Silverado 1500 2WD V8-4.8L VIN V (2006)
Control Module HVAC: Service and Repair
HVAC Systems - Manual
HVAC CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the instrument cluster trim plate bezel.
2. Remove the instrument panel storage tray.
3. Remove the accessory switch assembly from the instrument panel.
4. Remove the screws from the HVAC control assembly.
5. Remove the HVAC control assembly, with the following procedure:
1. Release the retaining tabs.
2. Pull the control head out of the instrument panel carrier.
6. Disconnect the electrical connectors from the HVAC control assembly.
INSTALLATION PROCEDURE
1. Connect the electrical connectors to the HVAC control assembly.
IMPORTANT: The Key should be in the off position when connecting the electrical connectors to ensure proper calibration.
2. Install the HVAC control assembly.
3. Install the accessory switch assembly to the instrument panel.
4. Install the screws from the HVAC control assembly.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the screws to 1.9 N.m (17 lb in).
5. Install the instrument panel storage tray.
6. Install the instrument cluster trim plate bezel.
7. Start the vehicle and let run for one minute.
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.
