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Home >> Chevrolet >> 2011 >> Chevy Express G2500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Steering Wheel Inflatable Restraint Module Coil Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable the SIR System. Refer to SIR Disabling and Enabling .
    2. CAUTION: With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured in position before disconnecting the following components:
    • The steering column
    • The intermediate shaft(s)
    • The steering gear

    After disconnecting these components, do not rotate the steering wheel or move the front tires and wheels. Failure to follow this procedure may cause the SIR coil assembly to become un-centered and cause possible damage to the SIR coil. If you think the SIR coil has became un-centered, refer to your specific SIR coil's centering procedure to re-center SIR Coil.
  2. Verify the following:
    • The wheels on the vehicle are straight ahead.
    • The J-42640:  pin 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 1: Identifying Tilt Lever & Steering Column
    GM82174Courtesy of GENERAL MOTORS CORP.
  4. If equipped with a tilt column, pull the tilt lever straight out from the steering column.
  5. Remove the steering column trim covers. Refer to Steering Column Trim Cover Replacement .
  6. Remove the wire harness straps from the steering wheel column wire harness.
    7. Fig 2: Identifying SIR Coil, Steering Shaft Assembly & Retaining Ring
    GM322951Courtesy of GENERAL MOTORS CORP.
  7. Remove the retaining ring (3).
  8. Remove the SIR coil (4) from the steering shaft.
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