GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       • Air bag deployment
       • Personal injury
       • Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

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

  2. Object Number: 105551  Size: SH
  3. Remove the instrument panel upper trim panel. Refer to Instrument Panel Upper Trim Pad Replacement .
  4. Remove the fasteners (2) securing defroster grille to instrument panel carrier.
  5. Remove the defroster grille (3).
  6. Disconnect the sensors from the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .

Installation Procedure


    Object Number: 105551  Size: SH
  1. Connect the sensors to the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
  2. Align the defroster grille (3) with IP carrier.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

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

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