GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Blazer - 4WD - RHD 🢒 Restraints 🢒 SIR 🢒 Steering Column Accident Damage Inspection - Off Vehicle
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Object Number: 303713 Size: SH
  • Vehicles involved in accidents resulting in frame damage, major body or sheet metal damage, or where the steering column has been impacted, or where supplemental inflatable restraint systems deployed may also have a damaged or misaligned steering column.
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  • Check the capsules on the steering column bracket assembly.
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  • Securely seat all capsules in the bracket slots and check for any loose conditions when pushing or pulling by hand.
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  • Observe how the bracket attaches to the jacket assembly.
    •    - If the capsules are not securely seated and the bracket is bolted to the jacket assembly, replace only the bracket.
       - If the capsules are not securely seated and the bracket is welded to the jacket assembly, replace only the jacket assembly.
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    Object Number: 421722 Size: SH
  • Check for jacket assembly collapse by measuring the distance from the lower edge of the upper jacket to a defined point on the lower jacket. Replace the jacket assembly if the measured dimensions are not within specifications.
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    Object Number: 303724 Size: SH
  • Remove the SRS coil to observe the steering column shaft. Refer to Inflatable Restraint Steering Wheel Module Coil Disassemble - Off Vehicle .
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  • Visually inspect steering shaft for sheared injected plastic. If steering shaft shows sheared plastic, replace the steering shaft.
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  • Check steering shaft runout for any frame damage that could cause a bent steering shaft. Using a dial indicator (1) at the lower end of the steering shaft, rotate the steering wheel. The runout must not exceed 1.59 mm (0.0625 in).