GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SLS 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 Seat Belt Buckle Pretensioner Replacement

Removal Procedure

Warning: Refer to SIR Warning in the Preface section.

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

Warning: When carrying an undeployed inflatable restraint seat belt pretensioner:

   • Do not carry the seat belt pretensioner by the wires or connector.
   • Carry the seat belt pretensioner by the piston tube, keeping hands and fingers away from the cable.
   • Make sure the open end of the seat belt pretensioner piston tube points away from you and other people.
   • Do not cover the seat belt pretensioner piston tube opening with your hand.
Failure to observe these guidelines may result in personal injury.


    Object Number: 1481732 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling.

    2. Note: Note the wiring and connector routing during the removal, in order to route the wiring properly during assembly.

  2. Remove the seat.
  3. Remove the pretensioner trim cover.
  4. Remove the pretensioner nut (3) and remove the pretensioner (2) from the seat.
  5. 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 Pretensioner Handling and Scrapping.

Installation Procedure

    Note: The pretensioner has a locating tab that ensures the pretensioner is in the proper position.


    Object Number: 1481732 Size: SH
  1. Align the locating tab to the slot and install the pretensioner (2) to the seat.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the nut (3) while holding the pretensioner in place.

    3. Tighten
    Tighten the nut to 41 N·m (30 lb ft).

  3. Install the pretensioner trim cover.
  4. Install the seat.
  5. Enable the SIR system. Refer to SIR Disabling and Enabling.