GM Service Manual Online
For 1990-2009 cars only

Defroster Grille Replacement LWB

Removal Procedure

  1. Remove the instrument panel outer trim cover. Refer to Instrument Panel Outer Trim Cover Replacement.
  2. Remove the centre A - pillar ventilation trim panel. Refer to Windshield Garnish Molding Replacement .

  3. Object Number: 1957107  Size: SH
  4. Use a flat-bladed tool in order to pry loose the inner edge of the right windshield defrost grille (2).
  5. Grasp the right windshield defroster grille (3) and carefully pull to disengage the retainer clips (1). The right side is shown, the left side is the same.
  6. Remove the right windshield defroster grille (2).
  7. Remove the left windshield defroster grille.

  8. Object Number: 1957121  Size: SH
  9. Grasp the centre windshield defroster grille (2) and carefully pull to disengage the retaining clips (2) from the I/P pad (3).

  10. Object Number: 1957122  Size: SH
  11. Remove the sunload sensor (1) from the centre defroster grille (2) by turning it anti-clockwise to release it from the centre defroster grille (2).
  12. Remove the centre defroster grille (2).

Installation Procedure


    Object Number: 1957741  Size: SH
  1. Install the sunload sensor (1) to the centre defroster grille (2) by turning it clockwise to secure it to the centre defroster grille (2).

  2. Object Number: 1957743  Size: SH
  3. Install the centre windshield defroster grille (2) by engaging the retaining clips (1) to the I/P pad (3).
  4. Install the left windshield defroster grille

  5. Object Number: 1957744  Size: SH
  6. Install the right windshield defroster grille (2) by engaging the retainer clips (1).
  7. Ensure the defroster grille (2) is flush with I/P pad (3).
  8. Install the centre A - pillar ventilation trim panel. Refer to Windshield Garnish Molding Replacement .
  9. Install the instrument panel outer trim cover. Refer to Instrument Panel Outer Trim Cover Replacement.