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.
Installation Procedure
2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Install the PCM to the PCM electrical connectors (4).
Tighten: Tighten the connectors to 8 N.m (71 lb in).
- Install the PCM and the wiring harness to the air cleaner housing assembly (3).
- Install the air cleaner housing cover (1).
- Install the air cleaner housing cover screws (2).
Tighten: Tighten the screws to 4 N.m (35 lb in).
- Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
- Install the left front inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) in Engine Electrical.
- The new PCM must be programmed. Refer to Control Module References in Computer/Integrating Systems.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.
RENDER: 1.0x
NO RELATED
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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.