E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

vigorous Crankcase

Old 11-13-2015, 05:49 AM
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300CE 24v -92
vigorous Crankcase

MB 300 CE 24v-92




The crankcase ventilation is very vigorous and stop the Engine. If I take away the hose (the big one to the airfilter) from valve cover the Engine run fine but if I not take away the hose the Engine stop after 10 minutes. The Engine start only if I take away the hose again.


The kompression is very good over all 6. No oilconsume. Engine run very good, no other probleme.


People say there is a 2 mm hole in the intake pipe that can be filled. If the hole is stop it can be havy crankcase ventilation. Where is it?

Last edited by mb-novis; 11-13-2015 at 11:50 AM.
Old 11-14-2015, 09:09 AM
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300CE 24v -92
Today I did a leak-down test. 30-50% leak from the piston rings?


Can I change the rings without take away the Engine from the car?

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