One problem related to water pump has been reported for the 2000 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Audi A6 based on all problems reported for the 2000 A6.
The car makes a whining noise on cold start. It has been in for repairs since March 2, 2002. Zaumbach of manhattan has replaced the engine, turbos and water pumps due to possible leak. They cannot repair the car, they say the noise is still present. No one knows what the problem is and it may be dangerous.