GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 294367  Size: SH
  1. Disable the SIR System. Refer to SIR Disabling and Enabling .
  2. Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  3. Remove the steering wheel. Refer to Steering Wheel Replacement in Steering Wheel and Column.
  4. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .

  5. Object Number: 1230490  Size: SH
  6. Disconnect the SIR harness.
  7. Remove the SIR coil (2) from the steering shaft.
  8. If replacing, discard the SIR coil.

Installation Procedure


    Object Number: 332911  Size: SH
  1. To install the SIR coil, perform the following procedure:
  2. 1.1. Aim the wheels straight ahead.
    1.2. Align the block tooth and the centering mark on the race and upper shaft assembly at the 12 o'clock position.

    Important: The new SIR coil will be pre-centered. Do not remove the centering tab from the new SIR coil until the installation is complete. If the SIR coil does not come with a centering tab, you must center the SIR coil.

  3. If centering is required, refer to Inflatable Restraint Steering Wheel Module Coil Centering in Steering Wheel and Column.

  4. Object Number: 1230490  Size: SH

    Important: The new SIR coil will be pre-centered. Do not remove the centering tab from the new SIR coil until the installation is complete.

  5. Slide the new SIR coil (2) onto the steering shaft assembly (1).
  6. Connect the SIR harness.
  7. Remove and discard the centering tab from the new SIR coil.
  8. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .

  9. Object Number: 294367  Size: SH
  10. Install the steering wheel. Refer to Steering Wheel Replacement .
  11. Install the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  12. Enable the SIR system. Refer to SIR Disabling and Enabling .