Pontiac Grand Prix GTP Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Pontiac Grand Prix GTP
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Pontiac Grand Prix GTP ProblemsIntake Manifold Gaskets May Leak Coolant or Engine Oil
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.
The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue. RepairPal cannot confirm a recall for this concern on these models.
Pontiac Grand Prix GTP QuestionsI had a noise coming from my supercharger (I think) so replaced the supercharger and still have the noise which sounds like a bearing gone, also replaced head gasket at the same time, but now I have a ticking when engine is revd high..please help......... (1 answer)
Dies unless you keep it above 2500 rpm and stalls out when you stop