HVAC System - Automatic: Removal & Installation GMC Envoy II

Removal Procedure

1. Remove the I/P accessory trim plate. Refer to «Trim Plate Replacement - Instrument Panel (I/P) Accessory (GMC)»(ref-200362-S25030397422005102000000) or «Trim Plate Replacement - Instrument Panel (I/P) Accessory (Buick)»(ref-200362-S28103668162005102000000) or «Bezel Replacement - Instrument Panel (I/P) Cluster (Chevrolet)»(ref-200362-S36923661392005102000000) or «Bezel Replacement - Instrument Panel (I/P) Cluster (GMC, Buick)»(ref-200362-S16123025782005102000000) in Instrument Panel, Gages and Console.
2. Remove the HVAC control module screws.
3. Depress the HVAC control module tabs (3) and remove the HVAC control module (2) from the I/P (4).
4. Disconnect the electrical connectors (1) from the HVAC control module (2).

Installation Procedure

1. Connect the electrical connectors (1) to the HVAC control module (2).
2. Install the HVAC control module (2) into the I/P (4).
3. Install the HVAC control module screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
4. Install the I/P accessory trim plate. Refer to «Trim Plate Replacement - Instrument Panel (I/P) Accessory (GMC)»(ref-200362-S25030397422005102000000) or «Trim Plate Replacement - Instrument Panel (I/P) Accessory (Buick)»(ref-200362-S28103668162005102000000) or «Bezel Replacement - Instrument Panel (I/P) Cluster (Chevrolet)»(ref-200362-S36923661392005102000000) or «Bezel Replacement - Instrument Panel (I/P) Cluster (GMC, Buick)»(ref-200362-S16123025782005102000000) in Instrument Panel, Gages and Console.

1. Using a flat bladed tool, carefully pry out on the top of the HVAC control-auxiliary.
2. Remove the HVAC control-auxiliary from the center console/seat.
3. Disconnect the electrical connector.
4. Remove the HVAC control-auxiliary.

1. Connect the HVAC control-auxiliary electrical connector.
2. Install the HVAC control-auxiliary in the console bottom first.
3. Push in at the top of the HVAC control-auxiliary in order to engage the HVAC control-auxiliary in the console/seat.

1. Remove the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-200362-S11353072362005102000000) in Instrument Panel, Gages, and Console.
2. Disconnect the electrical connector from the blower motor.
3. Disconnect the electrical connector (3) from the blower motor control processor (1).
4. Remove the blower motor control processor mounting screws (2).
5. Remove the blower motor control processor (1).

1. Install the blower motor control processor (1).
2. Install the blower motor control processor mounting screws (2). Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Connect the electrical connector (3) to the blower motor control processor (1).
4. Connect the electrical connector to the blower motor.
5. Install the right closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-200362-S11353072362005102000000) in Instrument Panel, Gages, and Console.

1. Press downward and to the right on the front auxiliary blower motor switch.
2. Remove the front auxiliary blower motor switch from the console.
3. Disconnect the electrical connector from the front auxiliary blower motor switch.

1. Connect the electrical connector to the front auxiliary blower motor switch.
2. Install the front auxiliary blower motor switch to console.
3. Press the front auxiliary blower motor switch into the console.

1. Remove the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.
2. Remove the HVAC module-auxiliary. Refer to «HVAC Module Replacement - Auxiliary»(ref-200405-S32817568892005102000000) in Heating, Ventilation and Air Conditioning.
3. Disconnect the electrical connector from the blower motor processor.
4. Remove the retaining screws from the blower motor processor (1).
5. Remove the blower motor processor (3) from the HVAC module (2).

1. Install the blower motor processor (3) to the HVAC module (2).
2. Install the retaining screws to the blower motor processor (3). Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Install the HVAC module-auxiliary. Refer to «HVAC Module Replacement - Auxiliary»(ref-200405-S32817568892005102000000) in Heating, Ventilation and Air Conditioning.
4. Connect the electrical connector to the blower motor processor (1).
5. Install the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.

1. Remove the HVAC module assembly. Refer to «HVAC Module Assembly Replacement»(ref-200405-S37687082652005102000000) in Heating, Ventilation and Air Conditioning.
2. Remove the air inlet assembly.
3. Remove the screws from the air inlet assembly.
4. Remove the recirculation actuator screws.
5. Remove the recirculation actuator.

1. Install the recirculation actuator.
2. Install the recirculation actuator screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Install the air inlet assembly.
4. Install the screws to the HVAC module assembly. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
5. Install the HVAC module assembly. Refer to «HVAC Module Assembly Replacement»(ref-200405-S37687082652005102000000) in Heating, Ventilation and Air Conditioning.
6. Recalibrate the recirculation actuator on vehicles equipped with automatic climate control (C68). Refer to «Re-Calibrating Actuators (Primary)»(ref-200404-S41170959672005102000000) .

1. Remove the left side sound insulator screws.
2. Disconnect the electrical connector from the mode actuator.
3. Remove the screws from the mode actuator (3).
4. Remove the mode actuator.

1. Install the mode actuator (3).
2. Install the screws to the mode actuator (3). Tighten: Tighten the screws to 1.9 N.m (18 lb in).
3. Install the left side sound insulator screws.

1. Remove the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages, and Console.
2. Disconnect the electrical connector from the defroster actuator.
3. Remove the screws from the defroster actuator.
4. Remove the defroster actuator.

1. Install the defroster actuator.
2. Install the defroster actuator screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Connect the electrical connector to the defroster actuator.
4. Install the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages, and Console.

1. Remove the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages and Console.
2. Remove the air temperature actuator-right retaining screws.
3. Disconnect the air temperature actuator-right electrical connector.
4. Remove the air temperature actuator-right.

1. Install the air temperature actuator-right.
2. Tighten the air temperature actuator-right retaining screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Install the air temperature actuator-right electrical connector.
4. Install the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages, and Console.
5. Recalibrate the air temperature actuator on vehicles equipped with automatic climate control (C68). Refer to «Re-Calibrating Actuators (Primary)»(ref-200404-S41170959672005102000000) .

1. Remove the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages and Console.
2. Remove the air temperature actuator-left (1) retaining screws.
3. Disconnect the air temperature actuator-left electrical connector.
4. Remove the air temperature actuator-left.

1. Install the air temperature actuator-left (1).
2. Install the air temperature actuator-left retaining screws. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Connect the air temperature actuator-left electrical connector.
4. Install the I/P carrier. Refer to «Instrument Panel (I/P) Carrier Replacement»(ref-200362-S10043836912005102000000) in Instrument Panel, Gages, and Console.
5. Recalibrate the air temperature actuator on vehicles equipped with automatic climate control (C68). Refer to «Re-Calibrating Actuators (Primary)»(ref-200404-S41170959672005102000000) .

1. Remove the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.
2. Disconnect the electrical connector from the air temperature actuator.
3. Remove the retaining screws from the air temperature actuator.
4. Remove the air temperature actuator (1) from the rear HVAC module.

1. Install the air temperature actuator (2) to the rear HVAC module.
2. Install the screws to the actuator. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Connect the electrical connector to the air temperature actuator.
4. Recalibrate the air temperature actuator. Refer to «Re-Calibrating Actuators (Primary)»(ref-200404-S41170959672005102000000) .
5. Install the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.

1. Remove the console. Refer to «Console Replacement»(ref-200362-S05327911492005102000000) in Instrument Panel, Gages, and Console.
2. Remove the screw from the air outlet duct.
3. Remove the air outlet duct from the console.
4. Remove the rear mode actuator retaining screws.
5. Remove the rear mode actuator.

1. Install the mode actuator.
2. Install the screws to the mode actuator. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Install the air outlet duct to the console.
4. Install the screw to the air outlet duct. Tighten: Tighten the screw to 1.9 N.m (17 lb in).
5. Install the console. Refer to «Console Replacement»(ref-200362-S05327911492005102000000) in Instrument Panel, Gages, and Console.

1. Remove the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.
2. Disconnect the electrical connector from the mode actuator-auxiliary (1).
3. Remove the mode actuator-auxiliary (1) from the HVAC module-auxiliary.
4. Remove the retaining screws from the mode actuator-auxiliary.

1. Install the mode actuator (1) to the HVAC module-auxiliary.
2. Install the screws to the mode actuator-auxiliary. Tighten: Tighten the screws to 1.9 N.m (17 lb in).
3. Connect the electrical connector to the mode actuator-auxiliary (1).
4. Install the right rear quarter trim panel. Refer to «Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL)»(ref-200370-S01979267672005102000000) or «Trim Panel Replacement - Rear Quarter - Right (Trailblazer, Envoy, Rainier)»(ref-200370-S39505008052005102000000) in Interior Trim.
5. Calibrate the HVAC module actuators. Refer to «Re-Calibrating Actuators (Primary)»(ref-200411-S34523441332005102000000) or «Re-Calibrating Actuators (Auxiliary HVAC)»(ref-200411-S27886266472005102000000) in HVAC Systems - Automatic.

1. Remove the radio. Refer to «Radio Replacement»(ref-200368-S08952960352005102000000) in Entertainment.
2. Disconnect the electrical connector (2) from the air temperature sensor-upper right (1).
3. Remove the air temperature sensor-upper right (1) by turning the sensor clockwise and pulling out.

1. Install the air temperature sensor-upper right (1).
2. Connect the electrical connector (2) to the air temperature sensor-upper right (1).
3. Install the radio. Refer to «Radio Replacement»(ref-200368-S08952960352005102000000) in Entertainment.

1. Remove the radio. Refer to «Radio Replacement»(ref-200368-S08952960352005102000000) in Entertainment.
2. Remove the HVAC control module. Refer to «HVAC Control Module Replacement»(ref-200411-S41337470142005102000000) .
3. Remove the air temperature sensor.
4. Disconnect the electrical connector (2) from the upper air temperature sensor (1).

1. Install the upper air temperature sensor (1) to the air duct (2).
2. Connect the electrical connector (2) to the upper air temperature sensor (1).
3. Install the upper air temperature sensor.
4. Install the HVAC control module. Refer to «HVAC Control Module Replacement»(ref-200411-S41337470142005102000000) .
5. Install the radio. Refer to «Radio Replacement»(ref-200368-S08952960352005102000000) in Entertainment.

1. Remove the I/P assembly. Refer to «Instrument Panel (I/P) Assembly Replacement»(ref-200362-S11416393872005102000000) in Instrument Panel, Gages and Console.
2. Disconnect the electrical connector from the air temperature sensor-lower left (2).
3. Remove the air temperature sensor-lower left.

1. Install the air temperature sensor-lower left (2).
2. Connect the electrical connector to the air temperature sensor-lower left.
3. Install the I/P assembly. Refer to «Instrument Panel (I/P) Assembly Replacement»(ref-200362-S11416393872005102000000) in Instrument Panel, Gages and Console.

1. Remove the passenger side closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-200362-S11353072362005102000000) in Instrument Panel, Gages and Console.
2. Remove the I/P lower closeout panel. Refer to «Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower (GMC/Chevrolet)»(ref-200362-S35472051402005102000000) in Instrument Panel, Gages and Console.
3. Disconnect the electrical connector (3) from the air temperature sensor-lower right (2).
4. Remove the air temperature sensor-lower right (2).

1. Install the air temperature sensor-lower right (2).
2. Connect the electrical connector (3) to the air temperature sensor-lower right (2).
3. Install the I/P lower closeout panel. Refer to «Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower (GMC/Chevrolet)»(ref-200362-S35472051402005102000000) in Instrument Panel, Gages and Console.
4. Install the passenger side closeout panel. Refer to «Closeout/Insulator Panel Replacement - Right»(ref-200362-S11353072362005102000000) in Instrument Panel, Gages and Console.

1. Remove the upper portion of the left center trim pillar.
2. Disconnect the electrical connector.
3. Remove the retaining clips from the B pillar.
4. Remove the inside air temperature sensor assembly (1) from the B pillar.

1. Connect the electrical connector to the inside air temperature sensor assembly (1).
2. Install the inside air temperature sensor assembly (1) to the B pillar.
3. Install the retaining clips to the B pillar.
4. Install the upper portion of the left center trim pillar.

1. Remove the I/P upper trim pad. Refer to «Trim Pad Replacement - Instrument Panel (I/P) Upper»(ref-200362-S37371374902005102000000) in Instrument Panel, Gages, and Console.
2. Remove the sun load sensor from the I/P upper trim pad by turning counter clockwise.
3. Disconnect the electrical connector from the sun load sensor.

1. Connect the electrical connector to the sun load sensor.
2. Install the sun load sensor to the I/P upper trim pad by turning clockwise.
3. Install the I/P upper trim pad. Refer to «Trim Pad Replacement - Instrument Panel (I/P) Upper»(ref-200362-S37371374902005102000000) in Instrument Panel, Gages, and Console.