GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Eldorado 🢒 Restraints 🢒 SIR 🢒 Steering Wheel Inflatable Restraint Module Coil Replacement

Removal Procedure

Caution: When you are carrying an undeployed inflator module:

   • Do not carry the inflator module by the wires or connector on the inflator module
   • Make sure the bag opening points away from you
When you are storing an undeployed inflator module, make sure the bag opening points away from the surface on which the inflator module rests. When you are storing a steering column, do not rest the column with the bag opening facing down and the column vertical. Provide free space for the air bag to expand in case of an accidental deployment. Otherwise, personal injury may result.


    Object Number: 323513 Size: LH
  1. Turn the ignition switch to the OFF position.
  2. Disable the SIR system. Refer to Disabling the SIR System .
  3. Remove the steering wheel inflator module (3). Refer to Inflatable Restraint Steering Wheel Module Replacement .
  4. Remove the steering wheel retaining nut (2).
  5. Remove the steering wheel (1) from the steering column shaft. Refer to Steering Wheel Replacement .

    6. Object Number: 343711 Size: SH

    Important: The column must be in the 12 o'clock position.

    To align the steering shaft assembly to the 12 o'clock position. Turn the key to the off/lock position. Pull the key out and turn the steering shaft until you hear a click.

  6. The turn signal switch assembly must be in the "UP" position.
  7. Refer to Inflatable Restraint Steering Wheel Module Coil Disassemble - Off Vehicle in Steering for complete procedure.
  8. Pop the wire harness assembly out of the wire harness strap (1).
  9. Check steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle in Steering.

    10. Object Number: 343706 Size: SH
  10. Remove the SIR connector (1) from the fused jumper assembly connector (2).

    11. Object Number: 343702 Size: SH
  11. Remove the retaining ring.

    12. Object Number: 343717 Size: SH
  12. Remove the wire protector.
  13. Remove the SIR coil assembly.
  14. To remove the SIR coil assembly completely refer to the upper tilt head component assembly Turn Signal Cancel Cam and Upper Bearing Inner Race - Disassemble - Off Vehicle .

Installation Procedure

    Object Number: 293254 Size: SH
  1. To install the inflatable restraint steering wheel module coil:
    2. • Make sure that the wheels are straight ahead.
    • Align the block tooth and the centering mark on the race and upper shaft assembly (1) at the 12 o'clock position.

    Object Number: 396373 Size: SH
  2. The new SIR coil assembly will come pre-centered.
  3. If installing the existing SIR coil assembly, proceed to the next step.
  4. Follow the instructions on the notice (1) of the SIR coil assembly.

    5. Object Number: 343717 Size: SH

    Important: The column must be in the 12 o'clock position.

  5. Align the steering column to the 12 o'clock position.
  6. Install the hanging SIR coil assembly onto the race and upper shaft assembly.
  7. The new SIR coil assembly will come precentered. Once installed, pull the tab and remove.
  8. If the SIR coil assembly is completely off refer to the upper tilt head component assembly Turn Signal Cancel Cam and Upper Bearing Inner Race - Assemble - Off Vehicle .
  9. Install the wire protector into the support bracket.

    10. Object Number: 343702 Size: SH
  10. Install the retaining ring.

    11. Object Number: 343706 Size: SH
  11. Install the SIR coil assembly connector (1) to the fused jumper assembly connector (2).

    12. Object Number: 343711 Size: SH
  12. Put the wire harness assembly into the wire harness strap (1). Refer to Inflatable Restraint Steering Wheel Module Coil Assemble - Off Vehicle for complete installation procedure located in Steering.

    13. Object Number: 323513 Size: LH
  13. Install the steering wheel (1). Refer to Steering Wheel Replacement .
  14. Install the steering wheel inflator module (3). Refer to Inflatable Restraint Steering Wheel Module Replacement .
  15. Enable the SIR system. Refer to Enabling the SIR System .