GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon - 2WD 🢒 Restraints 🢒 SIR 🢒 Inflatable Restraint Front Seat Side Impact Inflator Module Replacement

Removal Procedure

    Object Number: 624131 Size: SH

    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.

    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 front seat. Refer to Front Seat Replacement - Bucket in Seats.
  3. Remove the seat back cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement in Seats.
  4. Remove the retaining bolts (3) that attach the inflatable restraint side impact module (1) to the seat frame.
  5. Remove the side impact module retainer.

    6. Object Number: 628565 Size: SH
  6. Remove the retaining clips to the side impact module wiring harness from the seat frame (3).

    7. Important: Note the routing of the side impact module wiring harness (2) and the retaining clips within the seat frame (3). Route the wiring harness (2) exactly the same way as the factory to eliminate the possibility of any cutting or chafing of the wiring harness.

  7. Remove the side impact module wiring harness (2) from the seat frame (3).
  8. Remove the side impact module (1) from the seat frame (3).

Installation Procedure

    Object Number: 628565 Size: SH
  1. Install the wiring harness (2) for the inflatable restraint side impact module to the seat frame (3). Guide the wiring harness through the appropriate spots on the seat frame.
  2. Install the retaining clips for the side impact module wiring harness to the seat frame.

    3. Object Number: 624131 Size: SH
  3. Install the side impact module (1) to the seat frame.
  4. Install the side impact module retainer.

    5. 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.

  5. Install the side impact module retaining bolts (3).

    6. Tighten
    Use only hand tools to tighten the bolts to 10 N·m (89 lb in).

  6. Install the seat back cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement in Seats.
  7. Install the front seat. Refer to Front Seat Replacement - Bucket in Seats.
  8. Enable the SIR system. Refer to Enabling the SIR System .
  9. 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, Shipping, and Scrapping .