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.
2007 Chevrolet Express 2500 V8-4.8LFACTORY OEM SERVICE PROCEDURE
HVAC Control Assembly Replacement
HVAC Control Assembly Replacement
Removal Procedure
1. Remove the I/P cluster trim plate.
2. Remove the retaining screw from the HVAC control assembly.
3. Pivot the HVAC control assembly to disengage the locking tab on the right side.
4. Disconnect the electrical connectors.
5. Disconnect the vacuum connector.
6. Remove the HVAC control assembly.
Installation Procedure
1. Connect the vacuum connector.
2. Connect the electrical connectors.
3. Install the HVAC control assembly.
Notice: Refer to Fastener Notice.
4. Install the retaining screw to the HVAC control assembly.
Tighten the screw to 2 N.m (18 lb in).
5. Install the I/P cluster trim plate.
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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