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.
Intake Manifold Gasket May Leak Coolant or Engine Oil on Oldsmobile Cutlass Ciera
Average mileage: 126,481 (95,000–162,000)
Engines affected: 2.2L 4 Cylinder, 3.1L V6
8 people reported this problem
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Right now I just have the diagnosis of intake gasket failure. Coolant is mixed in with the oil.