GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 TrailBlazer - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Driver or Passenger Seat Side Inflatable Restraint Module Replacement

Removal Procedure

    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 Disabling the SIR System .
  2. Remove the seat assembly from the vehicle. Refer to Front Seat Replacement - Bucket in Seats.
  3. Remove the seat trim panel. Refer to Seat Cushion Outer Trim Panel Replacement in Seats.
  4. Remove the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement in Seats.
  5. Remove the front seat back panel. Refer to Driver Seat and Passenger Seat Back Cushion Finish Panel Replacement in Seats.

    6. Object Number: 757363 Size: SH
  6. Remove the push pin (2) securing the top of the seat belt retractor assembly to the seat back frame.

    7. Object Number: 753528 Size: SH
  7. Remove the 2 screws (1) that secure the inflatable side impact module to the seat back frame.
  8. Disconnect the SIR wiring harness from the module.
  9. Remove the side impact module.
  10. 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 .

Installation Procedure
  1. Connect the SIR wiring harness to the module.

    2. Object Number: 753528 Size: SH

    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.

  2. Install the inflatable side impact module to the seat back frame with the 2 screws (1).

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


    Object Number: 757363 Size: SH
  3. Install the top of the seat belt retractor assembly to the seat back frame with the plastic push pin (2).
  4. Install the front seat back panel. Refer to Driver Seat and Passenger Seat Back Cushion Finish Panel Replacement in Seats.
  5. Install the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement in Seats.
  6. Install the seat trim panel. Refer to Seat Cushion Outer Trim Panel Replacement in Seats.
  7. Install the seat assembly to the vehicle. Refer to Front Seat Replacement - Bucket in Seats.
  8. Enable the SIR system. Refer to Enabling the SIR System .