GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy Suburban - 2WD 🢒 Restraints 🢒 SIR 🢒 Instrument Panel Inflatable Restraint Module Replacement

Removal Procedure
  1. Disable the SIR system. Refer to Disabling the SIR System .
  2. Roll the instrument panel forward. Refer to Instrument Panel Assembly Replacement .

    3. Object Number: 388322 Size: SH
  3. Remove the fasteners (5) from the studs (4) attaching the inflatable restraint IP module to the mounting bracket.
  4. Remove the inflatable restraint IP module (2) from the front of the instrument panel. Ensure that you keep a firm hold of the module.
  5. Remove the yellow 2-way electrical harness connector at the left side of the mounting bracket.
  6. Remove the connector position assurance (CPA) from the yellow 2-way electrical harness connector.
  7. Remove the inflatable restraint IP module yellow pigtail connector (3) from the yellow 2-way electrical harness connector.
  8. Remove the inflatable restraint IP module from the instrument panel (1).
  9. 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, Shipping, and Scrapping .

Installation Procedure

    Object Number: 388322 Size: SH
  1. Install the inflatable restraint IP module to the instrument panel (1).
  2. Install the inflatable restraint IP module yellow pigtail connector (3) to the yellow 2-way electrical harness connector.
  3. Install the connector position assurance.
  4. Install the yellow 2-way electrical harness connector to the mounting on the left side of the mounting bracket.
  5. Install the 2 new retainer J-clips to the mounting bracket.
  6. Install the inflatable restraint IP module (2) to the mounting bracket through the front of the instrument panel (1). Use the 2 retainer J-clips in order to hold the inflatable restraint IP module in position.

    7. 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.

  7. Install the fasteners (5) to the studs (4) of the inflatable restraint IP module.

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

  8. Roll the instrument panel forward. Refer to Instrument Panel Assembly Replacement .
  9. Enable the SIR system. Refer to Enabling the SIR System .