GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 LeSabre 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Inflatable Restraint Side Impact Sensor Replacement

Removal Procedure

    Caution: Do not strike or jolt the inflatable restraint side impact sensor (SIS). Before applying power to the SIS make sure that it is securely fastened. Failure to observe the correct installation procedures could cause SIR deployment, personal injury, or unnecessary SIR system repairs.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling or to SIR Disabling and Enabling .
  2. Removal of passenger or driver inflatable restraint side impact sensor (SIS) use the same procedure.
  3. Move the seat to the full forward position.
  4. Remove the center pillar trim panel. Refer to Center Pillar Garnish Molding Replacement in Interior Trim.

    5. Object Number: 457510 Size: SH
  5. Remove the connector position assurance (CPA) (5) from the inflatable restraint side impact sensor (SIS) harness connector (4).
  6. Disconnect the SIS harness connector (4) from the SIS (2).
  7. Remove the SIS mounting fasteners (1).
  8. Remove the SIS (2) from the center pillar sheet metal (3).

Installation Procedure

    Object Number: 457510 Size: SH
  1. Remove any dirt, grease, or other impurities from the mounting surface.
  2. Install the SIS (2) to the center pillar sheet metal (3).

    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.

  3. Install the SIS mounting fasteners (1).

    4. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  4. Install the SIS harness connector (4) to the SIS (2).
  5. Install the connector position assurance (CPA) (5) to the SIS harness connector (4).
  6. Install the center pillar trim. Refer to Center Pillar Garnish Molding Replacement in Interior Trim.
  7. Move the seat to the original position.
  8. Enable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling .