GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Restraints 🢒 SIR 🢒 Driver or Passenger Seat Side Inflatable Restraint 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 wiring harness retaining clips from the seat frame (3).

    7. Important: Note the routing of the inflatable restraint side impact module wiring harness and the retaining clips within the seat frame. You must route the wiring harness (2) in the exact same way as the factory to eliminate the possibility of any cutting or chafing of the wiring harness.

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

Installation Procedure

    Object Number: 628565 Size: SH
  1. Install the module wiring harness (2) to the seat frame (3) while guiding the wiring harness through the appropriate spots on the seat frame.
  2. Install the wiring harness retaining clips 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: Refer to Fastener Notice in the Preface section.

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

    6. Tighten
    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 .