GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.
  2. Remove the left half of the HVAC module from the vehicle. Refer to HVAC Module Assembly Replacement .
  3. Remove the heater module clips.
  4. Separate the heater module case.
  5. Remove the air temperature actuator. Refer to Air Temperature Actuator Replacement in HVAC Systems - Manual.

  6. Object Number: 687776  Size: SH
  7. Remove the air temperature doors (1,2).

Installation Procedure


    Object Number: 687776  Size: SH
  1. Install the air temperature doors (1,2).
  2. Install the air temperature actuator. Refer to Air Temperature Actuator Replacement in HVAC Systems - Manual.
  3. Assemble the heater module case.
  4. Install the heater module clips.
  5. Install the left half of the HVAC module to the vehicle. Refer to HVAC Module Assembly Replacement .
  6. Install the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.