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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 457 (Supplemental Inflatable Restraint System) >> Removal & Installation >> Sir Coil Assembly >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Ensure front wheels face straight ahead. 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 . Remove upper and lower steering column covers.
  3. Remove wire harness straps from steering wheel column wire harness. See Fig 1. Disconnect SIR coil connectors. Remove SIR coil retaining ring. Remove SIR coil assembly. Remove wave washer.
  4. To install, reverse removal procedure. If necessary, center SIR coil assembly. See CENTERING SIR COIL ASSEMBLY  under ADJUSTMENTS. Tighten 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
    G98F09772Courtesy of GENERAL MOTORS CORP.