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
|
I'm having similar issues. Can you describe the path from the vac pump to the air box? I'm having trouble envisioning 1) why oil is in the vac pump in the first place, and 2) How it migrates from there into the air cleaner.
Thanks