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Home › Hummer › 2008 › H3 Base, Automatic › Repair and Diagnosis › External Pages › Different car › Section 165 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Steering Wheel Module Coil Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Steering Wheel, Shaft & Nut
    GM294367Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to SIR Caution .
  1. Disable the SIR System. Refer to SIR Disabling and Enabling .
    2. 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.
  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.
  3. Remove the steering wheel from the steering shaft. Refer to Steering Wheel Replacement .
    4. Fig 2: Removing/Installing Tilt Lever
    GM82174Courtesy of GENERAL MOTORS CORP.
  4. On vehicles with a tilt column, pull the tilt lever straight out from the steering column.
    5. Fig 3: Removing/Installing Lower Trim Cover
    GM283270Courtesy of GENERAL MOTORS CORP.
  5. Remove 2 TORX® head screws (1) from the lower trim cover (2).
  6. Remove the lower trim cover (2).
    7. Fig 4: Removing/Installing Upper Trim Cover
    GM283271Courtesy of GENERAL MOTORS CORP.
  7. Remove 2 TORX® head screws (2) from the upper trim cover (1).
  8. Remove the upper trim cover (1).
    9. Fig 5: Identifying SIR Coil, Steering Shaft Assembly & Retaining Ring
    GM322951Courtesy of GENERAL MOTORS CORP.
  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.
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