2003 Pontiac Grand Prix Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Pontiac Grand Prix

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2003 Pontiac Grand Prix Problems

Erratic 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.

Intake Manifold Gasket 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. 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.

High Pressure Power Steering Hose Can Leak Fluid

The high pressure power steering hose will commonly leak fluid; it should be replaced.

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2003 Pontiac Grand Prix Questions

engine 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

My ABS engages while driving, how do I fix this? (1 answer)

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're buying this just look it up and has a lot of recalls bad or not?what to do (1 answer)

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?

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2003 Pontiac Grand Prix Recalls

Engine 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.

Recall 09V116000
GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L V6 NATURALLY ASPIRATED ENGINE. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH D...
Recall 08V118000
GM IS RECALLING 207,542 MY 1997-2003 BUICK REGAL AND PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L SUPERCHARGED V-6 ENGINE. THESE VEHICLES HAVE HIGHER FRONT ROCKER COVER GASKET TEMPERATURES, CREATING THE POTENTIAL FOR EARLIER DEGRADATION OF THE FRONT ROCKER COVER GASKET AND EVENTUAL OIL SEEPAGE.

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