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 Chevrolet Uplander V6-3.9LFACTORY OEM SERVICE PROCEDURE
Power Seat Control Module: Service and Repair
Sit-N-Lift Control Module Replacement
Removal Procedure
1. Remove the upper seat trim. Refer to Sit-N-Lift Upper Trim Replacement (Sit-N-Lift Upper Trim Replacement).
2. Remove the fasteners from the module bracket.
3. Disconnect the electrical connectors from the module.
4. Remove the module from the seat base.
Installation Procedure
1. Align the module with the seat base and connect the electrical connectors to the module.
Notice: Refer to Fastener Notice (Fastener Notice).
2. Install the module bracket and secure with fasteners.
Tighten the fasteners to 2 N.m (18 lb in).
3. Test the module for proper operation.
4. Install the upper seat trim. Refer to Sit-N-Lift Upper Trim Replacement (Sit-N-Lift Upper Trim Replacement).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
