 |
oil leaks |
| 66960 mi C $350 |
oil cooler seal leak |
2000 Audi A6 / S6 / RS6 4dr Sedan
200-horsepower 2.8L V6 5-speed shiftable automatic FWD
| 157000 mi US $150 |
Plastic T from coolant expansion line -reservoir split lost most of coolant, replaced T, coolant system flush , new coolant. |
| 160000 mi US $960 |
3 engine mounts failed, replaced them. |
| 165000 mi | check engine light. code is for emissions leak, car has occasional poor idle / stalls, hesitates on heavy acceleration |
| 179000 mi US $685 |
cracked radiator |
| 207000 mi US $86 |
oil pan cracked |
| 125000 mi US $2500 |
radiator hose replaced, |
2000 Audi A6 / S6 / RS6 4dr Sedan
200-horsepower 2.8L V6 5-speed shiftable automatic AWD
| 75000 mi US $23 |
took car into audi dealer - wanted to replace all engine seals - $1600. searched web and found PCV valve was defective causing pressure on top of engine causing leak. replaced PCV myself, problem fixed. |
| 121000 mi US $186 |
Coolant recovery tank leaks, requiring frequent top off of coolant; if low, will trigger warning light for temperature. Was replaced with new tank. |
| 136000 mi | Coolant recovery tank leaked fluid, frequently causing low coolant warning light to go on. Replaced new coolant recovery tank. |
| 136500 mi | Experienced constant coolant leakage, have to top off coolant every other day. Shop found faulty or missing O-ring by coolant level sensor and replaced at no charge (goodwill due to long and good relations). |
| 136839 mi US $461 |
Replaced air pump to fix CEL light status. However, CEL still pursists |
| 137213 mi US $90 |
Determined catalytic converter the cause of check engine light. Took a week to diagnose. Waiting for part to arrive. Rapid rise in engine temperature on gauge and warning light flashes on. Resolved by replacing faulty coolant temperature sensor. Catalytic converter ordered, found out it did not fit. Got car returned. changed water temperature sensor |
| 139000 mi | Replaced catalytic converter but check engine light came on again less than hour leaving shop. Car overheated. Replaced water pump; at same time, also replaced timing belt. |
| 139300 mi US $1492 |
After extensive diagnosis, found that ECU had to be replaced. Then O2 sensors went bad; these were replaced under warranty since they were replaced in Dec. 2009. |
| 138000 mi US $100 |
Fuel pump supply nozzle made of plastic. It broke due to some stress, smelled fuel. Attempted to remove fuel tank, however due to rear axle having to be removed for tank to be removed, gave up and glued the plastic nozzle back on and it's OK |
| 69800 mi C $1500 |
Emissions: Replace left side catalytic converter Replace timing belt etc |
| 96000 mi US $35 |
Coolant temp sensor. |
| 127000 mi US $100 |
Coolant expansion tank cracked |
| 186000 mi US $800 |
Camshaft bearing seal failing. Oil saturation of the timing belt required its replacement also. Felt that as long as that was being done might as well replace the water pump. |
| 75320 mi C $300 |
Oxygen sensor. |
| 77580 mi C $300 |
Leaking coolant hose. |
2000 Audi A6 / S6 / RS6 4dr Sedan
200-horsepower 2.8L V6 5-speed manual AWD
| 218000 mi US $1860 |
head and valve gaskets |
2000 Audi A6 / S6 / RS6 4-door
turbocharged 6-cylinder automatic AWD
| 88000 mi US $620 |
Car smoking heavily from tailpipes on startup; engine misfiring, required tuneup and other engine tweaks. |
| 88000 mi US $3500 |
Engine had fuel injection problems. |
2000 Audi A6 / S6 / RS6 4-door
8-cylinder automatic AWD
| 106020 mi | The vehicle started leaking oil from the head gasket, check engine light (misfire) indicated a problem with the valves not seating properly, loss of compression in two cylinders. Total estimated cost for this and other problems $12,000. Traded car. |
2000 Audi A6 / S6 / RS6 4-door
6-cylinder automatic AWD
| 87000 mi US $1800 |
Timing belt, water pump |
| 98000 mi | When traded...O2 sensor malfunctioning despite all 4 sensors changed in 80K miles leading to appalling gas milage (10 in town, 18 highway) 2.8L engine slowly burning oil |
2000 Audi A6 / S6 / RS6 4-door
4-cylinder automatic AWD
| 72000 mi US $600 |
Check engine light on - sensor that controls spark plugs replaced. |
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