Yukon/Denali 2WD V8-4.8L VIN V (2005)
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:
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The wheels on the vehicle are straight ahead.
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That J 42640 is installed or the ignition switch is in the LOCK position
NOTE:
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The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint
malfunction.
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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.
