Sierra 3500 Denali 4WD V8-6.0L (2011)
Important: Use a NEW steering shaft lock plate retaining ring.
1. Install the following parts onto the steering shaft:
1. Lubricate the turn signal switch cancel cam (3) with GM P/N 12377900 (Canadian P/N 10953529).
2. Turn signal switch cancel cam position plate (2)
3. Steering shaft lock plate retaining ring (1) using compressor J 23653-SIR and adapter J 42137 .
2. Install the inflatable restraint steering wheel module coil and the inflatable restraint steering wheel module coil wave washer. Refer to Steering
Wheel Inflatable Restraint Module Coil Replacement (See: Restraint Systems/Air Bag Systems/Clockspring Assembly / Spiral Cable/Service and
Repair/Removal and Replacement).