1991 Pontiac Trans Sport Problems

RepairPal has identified the most common problems with the 1991 Pontiac Trans Sport as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The spark plugs should be replaced every 30,000 miles and the spark plug wires checked for hot spots and cracks.

You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned, the transmission system should be completely flushed.

The front door window regulators and guides may become worn causing the door window glass to come off track.

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 and should be replaced if this is the case.

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.

The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.

The fuel pump may fail causing engine to stall and not restart.

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

The sliding door track and guides may become worn causing the sliding door to come off track.