Sierra Classic 2500 4WD V8-6.0L (2007)
2. Install the wave washer (1) to the steering column upper shaft.
3. A new SIR coil assembly will come pre-centered. However if centering is required, Refer to Inflatable Restraint Steering Wheel Module Coil
Centering. See: Procedures
4. Align the SIR coil (2) with the horn tower on the turn signal cancel cam (1)
Important: Do not remove the tab on the SIR coil until installation is complete.
5. Install the pre-centered SIR coil (2) to the steering column upper shaft.
6. Remove and discard the centering tab (1).
Notice: 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.
7. Install the retaining ring (1). Verify that the ring (1) is firmly seated in the groove on the upper shaft (2).
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. See: Air Bag(s) Arming and Disarming/Service and Repair
Inflatable Restraint Steering Wheel Module Coil Replacement (Coil and Harness Assembly)
Inflatable Restraint Steering Wheel Module Coil Replacement (Coil and Harness Assembly)
