Yukon XL 4WD V8-6.0L (2007)
1. Install the following parts onto the steering column shaft assembly:
1. Lubricate the turn signal cancel cam (3) with GM P/N 12377900 (Canadian P/N 10953529).
2. Turn signal switch cancel cam plate (2)
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.
6. Install the SIR coil.
7. Enable the SIR system. Refer to SIR Disabling and Enabling.