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OIL COMING THROUGH VALVE COVER TUB
1980 Mercedes Benz 300sd
October, 6, 2008 AT 1:52 PM
Engine Mechanical problem
1980 Mercedes Benz 300sd 6 cyl Two Wheel Drive Automatic 155000 miles
This is actually a 300D, not an sd (I think).I guess the subject about sums it up. What would cause oil to come up through valve cover tube and how do we fix it?
FOUND 393 RELATED QUESTIONS
Valve Cover Gasket
Crank / No Start After Replacing Valve C
October, 7, 2008 AT 1:41 PM
Thank you for the donation.
When engine blowby pressure is high, oil would be pushed out together with the ventilation gases.
The main cause would be worn piston rings and a clogged PCV.
To rectify the problem an engine rebuilt is required.
October, 7, 2008 AT 2:03 PM
Well, crap. Not worth the effort. I appreciate the help.
October, 7, 2008 AT 2:14 PM
You are welcomed.
Merc tends to have this problem for their older models.
to post a reply.
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