GM Service Manual Online
For 1990-2009 cars only

Defroster Grille Replacement Buick

Removal Procedure


    Object Number: 487899  Size: SH
  1. Carefully pry the windshield defroster grille up from the instrument panel assembly.
  2. Disconnect the sunload (1) and twilight (2) sentinel sensors from the windshield defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
  3. Remove the defroster grille.

Installation Procedure


    Object Number: 487899  Size: SH
  1. Partially install the defroster grille.
  2. Connect the sensors (1, 2) to the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
  3. Align the tabs to the retainers in the instrument panel assembly.
  4. Apply downward pressure in order to seat the defroster grille.

Defroster Grille Replacement Oldsmobile

Removal Procedure


    Object Number: 319540  Size: SH
  1. Carefully pry the windshield defroster grille (1) up from the instrument panel assembly.
  2. Disconnect the wire harness.
  3. Remove the defroster grille.

Installation Procedure


    Object Number: 319540  Size: SH
  1. Partially install the defroster grille.
  2. Connect the wire harness.
  3. Align the tabs (2) to the retainers in the instrument panel assembly.
  4. Apply downward pressure in order to seat the defroster grille.