90CS Quattro V6-2.8L (AAH) (1994)
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Crankshaft Main Bearing Seal: All Technical Service Bulletins
Engine - Oil Leaks From the Rear
Group: 17
Number: 94-04
Date: Aug. 1, 1994
Subject:
Engine Oil Leaks, Rear
Model(s):
All with Engine Code AAH
Condition
Oil leak from the rear of the engine.
Service
- Check condition of crankshaft rear oil-seal -1- for possible leaking, replace if necessary.
Note
Some upper engine oil leak symptoms appear to be rear crankshaft oil-seal leaks, see Technical Bulletin 94-02, Repair group 15 for additional in
formation.
A new oil seal flange may be included with the oil-seal kit. In this case, drain the engine coolant and install the new flange.
