GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 TrailBlazer - 2WD 🢒 Steering 🢒 Steering Wheel and Column 🢒 Turn Signal Cancel Cam and Upper Bearing Thrust Washer

Tools Required
    • J 23653-SIR Steering Column Lock Plate Compressor
    • J 42137 Steering Column Lock Plate Compressor Adapter

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 293252 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.

    2. Important: Let the SIR coil hang freely after removal.

  2. Remove the SIR coil from the steering column. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
  3. Remove the wave washer (1) from the steering shaft assembly (2).

    4. Object Number: 338052 Size: SH
  4. Compress the cam orientation plate using J 23653-SIR and J 42137 .
  5. Remove the bearing retainer from the steering shaft assembly.
  6. Remove J 23653-SIR and J 42137 from the steering shaft assembly.
  7. Dispose of the bearing retainer.

    8. Object Number: 318239 Size: SH
  8. Remove the following from the steering shaft:
    9. 8.1. Shaft lock shield (5)
    8.2. Turn signal cancel cam assembly (4)
    8.3. Upper bearing spring (3)
    8.4. Upper bearing inner race seat (2)
    8.5. Inner race (1)

Installation Procedure

    Object Number: 330130 Size: SH
  1. Install the following to the steering shaft:
    2. 1.1. Inner race (1)
    1.2. Upper bearing inner race seat (2)
    1.3. Upper bearing spring (3)
    1.4. Turn signal cancel cam assembly (4)
    1.5. Shaft lock shield (5)

    Object Number: 338052 Size: SH
  2. Install a new bearing retainer onto the steering shaft assembly.
  3. Compress the cam orientation plate using J 23653-SIR and J 42137 to install the new bearing retainer.
  4. Remove J 23653-SIR and J 42137 from the steering shaft assembly.

    5. Object Number: 293252 Size: SH
  5. Install the wave washer (1) onto the steering shaft assembly (2).
  6. Install the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
  7. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.