GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Steering Wheel Inflatable Restraint Module Replacement

Removal Procedure

    Warning: Refer to SIR Warning in the Preface section.

    Warning: When carrying an undeployed inflator module:

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

  1. Disable the SIR system. Refer to SIR Disabling and Enabling
  2. Turn the ignition switch to the ON position in order to unlock the steering wheel.
  3. Turn the steering wheel 90 degrees so the side of the SIR module is at the 12 o'clock position in order to gain access to the access holes behind the steering wheel.

    4. Object Number: 245788 Size: SH
  4. Insert a flat-bladed tool into each access hole and push the leaf spring in order to release the notched pin that retains the inflator module.

    5. Object Number: 288763 Size: SH
  5. Turn the steering wheel 180 degrees in order to gain access to the remaining access holes.
  6. Insert a flat-bladed tool into the remaining access holes and push the leaf spring to release the notched pin that retains the inflator module.

    7. Object Number: 245799 Size: SH
  7. Tilt the top of the inflator module rearward in order to gain access to the SIR wiring.
  8. Disconnect the SIR lead wire from the clip on the inflator module.
  9. Disconnect the SIR lead wire from the clip on the steering wheel.

    10. Object Number: 245795 Size: SH
  10. Disconnect the connector position assurance (CPA) retainer.
  11. Disconnect the electrical connector.

    12. Warning: When carrying an undeployed inflator module:

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

  12. Remove the inflator module from the vehicle.
  13. 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: 245795 Size: SH
  1. Connect the SIR electrical connector.
  2. Connect the CPA retainer to the SIR connector.
  3. Install the SIR lead wire to the clip on the steering wheel.
  4. Install the SIR lead wire to the clip on the inflator module.

    5. Object Number: 245799 Size: SH

    Note: Ensure that the SIR wires do not get pinched during installation of the inflator module.

  5. Press the inflator module into the steering wheel firmly enough that the module engages and latches the notched pins in the leaf springs.
  6. Rotate the steering wheel back into the straight position.
  7. Enable the SIR system. Refer to SIR Disabling and Enabling
  8. Connect the battery negative cable.