GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the cross vehicle beam. Refer to Instrument Panel Tie Bar Replacement in Instrument Panel, Gages and Console.
  2. Open the HVAC passenger compartment air filter access door.
  3. Remove the HVAC passenger compartment air filters.
  4. Disconnect the recirculation actuator electrical connector.

  5. Object Number: 825400  Size: SH
  6. Remove the top air inlet housing retaining screws.
  7. Remove the side air inlet housing retaining screws.
  8. Remove the air inlet housing from the HVAC module assembly.

  9. Object Number: 400648  Size: SH
  10. Remove the screws retaining the air inlet housing halves.
  11. Separate the air inlet housing halves.

  12. Object Number: 400651  Size: SH
  13. Remove the recirculation door from the air inlet housing.

Installation Procedure


    Object Number: 400651  Size: SH
  1. Install the recirculation door to the air inlet housing.

  2. Object Number: 400648  Size: SH
  3. Align the recirculation door with the other half of the air inlet housing.
  4. Connect the air inlet housing halves.
  5. Install the screws retaining the air inlet housing halves.
  6. Tighten
    Tighten the screws to 0.9 N·m (8 lb in).


    Object Number: 825400  Size: SH
  7. Install the air inlet housing to the HVAC module assembly.
  8. Install the air inlet housing screws.
  9. Tighten
    Tighten the screws to 0.9 N·m (8 lb in).

  10. Connect the recirculation actuator electrical connector.
  11. Install the HVAC passenger compartment air filters.
  12. Close the HVAC passenger compartment air filter access door.
  13. Install the cross vehicle beam. Refer to Instrument Panel Tie Bar Replacement in Instrument Panel, Gages and Console.