Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment problems.
Problems for specific Audi A6 Quattro years:
Car problem reports
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Newest reported 1997 Audi A6 Quattro problems
I noticed my gas gauge wasn't working after I re-fueled. The speedometer gauge had not been working right for a while. It constantly kept going up and down. When I tried to get info from knowledge techs, I was told the Instrument Cluster had gone and would need a new one put in (which I know is pretty darn expensive. I did some research on my own. I found that there is a sensor that can go bad, that connects the gas and speedometer gauges...
Clogged drains can allow rainwater to accumulate in the plenum tray (at the base of the windshield). The water may leak into the vehicle's interior, brake booster, or electrical components, which can lead to major problems. Our technicians recommend keeping the tray clear of leaves, pine needles, and other debris.
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.