2007 Pontiac Grand Prix Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2007 Pontiac Grand Prix
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2007 Pontiac Grand Prix ProblemsErratic Shifting of the Automatic Transmission
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.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
2007 Pontiac Grand Prix Questionswhy does my automatic 07 grand prix not go anywhere in drive or 3rd? (1 answer)
It just revs. I topped up the tranny fluid. Seemed to help a bit but not totally. Nothing seems to be leaking.
2007 Pontiac Grand Prix RecallsHeadlamps And Daytime Running Lights Fail
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.
On some vehicles, the fuel tank may be missing the adhesive that bonds the barrier layer to the outer shell. This may allow fuel and/or fuel vapors to leak out between the layers, increasing the risk of fire. Dealers will inspect the serial numbers on the fuel tank and replace it if needed. The recall began November 13, 2006. The GM recall number is 06160.