Silverado 2500 4WD V8-8.1L VIN G (2006)
NOTE: Ensure all fasteners are securely seated before applying needed torque. Failure to do so may result in component damage or malfunctioning
of steering column.
3. A new SIR coil assembly will come pre-centered. However if centering is required, refer to Inflatable Restraint Steering Wheel Module Coil
Centering in Steering Wheel and Column.
4. Align the SIR coil (2) with the horn tower on the turn signal cancel cam (1)
5. Install the pre-centered SIR coil (2) to the steering column upper shaft.
IMPORTANT: Do not remove the tab on the SIR coil until installation is complete.
6. Remove and discard the centering tab (1).
7. Install the retaining ring (1). Verify that the ring (1) is firmly seated in the groove on the upper shaft (2).
NOTE: Gently pull on the lower coil assembly wire in order to remove any wire kinks inside of the column assembly. Verify that there are NO kinks
or bends in the SIR coil assembly wire. If a kink or bend is present, interference may occur with the shaft lock mechanism. Turning the steering wheel
may cut or damage the wire.
8. Install the wire harness assembly (4) into the wire strap (5).
9. Install the wire harness strap (2) into the upper tilt head assembly (1).
10. Install wire harness straps (3) to the wire harness assembly.
11. Install the steering column trim covers.
12. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3.
