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GMC S15 Jimmy Problems

Intake Manifold Gasket May Leak Coolant or Engine Oil on GMC S15 Jimmy

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.

(2 people reported this problem)

GMC S15 Jimmy Vehicles With This Problem

RepairPal Fair Price Estimate
$316-$394
RepairPal Verified
Average mileage: (–)
2 model years affected: 1990, 1991
Not Your GMC S15 Jimmy Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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