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Chevrolet G Series Van (G30) Problems

Intake Manifold Gasket May Leak Coolant or Engine Oil on Chevrolet G Series Van (G30)

Problem Description and Possible Solution

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.

(11 people reported this problem)

Chevrolet G Series Van (G30) Vehicles With This Problem

RepairPal Fair Price Estimate
$267-$391
RepairPal Verified
Average mileage: (–)
Engines affected: 5.7L V8, Gasoline
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998
Not Your Chevrolet G Series Van (G30) Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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