GMC 1500 Pickup Problem Report

GMC 1500 Pickup Intake Manifold Gasket May Leak Coolant or Engine Oil

(25 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. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

coolant in engine oil. -
lower intake gasket leaking in front of engine right behind/below thermostat. coolant dripped onto tranny cooler lines and dripped off of oil pan by drain bolt. -
This was the second set! The first set was replaced at 60,000 miles with the same, problematic AC Delco gaskets. The second setrecently installed are the "improved" Fel-Pro brand gaskets. It is not a matter of "if" the gaslet is going to fail, but "when" is the gaslet going to fail. -
Very common on this vehicles, generally you will notice a coolant leak near the front of the intake manifold, above the timing chain cover. -
Coolant leaking at the back of intake manifold on the drivers side. -
had to get replaced in serria 1500and suburban 1500 1997 -
leaking coolant from driver side gasket at top / replaced -
Hello, it just started leaking at the back of intake manifold on the drivers side. -
intake gasket leaks -
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