Question about 1999 Pontiac Grand Am GT
Normally it is the head gasket not the manifold gasket that causes overheating, it does it by cracking and allowing water from the coolant system to be blown out of the exhust or get dumped into the sump.
When you start the car is there water coming out of the muffler
If not then dip the oil , is it like a thick chocolate milk shake
Final check is to take the cap off the radiator or header tank and see if there are lots of air bubbles coming up.
Any of the above means a shot head gasket
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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