blown head gasket

Asked by Mar 30, 2016 at 11:34 AM about the 2003 Pontiac Montana MontanaVision Extended AWD

Question type: Maintenance & Repair

They did a pressure test a the shop that's how I
found out it was the head gasket, but
anothermachic told me the motor was gone
because the oil and antifreeze mixing together.  I
thought that only happena when u have a blown
head gasket

1 Answer

5,645

I'm not sure what you are asking but a blown head gasket can cause oil and antifreeze to mix together in the oiling system and/or the cooling system. but just because a head gasket blows, that doesn't guarantee this symptom. you can blow a head gasket and the coolant never makes it to the oiling system

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