2004 Audi A6 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Audi A6

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2004 Audi A6 Problems

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.

Flasher Relay Failure Can Cause Erratic Turn Signal Operation

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

Maintain Fuel Quality to Avoid Misfires and CEL Illumination

Fuel quality must be maintained to avoid engine misfire problems; the misfires may cause the Check Engine Light to illuminate.

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2004 Audi A6 Questions

when I turn my car on why will the radio not get any power (1 answer)

alternator replacement (1 answer)

How much will it cost to replace my alternator, parts and service

Fuel Pump replacement (1 answer)

I need to know if there is another way to change the fuel pump with out dropping the tank. It seems like alot of work just to drop the tank. Im hoping someone has figured out an easier way than having to take the car completely apart just to drop the tank.

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2004 Audi A6 Recalls

Potential Fuel Leak From Crack at Rollover Valve

The aging of the plastic material in the fuel tank rollover valve, combined with stress from the aluminum ventilation line attached to it, may lead to cracking of the connection nipple. The cracked nipple could leak fuel, increasing the risk of a fire. Dealers will reinforce the nipple on the rollover valve or repair the cracking as necessary. This recall is expected to begin during June 2011. The Audi recall number is 20L8/JY.

Recall 06V198000
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH HALOGEN LOW BEAM HEADLIGHTS, CERTAIN CONNECTOR PINS IN THE HEADLIGHT SWITCH CONNECTOR COME INTO CONTACT WITH EACH OTHER CAUSING A SHORT CIRCUIT. NOTE: VEHICLES WITH XENON LOW BEAM HEADLIGHTS ARE NOT AFFECTED BECAUSE THE CIRCUIT IN THESE VEHICLES CONT...
Recall 04V133000
ON CERTAIN PASSENGER VEHICLES, IF A DRIVER'S KNEES PUSH AGAINST THE KNEE BOLSTER (CRASH ELEMENT) LOCATED UNDER THE DASHBOARD, IT CAN CONTACT THE HEADLIGHT SWITCH WIRING HARNESS, AND AN ELECTRICAL SHORT COULD OCCUR.

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