Pontiac Grand Prix Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Pontiac Grand Prix
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Pontiac Grand Prix ProblemsTransmission Pressure Control Solenoid Failure May Cause Erratic Shifting
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
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.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
Pontiac Grand Prix QuestionsLost power to drivers door (1 answer)
I'm a mother of three and this is my only vehicle how much will it cost to fix and where do you think it's coming from
Pontiac Grand Prix RecallsEngine Oil Leaks Onto Exhaust Manifold
Engine oil can leak onto the exhaust manifold, causing a fire hazard. This concern was addressed in previous recall notifications, but improvements to the repair have been made. Dealers will make improved repairs free of charge to resolve the concern.
The headlights and daytime running lights may fail to operate. Dealers will replace the headlamp driver module free of charge to resolve the concern.
Excess weight on the key ring can cause the ignition switch to move out of the run position without warning, turning off the engine. This defect can also affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. Dealers will provide two replacement key rings and key cover on all ignition keys to correct this concern.