GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel (I/P) carrier. Refer to Instrument Panel Carrier Replacement .
  2. Remove the screws from the defroster actuator.
  3. Remove the defroster actuator.

  4. Object Number: 742346  Size: SH
  5. Remove screws in order to separate the defroster/mode outlet cover (2) from the HVAC module assembly (1).
  6. Remove the defroster/mode outlet cover.

  7. Object Number: 735985  Size: SH
  8. Remove the defroster door (1) from the HVAC module assembly.

Installation Procedure


    Object Number: 735985  Size: SH
  1. Install the defroster door (1) to the HVAC module assembly.
  2. Install the defroster/mode outlet cover.

  3. Object Number: 742346  Size: SH
  4. Install the defroster/mode outlet cover screws to the HVAC module assembly (1).
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the screws to assemble the defroster/mode outlet to the HVAC module assembly.
  7. Tighten
    Tighten the screws to 1.9 N·m (18 lb in).

  8. Install the defroster actuator.
  9. Install the screws to the defroster actuator.
  10. Tighten
    Tighten the screws to 1.9 N·m (18 lb in).

  11. Install the I/P carrier. Refer to Instrument Panel Carrier Replacement .