2005 Pontiac Grand Prix GTP Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Pontiac Grand Prix GTP

2005 Pontiac Grand Prix GTP Problems

Noise from front section of supercharger
The supercharger may develop a noise in the front section of the supercharger assembly. The is due to a worn coupler. Our technicians tell us that a remanufactured coupler section is available from aftermarket suppliers.
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.

See More Problems (13)

2005 Pontiac Grand Prix GTP Questions

Heads up display won't work. Checked fuse. (1 answer)

how can i clear the "low brake fluid" warning? (2 answers)

i noticed when i was flushing my brake lines(i was doing that because i was changing my brakes and calipers and troubleshooting why i had no brakes) that a sensor was unplugged from my master cylinder. i plugged it back in (my master cyl. had been the cause and took it to a local shop (northshor...

Can a K&N air filter change the geometry of the airflow sensing? (1 answer)

My air filter was changed out to accomodate a K&N round filter, before i bought it, and twice i have almost catastrophic random cylinder firing error messages on the the message center. each time i have to pull over shut off the car and sit, then disconnect the battery to reset before contin...

See More Questions (7)