1999 Audi A8 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Audi A8 Quattro
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1999 Audi A8 Quattro ProblemsCheck Engine Light and/or Engine Overheating Due to Failed Thermostat
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.
1999 Audi A8 Quattro QuestionsWhere is the plug located in the vehicle that would release the water? (2 answers)
As many others on this site, our Audi has started filling up with huge amounts of water when it rains....and dumping it on our feet and out the rear a/c vents etc. The plenum tray is clear....but we have been unable to locate the plug to release the water that is sloshing and gurgling around con...
The car has been leaking oil ever since we had it changed. I know that in some cars the plug has a compression seal that's a one time use. Is this the case with the Audi?
1997-1999 audi a8 quattro
4.2 iat sensor