K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Control Module HVAC: Service and Repair
HVAC System - Automatic
REMOVAL PROCEDURE
1. Remove the instrument panel accessory trim plate. Refer to IP Trim Panel Replacement - Lower in Instrument Panel, Gauges and Console.
2. Depress the control assembly retaining tabs and remove the HVAC control assembly from the instrument panel.
3. Disconnect the electrical connectors from the HVAC control assembly.
4. Remove the HVAC control assembly bulb from the HVAC control assembly and retain.
INSTALLATION PROCEDURE
1. Install the HVAC control assembly bulb to the HVAC control assembly.
2. Connect the electrical connectors to the HVAC control assembly.
3. Install the HVAC control assembly into the instrument panel, ensuring that the HVAC control assembly retaining tabs lock into place.
4. Install the instrument panel accessory trim plate. Refer to IP Trim Panel Replacement - Lower in Instrument Panel, Gauges and Console.
5. Calibrate the HVAC module actuators. Refer to Re-Calibrating Actuators.
