Pontiac Firebird Problem Report

Pontiac Firebird Intake Manifold Gasket May Leak Coolant or Engine Oil

(10 reports)

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

Almost everyone I know with the GM 3.8 has had this intake manifold gasket fail. I dont know why there are only 7 reports here. There is a mechanic in Portland that does nothing but these repairs all day long for used car dealers -
Oil in the radiator. -
cost me about $375 to get it fixed. -
Intake leaking oil. Dripped on distributor so I had to replace it as well. Lasted 20 years so not bad -
I have a manifold leak -
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