GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Avalanche - 2WD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Mode Door Replacement - Upper

Removal Procedure

Important: The upper mode door is serviced with the upper HVAC module case.


    Object Number: 2008728 Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Disconnect the electrical connector from the mode actuator.
  3. Remove the screws from the mode actuator.
  4. Remove the mode actuator from the HVAC module assembly (1).
  5. If equipped remove the heat stakes (1) from the HVAC module (2) with a screwdriver and a hammer.

    6. Object Number: 962571 Size: SH
  6. If equipped remove the HVAC module assembly screws.
  7. Separate the HVAC module assembly.
  8. Remove the lever (7) from the upper mode door/upper HVAC module case (6).

Installation Procedure

    Object Number: 962571 Size: SH
  1. Install the lever (7) to the upper mode door/upper HVAC module case (6).
  2. Install the HVAC module assembly halves.

    3. Notice: Refer to Fastener Notice in the Preface section.

    Important: For every heat stake removed ensure that you install a screw.

  3. Install the screws to the HVAC module assembly.

    4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).

  4. Install the mode actuator to the HVAC module assembly.
  5. Install the screws to the mode actuator.

    6. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).

  6. Connect the electrical connector to the mode actuator.
  7. Install the HVAC module. Refer to HVAC Module Assembly Replacement .