Question about 1999 Pontiac Grand Am GT
Known problem for v6 engine- get it fixed soon could cause major problems if internal leak into crank case, also make sure you get new upadet second design gaskets alsonet to clean & lock tight intake bolts or get new ones so this don't happen again
Posted on Sep 01, 2009
Testimonial: "I will be trading the car in this weekend, Thank you all for you helpful suggestions"
Your Engine has a upper and lower intakes the 3100(3.1L) and the 3400(3.4L) engines both had lower intake gasket problems.Coolant runs between the 2 heads thru the intake lower portion during the cooling cycling of the engine cooling system which involves your radiator,water pump,hoses,ETC. The black plastic and rubber coated gasket crack after a period of time and need to be replaced.
Posted on Aug 31, 2009
Testimonial: "thanks very much"
Usually intake has to do with the induction system, as in intake manifold , The intake manifold can have several types of leaks, the intake can have a vacuum leak, oil leak, coolant leak or a combination of any of the before mentioned....hope this helps,
Posted on Aug 30, 2009
Testimonial: "It is actually coolant leaking, I found out it is the manifold gasket that is leaking"
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Posted on Jan 02, 2017
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