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
HVAC Control Module Replacement
HVAC Control Module Replacement
Removal Procedure
1. Remove the instrument panel (I/P) accessory trim plate.
2. Remove the HVAC control module bolts/screws.
3. Pull the HVAC control module straight out from the I/P.
4. Disconnect the HVAC control module electrical connectors.
Installation Procedure
1. Connect the HVAC control module electrical connectors.
2. Install the HVAC control module into the I/P opening.
Notice: Refer to Fastener Notice (Fastener Notice).
3. Install the HVAC control module bolts/screws.
Tighten the bolts/screws to 2.5 N.m (22 lb in).
4. Install the I/P accessory trim plate.
5. Re-calibrate the actuators. Refer to Actuator Recalibration (Programming and Relearning).
6. Refer to Control Module References (Programming and Relearning) for programming and setup information.
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.