GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Inflator Module Handling and Storage Caution in the Preface section.

    Caution: In order to prevent SIR deployment, personal injury, or unnecessary SIR system repairs, do not strike the door or the door pillar in the area of the side impact sensor (SIS). Turn OFF the ignition and remove the key when performing service in the area of the SIS.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling.
  2. Remove the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement.
  3. Remove the central pillar trim panel. Refer to Center Pillar Garnish Molding Replacement.
  4. Remove the rear sail panel. Refer to Sail Panel Replacement.
  5. Remove the rear seat back. Refer to Rear Seat Back Replacement.

  6. Object Number: 1457191  Size: SH
  7. Remove the connector position assurance (CPA) from the harness connector to the inflatable restraint roof rail module.
  8. Disconnect the harness connector from the roof rail module.
  9. Lower the headliner to gain clearance to the roof rail module.

  10. Object Number: 1457194  Size: SH
  11. Remove the fasteners (2, 3) from the roof rail module.
  12. Remove the roof rail module from the roof.

Installation Procedure

    Caution: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.

  1. Remove any dirt, grease, or other impurities from the mounting surface.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1457194  Size: SH
  3. Install the mounting fasteners (2, 3) to the inflatable restraint roof rail module.
  4. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).


    Object Number: 756768  Size: SH
  5. Install the roof rail module harness connector (1) to the wiring harness.
  6. Install the CPA to the roof rail module harness connector.
  7. Install the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement.
  8. Install the center pillar trim. Refer to Center Pillar Garnish Molding Replacement.
  9. Install the rear sail panel. Refer to Sail Panel Replacement.
  10. Install the rear seat back. Refer to Rear Seat Back Replacement.
  11. Enable the SIR system. Refer to SIR Disabling and Enabling.
  12. Fully deploy the module before disposal. If the module is replaced during warranty period, deploy and discard it after the required retaining period of the part. Refer to Inflator Module Handling and Scrapping.