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Crankcase pressure - PCV etc

dave225

New Member
Joined
Mar 30, 2025
Messages
1
Location
UK
Car
GLC
Got a question....GLC X253 300d, 23k miles and FMBSH (5 oil changes).
Took the engine oil cap off and was surprised by the pressure of the air coming out (and splashing oil). Much more than any other car I've seen.

Just this seem normal to you? Are your cars the same?
My other diesel (110k miles) is nothing like this - can't even feel any air coming out.

Opinions welcome.
 

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