GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the assist handle bolts.

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

  4. Object Number: 588991  Size: SH
  5. Remove the instrument panel lower trim.

  6. Object Number: 229897  Size: SH
  7. Disconnect the audio system. Refer to Radio Replacement in Entertainment.

  8. Object Number: 229927  Size: SH
  9. Remove the heater module (right side).
  10. Remove the control rod and the retaining screws.

  11. Object Number: 574888  Size: SH
  12. Remove the mode actuator.

Installation Procedure


    Object Number: 574888  Size: SH
  1. Install the mode actuator.
  2. Install the control rod and the retaining screws.
  3. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 229927  Size: SH
  4. Install the heater module (right side).

  5. Object Number: 229897  Size: SH
  6. Connect the audio system. Refer to Radio Replacement in Entertainment.

  7. Object Number: 588991  Size: SH
  8. Install the instrument panel lower trim.

  9. Object Number: 229889  Size: SH
  10. Install the assist handle.
  11. Install the assist handle bolts.
  12. Tighten
    Tighten the bolts to 6 N·m (53 lb in).