GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 DeVille 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Diverter Door Replacement

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 Systems - Automatic.
  3. Disconnect the left temperature actuator electrical connector.

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

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

    7. Object Number: 684437 Size: SH

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

    8. Object Number: 817995 Size: SH
  8. Remove the upper case.
  9. Remove the actuator cam from the door.
  10. Remove the diverter door.

Installation Procedure
  1. Install the diverter door.

    2. Object Number: 684437 Size: SH
  2. Install the actuator cam to the diverter door.
  3. Install the upper module case.

    4. Object Number: 817995 Size: SH

    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.

  4. Install the upper module case screws.

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


    Object Number: 292114 Size: SH
  5. Reapply the foam at the heater inlet.
  6. Install the mode actuator. Refer to Mode Actuator Replacement in HVAC Systems - Automatic.

    7. Object Number: 292133 Size: SH
  7. Install the left temperature actuator.
  8. Connect the left air temperature actuator electrical connector.

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

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

  10. Install the HVAC module. Refer to HVAC Module Assembly Replacement .
  11. Recalibrate the actuators. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.