GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23653-SIR Steering Column Lock Plate Compressor
    • J 42137 Cam Orientation Plate

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 330127  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Important: Let the SIR coil assembly hang freely after removal.

  3. Remove the SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement .
  4. Compress the shaft lock shield assembly using J 23653-SIR and J 42137 .
  5. Remove the bearing retainer (1) from the steering shaft assembly.
  6. Discard the bearing retainer.
  7. Remove J 23653-SIR and J 42137 from the steering shaft assembly.

  8. Object Number: 389656  Size: SH
  9. Remove the following parts from the steering shaft assembly:
  10. 7.1. The shaft lock shield assembly (4)
    7.2. The turn signal cancel cam assembly (3)
    7.3. The upper bearing spring (2)
    7.4. The thrust washer (1)

Installation Procedure


    Object Number: 389659  Size: SH
  1. Install the following parts onto the steering shaft assembly:
  2. 1.1. The thrust washer (1)
    1.2. The upper bearing spring (2)
    1.3. Lubricate the turn signal cancel cam assembly with GM P/N 12377900 (Canadian P/N 10953529)
    1.4. The turn signal cancel cam assembly (3)
    1.5. The shaft lock shield assembly (4)

    Object Number: 330127  Size: SH
  3. Compress the shaft lock shield assembly using J 23653-SIR and J 42137 .
  4. Install the new bearing retainer (1) onto the steering shaft assembly.
  5. Firmly seat the bearing retainer (1) into the groove on the steering shaft assembly.
  6. Remove J 23653-SIR and J 42137 from the steering shaft assembly.
  7. Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

  8. Install the SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement .
  9. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.