GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure

Tools Required

    • J 23653-SIR Lock Plate Compressor
    • J 42137 Lock Plate Compressor Adapter
  1. Remove the upper and lower shrouds. Refer to Steering Column Trim Cover Replacement - Off Vehicle
  2. Remove the SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement - Off Vehicle .

  3. Object Number: 322956  Size: SH
  4. Remove the bearing retainer (6) using tools J 23653-SIR and J 42137. Dispose of the bearing retainer.
  5. Remove the cam orientation plate (5).
  6. Remove the turn signal cancel cam assembly (4).
  7. Remove the upper bearing spring (3).
  8. Remove the upper bearing inner race seat (2).
  9. Remove the inner race (1).

Assembly Procedure

Tools Required

    • J 23653-SIR Lock Plate Compressor
    • J 42137 Lock Plate Compressor Adapter

    Object Number: 322978  Size: SH
  1. Install the inner race (1).
  2. Install the upper bearing inner race seat (2).
  3. Install the upper bearing spring (3).
  4. Install the turn signal cancel cam assembly (4). Lubricate with synthetic grease.

  5. Object Number: 322980  Size: SH
  6. Install the cam orientation plate (1).
  7. Install the new bearing retainer (2) using tools J 23653-SIR and J 42137. The bearing retainer must be firmly seated in the groove on the race and upper shaft assembly.
  8. Install the SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement - Off Vehicle .
  9. Install the upper and lower shrouds. Refer to Steering Column Trim Cover Replacement - Off Vehicle