GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 Instrument Panel Inflatable Restraint Module Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 819729 Size: SH

    Caution: 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. Remove the passenger knee bolster. Refer to Passenger Knee Bolster Replacement.
  3. Remove the connector position assurance (CPA) from the inflatable restraint I/P module harness connector.
  4. Disconnect the I/P module pigtail connector.

    5. Object Number: 189875 Size: SH
  5. Remove the mounting fasteners (2) from the I/P module.
  6. Remove the I/P module (3) from the I/P carrier (1).
  7. 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: 189875 Size: SH
  1. Install the inflatable restraint I/P module (3) to the I/P carrier (1).

    2. 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.

  2. Install the mounting fasteners (2) to the I/P module.

    3. Tighten
    Tighten the fasteners to 10 N·m (89 lb in).

  3. Connect the I/P module pigtail connector.
  4. Install the CPA to the I/P module harness connector.
  5. Install the passenger knee bolster. Refer to Passenger Knee Bolster Replacement.
  6. Enable the SIR system. Refer to SIR Disabling and Enabling.