GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 23653-D SIR Lock Plate Compressor

  1. Remove the steering wheel module coil. Allow the SIR coil assembly to hang freely. Refer to the following procedures:
  2. •  Inflatable Restraint Steering Wheel Module Coil Disassemble - Off Vehicle
    •  Inflatable Restraint Steering Wheel Module Coil Assemble - Off Vehicle

    Object Number: 440060  Size: SH
  3. Remove the shaft lock bearing retainer (1) using the J 23653-D in order to push down the shaft lock (2).
  4. Dispose of the bearing retainer (1).


    Object Number: 440063  Size: SH
  5. Remove the shaft lock (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.
  9. Remove the inner race (1).

Installation Procedure

Tools Required

J 23653-D SIR Lock Plate Compressor


    Object Number: 440063  Size: SH
  1. Install the inner race (1).
  2. Install the upper bearing inner race seat.
  3. Install the upper bearing spring (3).
  4. Install the turn signal cancel cam assembly (4).
  5. Install the shaft lock (5). Align the inner block tooth of the lock plate to the block tooth of the race and upper shaft assembly.
  6. Lubricate the shaft lock with synthetic grease.


    Object Number: 440060  Size: SH
  7. Install the new shaft lock bearing retainer (1). Use the J 23653-D in order to push down the shaft lock.
  8. Firmly seat the new shaft lock bearing retainer in the groove on the race and upper shaft assembly.
  9. Install the steering wheel module coil. Refer to the following procedures:
  10. •  Inflatable Restraint Steering Wheel Module Coil Disassemble - Off Vehicle
    •  Inflatable Restraint Steering Wheel Module Coil Assemble - Off Vehicle