Pontiac Grand Prix Repair and Maintenance

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

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Pontiac Grand Prix Problems

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.

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Pontiac Grand Prix Questions

I have v6, leaks coolant to upper intake manifold how much to fix quoted 1300 (1 answer)

Leaking coolant in 3 locations upper intake manifold(2) and timing gasket or valve i believe. Is it cheaper to fix these issues if under $800 or buying a used engine i know that shouldn't cost more than 1200

What is fuel pressure psi (1 answer)


What causes this?I have to push the gas peddle to the floor for the car to move (1 answer)

Goes in reverse and forward I've been told its the transmission, transmission sensor, and catalyic converter....?

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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.

Headlamps And Daytime Running Lights Fail

The headlights and daytime running lights may fail to operate. Dealers will replace the headlamp driver module free of charge to resolve the concern.

Ignition Lock Cylinder Concern

Excess weight on the key ring can cause the ignition switch to move out of the run position without warning, turning off the engine. This defect can also affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. Dealers will provide two replacement key rings and key cover on all ignition keys to correct this concern.

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Pontiac Grand Prix Reviews

I love my Pontiac Grand Prix it is a great car to go back and forth to school in. I drive 30 minutes one way to school everyday and I only use half a tank of gas a week so for a six cylinder 3.8L that is great and I also go shopping and run for parts for my husband in it as well and am still only using half a tank a week. I just love this car and I am normally a Chevy person but I will keep thi...
My grand prix is a great driving car with 190,000 miles on it. Have replaced some parts but its better than having a car payment
I really need to know if I should try changing my resistor blower motor since my heat/AC stopped working when I turn it on high?

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