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GMC Jimmy Problems

Intake Manifold Gasket May Leak Coolant or Engine Oil on GMC 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.

(8 people reported this problem)

GMC Jimmy Vehicles With This Problem

RepairPal Fair Price Estimate
$284-$418
RepairPal Verified
Average mileage: 105,000 (85,000–125,000)
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 2001
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Brake problem? Or maybe a faulty head gasket cylinder?
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Viewing 1-2 of 2 comments
THE INTAKE HOSE JUST CAME OFF WHILE IN A PARKING LOT THANK GOD. I COULDN'T GET THE JIMMY TO STOP I HAD TO STAND ON BRAKES. IT ALSO HAD A LEAK RAN BAD TILL I REPLACED THE O-RING.