2003 Pontiac Grand Prix Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2003 Pontiac Grand Prix
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2003 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.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
2003 Pontiac Grand Prix Questionsengine rolls over but will not start. changed cam sensor changed crank sensor an (1 answer)
and coil module had coils checked still will not start any clues? It was going around the corner and stalled hasn't started since.HELP
I have replaced a bad hub bearing and cleared the codes that indicated it was bad. The ABS still engages while driving and when I brake in non hazardous conditions. Tried hooking it up to a scanner but the car shuts the scanner off, any suggestions on how to repair?
We just started buying it and today I look it up and it has all these recalls did we just get a lemon?the place were we are getting it we got a 30,000 mile warranty on it what to do?
2003 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.