GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 LeSabre 🢒 Restraints 🢒 SIR 🢒 Driver or Passenger Seat Side Inflatable Restraint Module Replacement

Removal Procedure

    Object Number: 457177 Size: SH

    Caution: When you are carrying an undeployed inflator module:

       • Do not carry the inflator module by the wires or connector on the inflator module
       • Make sure the bag opening points away from you
    When you are storing an undeployed inflator module, make sure the bag opening points away from the surface on which the inflator module rests. When you are storing a steering column, do not rest the column with the bag opening facing down and the column vertical. Provide free space for the air bag to expand in case of an accidental deployment. Otherwise, personal injury may result.

  1. Disable the SIR system. Refer to Disabling the SIR System .
  2. Move the seat to the full forward position.
  3. Remove the rear cover (1) of the seat belt post from the front section (2).

    4. Object Number: 457181 Size: SH
  4. Reach under the seat and locate the zipper (1).
  5. Unzip the seat cushion cover from the bottom to the top, exposing 2 fasteners which hold the side impact inflator module to the seat.

    6. Object Number: 457186 Size: SH

    Important: Do not remove the center fastener from the side impact module inflator. Removal of the center fastener could cause the side air bag to deploy improperly, or unnecessary air bag system repairs.

  6. Remove the 2 top and bottom fasteners holding the side impact inflator module to the seat fasteners (1).

    7. Object Number: 457188 Size: MH
  7. Remove the side impact inflator module (1) from the seat (2).
  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 .
  9. Remove the connector position assurance (CPA) (4) from the electrical connector (5) to the side impact inflator module.
  10. Disconnect the electrical connector (5) from the side impact inflator module (1).

Installation Procedure

    Object Number: 457188 Size: MH

    Important: After a deployment or replacement, replace both retainer fasteners to insure proper inflator module positioning.

  1. Install a new push-in fastener (6) to the side impact inflator module (1).
  2. Install a new retainer fastener (3) to the seat (2).
  3. Connect the electrical connector (5) to the side impact inflator module (1).
  4. Install the CPA (4) to the electrical connector (5) of the side impact inflator module.
  5. Install the side impact inflator module (1) to the seat (2).

    6. Object Number: 457186 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.

  6. Install the 2 nuts (1) to the side impact inflator module.

    7. Tighten
    Tighten the nuts to 9 N·m (80 lb in).


    Object Number: 457181 Size: SH
  7. Pull the zipper (1) from the top to the bottom to seal the seat cushion cover.

    8. Object Number: 457177 Size: SH
  8. Install the rear cover (1) of the seat belt post to the front section (2).
  9. Install the seat to the original position.
  10. Enable the SIR system. Refer to Enabling the SIR System .