Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 Pontiac Grand Prix STE, 3.1 T, AutomaticFACTORY OEM SERVICE PROCEDURE
Labor Times
Labor times are only available for a different vehicle variant.
Your variant: Grand Prix STE, 3.1 T, Automatic
Variant with labor times: Grand Prix LE, 2D Coupe, 2.3 D, 125C/MD9
Click here to view labor times for "Grand Prix LE, 2D Coupe, 2.3 D, 125C/MD9" instead
Your variant: Grand Prix STE, 3.1 T, Automatic
Variant with labor times: Grand Prix LE, 2D Coupe, 2.3 D, 125C/MD9
Click here to view labor times for "Grand Prix LE, 2D Coupe, 2.3 D, 125C/MD9" instead
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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