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Home >> Cadillac >> 2011 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1289 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Steering Wheel Inflatable Restraint Module Coil Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    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.
  3. Align the inflatable restraint steering wheel module coil (1) with the horn tower on the turn signal switch cancel cam (2).
  4. Fig 2: Identifying SIR Coil, Steering Shaft Assembly & Retaining Ring
    GM322951Courtesy of GENERAL MOTORS CORP.
  5. Slide the inflatable restraint steering wheel module coil (4) onto the steering shaft (2).
  6. Firmly seat the new inflatable restraint steering wheel module coil retaining ring (3) into the appropriate groove on the steering shaft (2).
  7. Remove and discard the centering tab from the new inflatable restraint steering wheel module coil (4).
  8. Connect any electrical connectors as needed.
  9. Install the steering column shroud. Refer to Steering Column Shroud Replacement .
  10. Install the steering wheel. Refer to Steering Wheel Replacement .
  11. Remove anti-rotation pin J 42640  .