GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Temperature Door Replacement - Left Side

Removal Procedure
  1. Remove the HVAC Module. Refer to HVAC Module Assembly Replacement .
  2. Remove the mode actuator. Refer to Mode Actuator Replacement in HVAC Automatic.
  3. Remove the recirculation door. Refer to Recirculation Door Replacement .
  4. Disconnect the air temperature actuator assembly electrical connector (2).

    5. Object Number: 592452 Size: SH
  5. Remove the air temperature actuator assembly screws (1).

    6. Object Number: 592455 Size: SH
  6. Remove the air temperature actuator assembly (1).
  7. Disconnect the left temperature actuator electrical connector.

    8. Object Number: 292138 Size: SH
  8. Remove the left temperature actuator screws (1).

    9. Object Number: 292133 Size: SH
  9. Remove the left temperature actuator.
  10. Remove the upper module case fasteners.

    11. Object Number: 292114 Size: SH
  11. Peel back the foam at the heater inlet.

    12. Object Number: 817995 Size: SH
  12. Remove the upper case.
  13. Remove the middle module screws.

    14. Object Number: 817985 Size: SH
  14. Remove the middle module.

    15. Object Number: 684467 Size: SH
  15. Remove the left temperature door.

Installation Procedure

    Object Number: 684467 Size: SH
  1. Install the left temperature door.

    2. Object Number: 817985 Size: SH
  2. Install the HVAC middle module.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the middle module screws.

    4. Tighten
    Tighten the screws to 1.4 N·m (12 lb in).

  4. Install the upper module case.

    5. Object Number: 817995 Size: SH
  5. Install the upper module case screws.

    6. Tighten
    Tighten the screws to 1.4 N·m (12 lb in).


    Object Number: 292114 Size: SH
  6. Reapply the foam at the heater inlet.

    7. Object Number: 292133 Size: SH
  7. Install the left air temperature actuator.

    8. Object Number: 292138 Size: SH
  8. Install the left air temperature actuator screws (1).

    9. Tighten
    Tighten the screws to 1.4 N·m (12 lb in).

  9. Install the left air temperature actuator electrical connector.

    10. Object Number: 592455 Size: SH
  10. Install the air temperature actuator assembly (1) to the HVAC module.

    11. Object Number: 592452 Size: SH
  11. Install the air temperature actuator assembly screws (1).

    12. Tighten
    Tighten the screws (1) to 1.4 N·m (12 lb in).

  12. Install the mode actuator. Refer to Mode Actuator Replacement in HVAC Systems - Automatic.
  13. Install the recirculation door. Recirculation Door Replacement .
  14. Install the HVAC module. Refer to HVAC Module Assembly Replacement .
  15. Recalibrate the actuators. Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems.