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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Supplemental Inflatable Restraint System) >> Removal & Installation >> Sir Coil Assembly >> Removal & Installation

Removal & Installation

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  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See ZONE 3  under DISABLING & ACTIVATING AIR BAG SYSTEM.
  2. Remove driver-side air bag module. See AIR BAG MODULES . Remove steering wheel. See STEERING WHEEL . On models with tilt column, remove tilt lever by pulling straight out from steering column. On all models, remove screws from lower steering column cover. Remove lower steering column cover. Remove screws from upper steering column cover. Remove upper steering column cover.
  3. Remove wire harness from steering column wire harness strap. Remove wire harness straps from wire harness. See Fig 1. Disconnect SIR coil connector. Remove retaining ring. Remove SIR coil assembly.
  4. To install, reverse removal procedure. Tighten upper and lower trim cover screws and steering wheel nut to specification. See TORQUE SPECIFICATIONS . Activate air bag system. See ZONE 3  under DISABLING & ACTIVATING AIR BAG SYSTEM.
Fig 1: Identifying SIR Coil Assembly
G99H26762Courtesy of GENERAL MOTORS CORP.