GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Defroster Door Replacement

Removal Procedure

    Object Number: 2008728 Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement.
  2. If equipped remove the heat stakes (1) from the HVAC module (2) with a screwdriver and a hammer.

    3. Object Number: 962571 Size: SH
  3. If equipped remove the HVAC module assembly screws.
  4. Separate the HVAC module assembly.
  5. Remove the mode actuator screws.
  6. Remove the mode actuator.
  7. Remove the mode actuator cam assembly.
  8. Remove the defroster door (8).

Installation Procedure

    Object Number: 962571 Size: SH
  1. Install the defroster door (8).
  2. Install the mode actuator cam assembly.
  3. Install the mode actuator.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the mode actuator screws and tighten to 1.6 N·m (14 lb in).
  5. Install the HVAC module assembly halves.

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

  6. Install the screws to the HVAC module assembly and tighten to 1.6 N·m (14 lb in).
  7. Install the HVAC module. Refer to HVAC Module Assembly Replacement.