2003 Pontiac Grand Prix GTP Repair and Maintenance

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

2003 Pontiac Grand Prix GTP Problems

Inspect transmission/fluid every 30,000 miles

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 then the transmission system should be completely flushed.

Serpentine Belt Tensioner Pulley May Wear Out

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.

Failed Fuel Pump Can Cause Engine to Stall

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

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