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.
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HOMESERVICE MANUALSCHEVROLET2007SILVERADO CLASSIC 1500 2WD V8-4.8LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIRHVAC SYSTEM - AUTOMATIC
2007 Chevrolet Silverado Classic 1500 2WD V8-4.8L
HVAC System - Automatic
2007 Chevrolet Silverado Classic 1500 2WD V8-4.8LSECTION HVAC System - Automatic
HVAC Control Module Replacement
Removal Procedure
1. Remove the instrument panel accessory trim plate.
2. Remove the screws from the HVAC control module.
3. Depress the control assembly retaining tabs and remove the HVAC control module from the instrument panel.
4. Disconnect the electrical connectors from the HVAC control module.
Installation Procedure
Important: The Key should be in the off position when connecting the electrical connectors to ensure proper calibration.
1. Connect the electrical connectors to the HVAC control module.
2. Install the HVAC control module into the instrument panel, ensuring that the HVAC control module retaining tabs lock into place.
Notice: Refer to Fastener Notice.
3. Install the screws from the HVAC control module.
Tighten the screws to 1.9 N.m (17 lb in).
4. Install the instrument panel accessory trim plate.
Important: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating.
If interrupted improper HVAC performance will result.
5. Start the vehicle and let run for one minute.
6. Refer to Control Module References for programming and setup information. Programming and Relearning
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.