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Clockspring Assembly / Spiral Cable: Service and Repair



INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL REPLACEMENT

TOOLS REQUIRED
J 42640 Steering Column Anti Rotation Pin

REMOVAL PROCEDURE




1. Disable the SIR System. Refer to SIR Disabling and Enabling Zone 3. SIR Disabling and Enabling Zone 3

CAUTION: When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling and Enabling . Failure to observe the correct procedure could cause deployment of the SIR components, personal injury, or unnecessary SIR system repairs.

2. Verify the following before removing the SIR coil:
- The wheels on the vehicle are straight ahead.
- That J 42640 is installed or the ignition switch is in the LOCK position.

NOTE: The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the SIR coil assembly to become uncentered, which may cause damage to the coil assembly.

3. Remove the steering wheel from the steering shaft.




4. On vehicles with a tilt column, pull the tilt lever straight out from the steering column.




5. Remove 2 TORX(R) head screws (1) from the lower trim cover (2).
6. Remove the lower trim cover (2).




7. Remove 2 TORX(R) head screws (2) from the upper trim cover (1).
8. Remove the upper trim cover (1).




9. Remove the wire harness straps from the steering wheel column wire harness.
10. Remove the retaining ring (3).
11. Remove the SIR coil (4) from the steering shaft.
12. If replacing, discard the SIR coil.

INSTALLATION PROCEDURE




1. Verify the following:
- The wheels on the vehicle are straight ahead.
- That J 42640 is installed or the ignition switch is in the LOCK position.

NOTE:
- The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint malfunction.
- The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the SIR coil assembly to become uncentered, which may cause damage to the coil assembly.




2. If reusing the existing coil it MUST be centered. Refer to SIR Steering Wheel Module Coil - Centering in Steering Wheel and Column. Service and Repair

IMPORTANT: Do not remove the centering tab from the new SIR coil until the installation is complete. If the SIR coil does not come with a centering tab, you must center the SIR coil.




3. Align the SIR coil assembly (1) with the horn tower on the turn signal cancel cam assembly (2).




4. Slide the SIR coil (4) onto the steering shaft assembly (2).
5. Firmly seat the retaining ring (3) into the groove on the steering shaft assembly (2).
6. Remove and discard the centering tab from the new SIR coil (4).




7. Install the upper trim cover (1) and secure by using 2 TORX head screws (2).

NOTE: 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.

Tighten the screws to 1.5 N.m (13 lb in).




8. Install the lower trim cover (2) and secure by using 2 TORX(R) head screws (1).




9. Verify that the tabs on the lower trim cover (1) engage with the tabs on the upper trim cover (2). Snap the tabs together.

Tighten the screws to 1.5 N.m (13 lb in).




10. On vehicles with a tilt column, align the tilt lever into the steering column.
11. Slide the tilt lever handle into the steering column until the handle locks into position.




12. Install the steering wheel onto the steering shaft. Refer to Steering Wheel Replacement in Steering Wheel and Column. Steering Wheel
13. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3. SIR Disabling and Enabling Zone 3
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