GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Instrument Panel Inflatable Restraint Module Replacement

Removal Procedure

    Object Number: 189085 Size: SH

    Caution: When you are carrying an undeployed inflator module:

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

  1. Disable the SIR system. Refer to Disabling the SIR System .
  2. Remove the passenger knee bolster. Refer to Passenger Knee Bolster Replacement .
  3. Remove the connector position assurance (CPA) retainer (2) from the inflatable restraint IP module harness connector.
  4. Disconnect the inflatable restraint IP module connector (1).
  5. Remove the clip that retains the inflatable restraint IP module harness to the instrument panel (3).

    6. Object Number: 388352 Size: SH
  6. Remove the two bolts (2) that retain the inflatable restraint IP module (3) to the instrument panel carrier.
  7. Push out from the back side in order to remove the inflatable restraint IP module from the instrument panel.
  8. 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: 388352 Size: SH
  1. Install the inflatable restraint IP module (3).

    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 two bolts (2) that retain the inflatable restraint IP module to the instrument panel carrier.

    3. Tighten
    Tighten the bolts to 5 N·m (44 lb in).


    Object Number: 189085 Size: SH
  3. Install the inflatable restraint IP module connector (1).
  4. Install the connector position assurance (CPA) retainer (2).
  5. Install the clip that retains the inflatable restraint module harness to the instrument panel (3).
  6. Install the passenger knee bolster. Refer to Passenger Knee Bolster Replacement .
  7. Enable the SIR system. Refer to Enabling the SIR System .