Removal Procedure
- Remove the instrument panel (I/P) center trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(ref-242974-S21401335722006082100000) .
- Remove the HVAC control module screws.
- Remove the HVAC control module.
- Remove the HVAC control module wire harness connectors.
Installation Procedure
- Install the HVAC control module wire harness connectors.
- Install the HVAC control module.
- Tighten the HVAC control module screws. Tighten: Tighten the screws to 2.5 N.m (22 lb in).
- Install the I/P center trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(ref-242974-S21401335722006082100000) .
- Calibrate the actuator. Refer to «Re-Calibrating Actuators»(ref-243034-S09711972842006082100000) .
- Refer to «Control Module References»(ref-242975-S40456744722006082100000) for programming and setup information.
- Remove the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-242974-S33508690632006082100000) .
- Remove the blower motor control processor wire harness connector.
- Remove the blower motor control processor screws.
- Remove the blower motor control processor.
- Install the blower motor control processor.
- Tighten the blower motor control processor screws. Tighten: Tighten the screws to 1.5 N.m (13 lb in).
- Install the blower motor control processor wire harness connector.
- Install the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-242974-S33508690632006082100000) .
- Remove the fuse labeled HVAC CTRL (BATT).
- Remove the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-242974-S33508690632006082100000) .
- Remove the communication interface module. Refer to «Communication Interface Module Replacement»(ref-242979-S41056617502006082100000) .
- Remove the OnStar module bracket. Refer to «Bracket Assembly Replacement - OnStar Module»(ref-242979-S13328624042006082100000) .
- Remove the recirculation door actuator screws.
- Remove the recirculation door actuator.
- Remove the recirculation door actuator wire harness connector.
- Install the recirculation door actuator wire harness connector.
- Install the recirculation door actuator.
- Tighten the recirculation door actuator screws. Tighten: Tighten the screws to 1.5 N.m (13 lb in).
- Install the OnStar module bracket. Refer to «Bracket Assembly Replacement - OnStar Module»(ref-242979-S13328624042006082100000) .
- Install the communication interface module. Refer to «Communication Interface Module Replacement»(ref-242979-S41056617502006082100000) .
- Install the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-242974-S33508690632006082100000) .
- Install the fuse labeled HVAC CTRL (BATT).
- Calibrate the actuator. Refer to «Re-Calibrating Actuators»(ref-243034-S09711972842006082100000) .
- Remove the fuse labeled HVAC CTRL (BATT).
- Remove the left closeout panel. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-242974-S25534088502006082100000) .
- Remove the knee bolster. Refer to «Knee Bolster Replacement»(ref-242974-S42471734022006082100000) .
- Disconnect the mode actuator electrical connector.
- Remove the mode actuator retaining screws.
- Remove the mode actuator retaining.
- Install the mode actuator.
- Install the mode actuator retaining screws. Tighten: Tighten the screws to 1.5 N.m (13 lb in).
- Connect the mode actuator electrical connector.
- Install the knee bolster. Refer to «Knee Bolster Replacement»(ref-242974-S42471734022006082100000) .
- Install the left closeout panel. Refer to «Closeout/Insulator Panel Replacement - Left»(ref-242974-S25534088502006082100000) .
- Install the fuse labeled HVAC CTRL (BATT).
- Calibrate the actuator. Refer to «Re-Calibrating Actuators»(ref-243034-S09711972842006082100000) .
- Remove the fuse labeled HVAC CTRL (BATT).
- Completely open the instrument panel (I/P) compartment door by pressing both tabs that support the stop bumpers. Refer to «COMPARTMENT REPLACEMENT - INSTRUMENT PANEL (I/P)»(ref-242974-S32666087012006082100000) .
- Remove the air temperature actuator screws.
- Remove the air temperature actuator.
- Disconnect the air temperature actuator electrical connector.
- Connect the air temperature actuator electrical connector.
- Install the air temperature actuator.
- Install the air temperature actuator screws. Tighten: Tighten the screws to 1.5 N.m (13 lb in).
- Close the I/P compartment door. Refer to «COMPARTMENT REPLACEMENT - INSTRUMENT PANEL (I/P)»(ref-242974-S32666087012006082100000) .
- Install the fuse labeled HVAC CTRL (BATT).
- Calibrate the actuator. Refer to «Re-Calibrating Actuators»(ref-243034-S09711972842006082100000) .
- Remove the center instrument panel (I/P) trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(ref-242974-S21401335722006082100000) .
- Remove the upper air temperature sensor wire harness connector.
- Pull on the upper air temperature sensor to remove from the upper center air outlet duct.
- Install the upper air temperature sensor.
- Install the upper air temperature sensor wire harness.
- Install the center I/P trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(ref-242974-S21401335722006082100000) .
- Remove the right console trim panel. Refer to «Console Trim Panel Replacement - Right»(ref-242974-S27494826062006082100000) in Instrument Panel, Gages and Console.
- Twist and pull the lower air temperature sensor from the center floor air outlet duct.
- Remove the lower air temperature sensor wire harness.
- Install the lower air temperature sensor wire harness.
- Install the lower air temperature sensor.
- Install the right console trim panel. Refer to «Console Trim Panel Replacement - Right»(ref-242974-S27494826062006082100000) in Instrument Panel, Gages and Console.