GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the knee bolster. Refer to Knee Bolster Replacement .
  2. Important: The HVAC controls must be set to the vent mode to position the defroster door lever for access to the air temperature actuator.

  3. Set the HVAC controls to the vent mode to position the defroster door lever.

  4. Object Number: 860415  Size: SH
  5. Remove the temperature door lever bolt (3) from the HVAC module.
  6. Disconnect and remove the temperature door lever spring (2).
  7. Disconnect and remove the temperature door lever (1) from the temperature door.

  8. Object Number: 295297  Size: SH
  9. Disconnect the air temperature actuator electrical connector.

  10. Object Number: 651494  Size: SH
  11. Remove the air temperature actuator mounting screws.
  12. Remove the air temperature actuator.

Installation Procedure


    Object Number: 651494  Size: SH
  1. Install the air temperature actuator.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the air temperature actuator mounting screws.
  4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).


    Object Number: 295297  Size: SH
  5. Connect the air temperature actuator electrical connector.
  6. Important: Align the pin on the air temperature actuator with the slot in the temperature door lever.

  7. Install the temperature door lever (1) to the temperature door.

  8. Object Number: 860415  Size: SH
  9. Connect the temperature door lever spring (2) to the temperature door lever (1) and HVAC module case.
  10. Install the temperature door lever bolt (3) to the HVAC module case.
  11. Tighten
    Tighten the bolt to 0.9 N·m (8 lb in).

  12. Install the knee bolster. Refer to Knee Bolster Replacement .