Car Problem Reports

Chevrolet 1500 Pickup Intake Manifold Gaskets May Leak Coolant or Engine Oil

Chevrolet 1500 Pickup Problem
75 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999

Engines Affected: 4.3L V6, 5.0L V8, 5.7L V8, Both Sides, Gasoline

Average Mileage: 140,047 mi (55,000 mi - 300,000 mi)


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.

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