GM Service Manual Online
For 1990-2009 cars only

Supplemental Inflatable Restraint Driver Inflator Module

Removal Procedure

  1. Disable the SIR system. Refer to Disabling the SIR System in Restraints.

  2. Object Number: 70113  Size: SH
  3. Remove the two T30 TORX® screws retaining (4) the driver inflator module (3) to the steering wheel.
  4. Remove the inflator module (3) from the steering wheel.
  5. Disconnect the SIR electrical connector (2) from the back of the driver inflator module.
  6. Disconnect the horn wiring harness (6) from the steering column.
  7. Disconnect the ground wire (5) from the steering column.
  8. Remove the driver inflator module (3) from the vehicle.

Installation Procedure


    Object Number: 70112  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.

  1. Install the inflator module retaining screws (2) into the module, as shown before installing the module on the steering wheel.
  2. Tighten
    Tighten the inflator module retaining screws to 6 N·m (54 lb in).

  3. Connect the ground wire (4) to the steering column.
  4. Connect the horn wiring harness (3) to the steering column.
  5. Connect the SIR coil electrical connectors (1) and (5) to the back of the driver inflator module.
  6. Install the inflator module onto the steering wheel by pushing on both the right and left sides of the inflator module until the retaining screws snap into place.
  7. Enable the SIR system. Refer to Enabling the SIR System in Restraints.