Pontiac Grand Prix GTP Problems

RepairPal has identified the most common problems with the Pontiac Grand Prix GTP as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

Refine by vehicle
Choose your vehicle
Known Problems
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct this condition.

An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.

Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

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

One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.

The steering may develop a clunk type noise from the upper intermediate steering shaft.  Our technicians tell us that you should check with your local GM dealer to find out what the latest repair is for this condition.