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2004 Audi A6 Quattro Repair and Maintenance

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

2004 Audi A6 Quattro Problems

A problem with the torque converter can cause the Check Engine Light to illuminate.

The digital display portion of the instrument cluster may fail. Our technicians tell us the entire instrument cluster will need to be replaced to correct this concern.

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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2004 Audi A6 Quattro Questions

My car was diagnosed with a bad brake switch the car drive anyway and then had an accident not related at all.. but the damage was to the under carriage oil pan area and since then my shifter will not move from park with battery connected with battery remove the shifter works fine So I think the ...

The lights come on intermitantly. Fuses have been replaced and contacts (fuse box and fuses) cleaned.

The volt meter is reading almost to the high red range.

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2004 Audi A6 Quattro Reviews

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.

i love my a6

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