GM Service Manual Online
For 1990-2009 cars

Air Temperature Door Replacement C 60

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Remove the HVAC module assembly. Refer to Heater/Vent Module Replacement .
  3. Remove the screws from the case cover (10) of the HVAC module.

  4. Object Number: 669159  Size: MH
  5. Separate the module halves.
  6. Disconnect the air temperature actuator (6) from the air temperature door (17).
  7. Remove the air temperature door (17) from blower motor case (1).

Installation Procedure

  1. Install the air temperature door (17) to the blower motor case (1).
  2. Connect the air temperature actuator (6) to the air temperature door (17). Refer to Air Temperature Actuator Replacement in HVAC Systems - Manual.

  3. Object Number: 669159  Size: MH
  4. Install the module halves.
  5. Install the screws to the case cover (10) to the HVAC module.
  6. Install the HVAC module assembly. Refer to Heater/Vent Module Replacement .
  7. Fill the engine cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.

Air Temperature Door Replacement Heat Only

Removal Procedure

  1. Remove the HVAC module assembly. Refer to Heater/Vent Module Replacement .

  2. Object Number: 669156  Size: SH
  3. Remove the screws from the case cover (8) of the HVAC module.
  4. Separate the module halves.
  5. Disconnect the air temperature actuator from the door. Refer to Air Temperature Actuator Replacement in HVAC Systems - Manual.
  6. Remove the air temperature door (16) from blower motor case (1).

Installation Procedure

  1. Install the air temperature door (16) to the blower motor case (1).
  2. Connect the air temperature actuator to the door. Refer to Air Temperature Actuator Replacement in HVAC Systems - Manual.
  3. Join the module halves.

  4. Object Number: 669156  Size: SH
  5. Install the screws to the case cover of the HVAC module.
  6. Install the HVAC module assembly. Refer to Heater/Vent Module Replacement .