1998 Pontiac Grand Prix GTP Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Pontiac Grand Prix GTP
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1998 Pontiac Grand Prix GTP ProblemsWater Pump May Fail PrematurelyIntake 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.
1998 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)
When the window is down on the driver's side the automatic locks will Unlock and keep trying to unlock them selves. Replaced the unlock module and cleaned the battery post and can't find a short anywhere
Felt hoses and feels like nothing is going through..