GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 G8 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Air Inlet Assembly Replacement

Removal Procedure
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the windscreen wiper arms. Refer to Windshield Wiper Arm Replacement.
  3. Remove the plenum chamber cover panel. Refer to Air Inlet Grille Panel Replacement.

    4. Object Number: 2045429 Size: SH
  4. Remove the HVAC to bulkhead retaining bolt (1).
  5. Remove the instrument panel (I/P) compartment. Refer to Instrument Panel Storage Compartment Replacement.
  6. Remove the close out panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side.
  7. Remove the right side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Right Side.

    8. Object Number: 2045430 Size: SH
  8. Disconnect the blower motor electrical connector (2).
  9. Disconnect the HVAC module electrical connector (3).
  10. Disconnect the blower motor control processor electrical connector (6).
  11. Detach the I/P wiring harness to HVAC module assembly retaining clips (5).
  12. Remove the HVAC support brace to HVAC module assembly retaining screws (7).
  13. Remove the HVAC support brace (1) from the HVAC module assembly (4).

    14. Object Number: 2045431 Size: SH
  14. Disconnect the air intake fresh/recirculation actuator electrical connector (1).
  15. Detach the wiring harness (2) from the air inlet assembly (4).
  16. Remove the air inlet assembly to I/P carrier retaining bolt (3)
  17. Remove the air inlet assembly to HVAC module assembly retaining bolts (5).

    18. Object Number: 2045432 Size: SH

    Important: Slide the air inlet assembly (2) to the right to detach the air inlet assembly (2) from the HVAC module assembly (1).

  18. Detach the air inlet assembly (2) from the HVAC module assembly (1).

    19. Important: Lower and rotate the air inlet assembly (1) clockwise to remove the air inlet assembly (1) from the vehicle.

  19. Remove the air inlet assembly (1) from the vehicle.

Installation Procedure

    Object Number: 2045432 Size: SH

    Important: Rotate the air inlet assembly (1) counter-clockwise and raise to install the air inlet assembly (1) to the vehicle.

  1. Install the air inlet assembly (1) to the vehicle.
  2. Attach the air inlet assembly (2) to the HVAC module assembly (1).

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


    Object Number: 2045431 Size: SH
  3. Install the air inlet assembly to HVAC module assembly retaining bolts (5)

    4. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  4. Install the air inlet assembly to I/P carrier retaining bolt (3).

    5. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  5. Connect the air intake fresh/recirculation actuator electrical connector (1).
  6. Attach the wiring harness (2) to the air inlet assembly (4).

    7. Object Number: 2045430 Size: SH
  7. Install the HVAC support brace (1) to the HVAC module assembly (4).
  8. Install the HVAC support brace to HVAC module assembly retaining screws (7).

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

  9. Connect the blower motor control processor electrical connector (6).
  10. Connect the HVAC module electrical connector (3).
  11. Connect the blower motor electrical connector (2).
  12. Attach the I/P wiring harness to HVAC module assembly retaining clips (5).

    13. Object Number: 2045429 Size: SH
  13. Install the HVAC module assembly to bulkhead retaining bolt (1).

    14. Tighten
    Tighten the bolt to 7 N·m (62 lb in).

  14. Install the right side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Right Side.
  15. Install the I/P compartment. Refer to Instrument Panel Storage Compartment Replacement.
  16. Install the closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side.
  17. Remove the plenum chamber cover panel. Refer to Air Inlet Grille Panel Replacement.
  18. Install the windscreen wiper arms. Refer to Windshield Wiper Arm Replacement.
  19. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.