GMC
Rally Wagon 1500
4

Intake Manifold Gasket May Leak Coolant or Engine Oil on GMC Rally Wagon 1500

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.

Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem