GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 G8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 HVAC Control Module Replacement

Removal Procedure
  1. Remove the glove box assembly. Refer to Instrument Panel Storage Compartment Replacement .
  2. Remove the close out panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side
  3. Remove the right side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Right Side .
  4. Remove the right hand hinge panel. Refer to Body Hinge Pillar Trim Panel Replacement
  5. If required, remove the transmission control module. Refer to Transmission Control Replacement .

    6. Object Number: 2043970 Size: SH
  6. Disconnect the HVAC control module electrical connectors (1).

    7. Object Number: 2043973 Size: SH
  7. Remove the HVAC control module to HVAC module assembly retaining screws (1).
  8. Remove the HVAC control module (2) from the HVAC module assembly (3).

Installation Procedure

    Object Number: 2043973 Size: SH
  1. Install the HVAC control module (2) to the HVAC module assembly (3).
  2. Install the HVAC control module to HVAC module assembly retaining screws (1).

    3. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 2043970 Size: SH
  3. Connect the HVAC control module electrical connectors (1).
  4. If required, install the transmission control module. Refer to Transmission Control Replacement .
  5. Install the right hand hinge panel. Refer to Body Hinge Pillar Trim Panel Replacement .
  6. Install the right side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Right Side .
  7. Install the close out panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side .
  8. Install the glove box assembly. Refer to Instrument Panel Storage Compartment Replacement .