GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Refer to SIR Handling Caution in the Preface section.

  1. Disable the SIR. Refer to Disabling the SIR System in SIR.

  2. Object Number: 105551  Size: SH
  3. Remove the instrument panel (IP) upper trim panel. Refer to Instrument Panel Upper Trim Pad Replacement .
  4. Remove the fasteners (2) that secure the defroster grille to the IP carrier.
  5. Partially remove the defroster grille in order to disconnect the sunload sensors from the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
  6. Remove the defroster grille (3).

Installation Procedure


    Object Number: 105551  Size: SH
  1. Connect the electrical connectors and install the sunload sensors to the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
  2. Align the defroster grille (3) with the IP carrier.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the defroster grille fasteners (2).
  5. Tighten
    Tighten the defroster grille fasteners to 2 N·m (18 lb in).

  6. Install the IP upper trim panel. Refer to Instrument Panel Upper Trim Pad Replacement .
  7. Enable the SIR. Refer to Enabling the SIR System in SIR.