HVAC System - Automatic: Removal & Installation GMC Yukon Denali

Removal Procedure

1. Remove the console roof screw.
2. Support the console (1) and remove it from the headliner.
3. Disconnect the electrical connectors (3).
4. Remove the console (1) from the vehicle.
5. Remove the control assembly (2) from the console (1).

Installation Procedure

1. Install the control assembly (2) to the console (1).
2. Connect the electrical connectors (3).
3. Install the console (1) to the headliner.
4. Install the console roof screw.

1. Separate the front of the console from the headliner
2. Remove the control assembly by releasing the tabs at the rear of the control.
3. Disconnect the electrical connector.

1. Connect the electrical connector.
2. Install the control assembly to the console
3. Install the console to the headliner.

1. Remove the instrument panel accessory trim plate. Refer to Bezel Replacement - Instrument Panel (I/P) Cluster in Instrument Panel, Gauges and Console.
2. Remove the control assembly retaining screws.
3. Depress the control assembly retaining tabs and remove the control assembly from the instrument panel.
4. Disconnect the electrical connectors from the control assembly.
5. Remove the control assembly bulb from the control assembly and retain.

1. Install the control assembly bulb to the control assembly.
2. Connect the electrical connectors to the control assembly.
3. Install the control assembly into the instrument panel, ensuring that the control assembly retaining tabs lock into place.
4. Install the control assembly retaining screws.
5. Install the instrument panel accessory trim plate. Refer to Instrument Panel (I/P) Trim Panel Replacement - Lower in Instrument Panel, Gauges.
6. Perform the configuration procedure if necessary. Install a scan tool. Turn ON the ignition, with the engine OFF. Select Special Functions. Select Setup New HVAC. Select Aux. HVAC (RPO C69). Use the Enter Key to select Programmed. An asterisk will appear by Aux. HVAC (RPO C69) when it is programmed. Press the Save Options Softkey.

1. Remove the floor air outlet duct extension (1) from the floor duct (2).
2. Disconnect the electrical connection at the mode actuator (10).
3. Remove the mode actuator mounting screws from the HVAC module.
4. Remove the mode actuator as an assembly with the actuator cam.

1. Install the mode actuator as an assembly with the actuator cam. Line up the heater/defroster lever with the mode actuator cam slot. Line up the A/C lever with the mode actuator cam.
2. Install the mode actuator mounting screw to the HVAC module. Tighten: Tighten the mode actuator mounting screw to 1.6 N.m (14 lb in).
3. Connect the electrical connection at the mode actuator (10).
4. Install the floor air outlet duct extension (1) to the floor air duct (2).

1. Remove the Park/Turn Signal.
2. Disconnect the electrical connector from the ambient temperature sensor (3).
3. Remove the ambient temperature sensor (3).

1. Install the ambient temperature sensor (3).
2. Connect the electrical connector to the ambient temperature sensor (3).
3. Install the Park/Turn Signal.

1. Remove the left windshield garnish molding.
2. Remove the left center pillar assist handle.
3. Remove the left center pillar garnish molding.
4. Remove the left sunshade.
5. Remove the retaining screws from the headliner.
6. Gently pull down the headliner.
7. Remove the inside air temperature sensor from the headliner.
8. Disconnect the electrical connector from the inside air temperature sensor.
9. Remove the inside air temperature sensor from the headliner.

1. Install the inside air temperature sensor to the headliner.
2. Connect the electrical connector to the inside air temperature sensor.
3. Install the screws to the headliner.
4. Install the left sunshade.
5. Install the left center pillar garnish molding.
6. Install the left center assist handle.
7. Install the left windshield garnish molding.

1. Remove the instrument panel upper trim pad.
2. Turn the Sun Load Sensor (2) 1/4 turn and remove it from the upper trim pad.
3. Disconnect the electrical connector.

1. Connect the electrical connector.
2. Install the sun load sensor (2) to the upper trim pad, turning it 1/4 turn to secure it in place.
3. Install the instrument panel upper trim pad.

1. Remove the instrument panel bezel.
2. Remove the radio.
3. Disconnect the electrical connector from the A/C temperature sensor.
4. Remove the A/C temperature sensor from the air duct.

1. Install the A/C temperature sensor to the air duct.
2. Connect the electrical connector to the A/C temperature sensor.
3. Install the radio.
4. Install the instrument panel bezel.

1. Remove the right side Quarter Trim Panel.
2. Disconnect the electrical connector from the rear upper A/C temperature sensor (11).
3. Remove the rear upper A/C temperature sensor from the air distribution duct.

1. Install the rear upper A/C temperature sensor (11) to the air distribution duct.
2. Connect the electrical connector to the rear upper A/C temperature sensor (11).
3. Install the right side Quarter Trim Panel.

1. Remove the front heater air temperature sensor (3) and wiring harness assembly from the floor air outlet (2).
2. Disconnect the electrical connector from the front heater air temperature sensor (3).

1. Connect the front heater air temperature sensor (3) to the electrical connector.
2. Install the front heater air temperature sensor (3) and wiring harness assembly to the floor air outlet (2).

1. Remove the Rear Quarter Trim Panel.
2. Remove the rear lower duct air temperature sensor - auxiliary (10) and wiring harness assembly from the air distributor duct (7).
3. Disconnect the electrical connector from the rear lower duct air temperature sensor - auxiliary.

1. Connect the rear lower duct air temperature sensor - auxiliary (10) to the electrical connector.
2. Install the rear lower duct air temperature sensor - auxiliary and wiring harness assembly to the air distributor duct (7).
3. Install the Rear Quarter Trim Panel.