GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Restraints 🢒 SIR 🢒 Rear Seat Body Side Inflatable Restraint Module Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

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


    Object Number: 106079 Size: SH

    Caution: Following the deployment of a side impact air bag, inspect the following parts for damage. Replace these parts if necessary:

       • The seat cushion frame
       • The seat recliner, if equipped
       • The seat adjuster
       • The seat back frame
    Failure to do so may cause future personal injury.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling .
  2. Remove the rear seat back. Refer to Rear Seat Back Replacement in Seats.

    3. Object Number: 508224 Size: MH
  3. Remove the fasteners (4) from the rear side inflator module (5).
  4. Remove the rear side inflator module.

Installation Procedure

    Object Number: 508224 Size: MH
  1. Install new rear side inflator module (5) to the body panel (1).

    2. 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.

    Important: When reinstalling or replacing rear side inflator module, apply thread locking compound GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the threads of the studs.

  2. Install the mounting fasteners (4) to the rear side inflator module.

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

  3. Connect the wiring harness (3) from the rear side inflator module to the vehicle wiring harness (2).
  4. Install the CPA to the rear side air bag connector (2,3).
  5. Install the retaining clip to the air bag connector assembly.

    6. Object Number: 106079 Size: SH
  6. Install the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  7. Enable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling .
  8. Fully deploy the module before disposal. If the module was replaced under warranty, fully deploy and dispose of the module after the required retention period. Refer to Inflator Module Handling and Scrapping .