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.
2008 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Installation Procedure
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
- Install the BCM.
- Install the BCM wire harness connectors.
- Install the BCM screws.
Tighten: Tighten the screws to 2.5 N.m (22 lb in).
- Install the right console trim panel. Refer to Front Floor Console Side Trim Panel Replacement - Right Side .
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
- For a new or remanufactured BCM, setup the BCM. Refer to Control Module References .
NOTE:
Refer to Fastener Notice
.
Factory Service Tools
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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.