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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 460 (Supplemental Inflatable Restraint System) >> Removal & Installation >> Sir Coil Assembly >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See ZONE 3  under DISABLING & ACTIVATING AIR BAG SYSTEM.
  2. Remove steering wheel. See STEERING WHEEL . Remove tilt column lever by pulling straight our from column. Remove upper and lower steering column covers.
  3. Remove wire harness straps from SIR coil wire leads. See Fig 1. Disconnect lower SIR coil connector. Remove retaining ring from steering shaft. Remove SIR coil assembly.
  4. To install, reverse removal procedure. Ensure SIR coil is centered. See CENTERING SIR COIL ASSEMBLY  under ADJUSTMENTS. Tighten upper and lower steering column 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.