Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement

Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement

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

Removal Procedure





1. Caution: Refer to SIR Caution in Service Precautions.

Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3.

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

Remove the SIR coil.
3. Remove the wave washer (1) from the steering column shaft (2).





4. Remove and discard the bearing retainer using J 23653-SIR and J 42137.





5. Remove the following parts from the steering column shaft:
1. The cam orientation plate (5)
2. The turn signal cancel cam assembly (4)
3. The upper bearing spring (3)
4. The upper bearing inner race seat (2)
5. The inner race (1)

Installation Procedure





1. Install the following parts onto the steering column shaft:
^ Lubricate the inner race (1) with GM P/N 12377900 (Canadian P/N 10953529)
^ Install the inner race (1)
^ The upper bearing inner race seat (2)
^ The upper bearing spring (3)
^ Lubricate the turn signal cancel cam assembly (3) with GM P/N 12377900 (Canadian P/N 10953529)
^ Install the turn signal cancel cam assembly (4) onto the steering shaft assembly
^ The cam orientation plate (5)





2. Install the new bearing retainer onto the steering shaft assembly.
3. Compress the cam orientation plate using J 23653-SIR and J 42137.
4. Firmly seat the bearing retainer into the groove on the steering shaft assembly.
5. Remove J 23653-SIR and J 42137.





6. Install the wave washer (1) onto the steering column shaft (2).
7. Install the SIR coil.
8. Enable the SIR system.