Quote:
Originally Posted by the heap
Failing vacuum pump, allowing engine oil to be pushed into the air cleaner. Split diaphram on my older vacuum pump was the culprit.
Gerry
'77 300D, 408kmi
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this would be true if you have an older n/a 617, however, the OP has stated there is an oil separator in the air cleaner, that means he is driving a turbo 617, and the turbo's do not have a vacuum pump that dumps externally.
but this comment is valid for the thread as the OP did not state which car or what year vehicle he has!