GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 229889  Size: SH
  1. Remove the assist handle bolts.
  2. Remove the assist handle.

  3. Object Number: 588991  Size: SH
  4. Remove the instrument panel lower trim.
  5. Disconnect the audio system. Refer to Radio Replacement .
  6. Remove the lower air distributor duct. Refer to Air Distributor Duct Replacement .

  7. Object Number: 229927  Size: SH
  8. Remove the heater cores. Refer to Heater Core Replacement .
  9. Remove the evaporator core. Refer to Air Conditioning Evaporator Core Replacement .
  10. Remove the heater vent module, right side.

  11. Object Number: 397476  Size: SH
  12. Remove the heater vent module, left side.
  13. Remove the control rod and retaining screws.

  14. Object Number: 574888  Size: SH
  15. Remove the mode actuator.

Installation Procedure


    Object Number: 574888  Size: SH
  1. Install the mode actuator.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the control rod and the retaining screws.
  4. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 397476  Size: SH
  5. Install the heater vent module, left side.

  6. Object Number: 229927  Size: SH
  7. Install the heater vent module, right side.
  8. Install the heater cores. Refer to Heater Core Replacement .
  9. Install the evaporator core if equipped. Refer to Air Conditioning Evaporator Core Replacement .
  10. Install the lower air distributor duct. Refer to Air Distributor Duct Replacement .
  11. Connect the audio system. Refer to Radio Replacement .

  12. Object Number: 588991  Size: SH
  13. Install the instrument panel lower trim.

  14. Object Number: 229889  Size: SH
  15. Install the assist handle.
  16. Install the assist handle bolts.
  17. Tighten
    Tighten the bolts to 6 N·m (53 lb in).