1992 GMC C1500 oil blow by

CGAY

MEMBER
1992 GMC C1500
V8
2WD
AUTOMATIC
140,000 MILES

What would cause oil to be forced out of the oil fill and dipstick in this particular engine?

Sunday, January 27th, 2008 AT 11:33 AM

1 Reply

MERLIN2021

MECHANIC
17,250 POSTS

High crankcase pressure. Do a compression test, it's either bad rings, or head gasket problem.

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Sunday, January 27th, 2008 AT 11:37 AM

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