1999 Audi A8 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Audi A8 Quattro

1999 Audi A8 Quattro Problems

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

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.

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1999 Audi A8 Quattro Questions

1997-1999 audi a8 quattro
4.2 iat sensor
ecu

Do you put the refrigerant on the high side or low side. Or can you provide a diagram?

Thanks

feels is shifting between gears

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1999 Audi A8 Quattro Recalls

VOLKSWAGEN IS RECALLING 13,900 MY 1996-2003 AUDI A8 VEHICLES EQUIPPED WITH A 5-SPEED AUTOMATIC TRANSMISSION. THE LOCKING CABLE MAY MOVE OUT OF POSITION OVER TIME. WITH THE LOCKING CABLE OUT OF POSITION, THE SHIFTER CAN BE MOVED OUT OF THE "PARK" POSITION EVEN IF THE IGNITION KEY IS NOT IN THE I...

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1999 Audi A8 Quattro Reviews

Bought my "dream car" from a dealer in Cleveland. Two weeks after, the transmission needed to be rebuilt (later found out that the tranny in the car was a refurbished one from some time ago). This is a Z type tranny which I now know is one of the most complicated trannys out there. One year after rebuild ($4200), the SAME issues happened again. Transmission shop now says the sensors inside are ...

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