Inspection of Water Pump and Timing Belt on Audi 100

The water pump may fail resulting in engine overheating and possible timing belt damage. Overheating and/or timing belt failure can result in very expensive engine repairs. As a precaution, it is recommended to inspect the timing belt and water pump at regular intervals.

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Average mileage: 160,000 (160,000–160,000)
Engine affected: 2.8L V6
3 model years affected: 1992, 1993, 1994
4 people reported this problem
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problem details
1993 Audi 100 - 2.8L V6 160,000 mi,
car gets hot no heat in heater. whe.n water gets hot I hear a thumping noise. soon after water wants to boil over. water don't seem to move through