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Malibu 3.1 Oil Cap Blew off


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a1handy2
User

Oct 19, 2021, 11:02 AM

Post #1 of 2 (116 views)
Malibu 3.1 Oil Cap Blew off Sign In

I j ust purchased an 02 Malibu with a 3.1 Ltr engine. The engine runs good but the coolant reservoir was leaking and when I replaced it the oil cap for the engine blew off. After looking at it further I discovered water in the oil (was not there before). Also there is not heat coming from the heater. The engine is not steaming nor does it misfire. Any suggestions other than changing the engine.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 19, 2021, 11:12 AM

Post #2 of 2 (114 views)
Re: Malibu 3.1 Oil Cap Blew off Sign In

This engine is known to get coolant in the oil 2 different ways.

1) Intake manifold gasket leaks
2) Blown head gasket or cracked head

Both are pretty common



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