Tools Required

1. Turn the ignition to the OFF position.
2. Disable the SIR system. Refer to Disabling the SIR System in SIR.
3. Remove the inflator module. Refer to Steering Wheel Inflator Module Replacement .



4. Scribe an alignment mark on the steering wheel hub. Align the mark with the slash mark on the steering shaft.
5. Loosen the steering wheel shaft nut. Align the steering wheel shaft nut flush with the end of the shaft.
6. Assemble the J 1859-A and theJ 42578 on the steering wheel.
7. Pull the wheel loose from the shaft.
8. Remove the steering wheel shaft nut.
9. Remove the steering wheel off the steering shaft.

1. Route the SIR connector through the steering wheel.
2. Align the scribe mark on the steering wheel with the slash mark on the steering shaft.
3. Install the steering wheel.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the steering wheel shaft nut.

Tighten
Tighten the steering wheel shaft nut to 45  (33 lb ft).

5. Install the inflator module. Refer to Steering Wheel Inflator Module Replacement .
6. Enable the SIR system. Refer to Enabling the SIR System in SIR.
7. Inspect the horn and the steering wheel for correct operation.
8. Inspect the operation of the steering wheel controls if equipped.