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Home › Cadillac › 2009 › Escalade EXT › Repair and Diagnosis › Restraints › Air Bag, SRS › Supplemental Inflatable Restraint System › Repair Instructions › Steering Wheel Inflatable Restraint Module Coil Replacement › Installation Procedure

Installation Procedure

    CAUTION: The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint malfunction.
    NOTE: Do not remove the centering tab from the new inflatable restraint steering wheel module coil until the installation is complete. If the centering tab is missing then re-center the assembly.
  1. If reusing the existing inflatable restraint steering wheel module coil it MUST be centered. Refer to Inflatable Restraint Steering Wheel Module Coil Centering .
    2. Fig 1: Aligning SIR Coil Assembly With Horn Tower
    GM312359Courtesy of GENERAL MOTORS CORP.
  2. Align the inflatable restraint steering wheel module coil (1) with the horn tower on the turn signal switch cancel cam (2).
    3. Fig 2: Identifying SIR Coil, Steering Shaft Assembly & Retaining Ring
    GM322951Courtesy of GENERAL MOTORS CORP.
  3. Slide the inflatable restraint steering wheel module coil (4) onto the steering shaft (2).
  4. Firmly seat the new inflatable restraint steering wheel module coil retaining ring (3) into the appropriate groove on the steering shaft (2).
  5. Remove and discard the centering tab from the new inflatable restraint steering wheel module coil (4).
  6. Connect any electrical connectors as needed.
  7. Install the steering column shroud. Refer to Steering Column Shroud Replacement (Without Electronic Tilt Steering) or Steering Column Shroud Replacement (With Electronic Tilt Steering) .
  8. Install the steering wheel. Refer to Steering Wheel Replacement .
  9. Remove anti-rotation pin J 42640  . See Special Tools .
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