Audi A6 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Audi A6 Quattro

Audi A6 Quattro Problems

Overheating Due to Failing Thermostat

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

ABS Light Due to ABS Control Module Failure

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

Oil Leak From Transmission Output Shaft Seal

A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.

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Audi A6 Quattro Reviews

For a year I took my a6 4.2 to the dealer several times because a low coolant light continued to come on. I eventually gave up on y40 mile round trip to Annapolis to DC for this problem. I just kept g12 coolant in the trunk. It eventually was fixed by a service shop that I took it to for oil leaks. Now I have another oil leak. But it only leaks when its parked over night. Another dealer s...
Some plastic fittings on the front passenger seat have failed. Several painted surfaces on the headlight switch, mirror switch and heating and A/C controls have worn off. The radio on/off button has come off. The front suspension needs relatively frequent repairs. The roads are terrible around here. Water pump and oil cooler replace at different times. The latter repair VERY expensive.
This is an Exciting lovely roomy car, and good mpg.on a drive 42 mpg, according to the in car computer. I need to buy a additional ignition key, and the Audi dealer wasn't £240.00. I hpope there is another way.

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