GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 HHR 🢒 Steering 🢒 Steering Wheel and Column 🢒 Steering Wheel Inflatable Restraint Module Coil Replacement

Removal Procedure

    Notice: The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint malfunction.

  1. Place the front wheels in the straight forward position with the steering wheel centered.
  2. Disable the SIR system. Refer to SIR Disabling and Enabling .
  3. Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  4. Remove the steering wheel. Refer to Steering Wheel Replacement .
  5. Remove the steering column covers. Refer to Steering Column Trim Covers Replacement .

    6. Object Number: 854953 Size: SH
  6. Disconnect the SIR coil harness connector from the SIR coil module assembly.
  7. Disconnect the headlamp/turn signal harness connector from the SIR coil module assembly.
  8. Disconnect the wiper/washer harness connector for the SIR coil module assembly.

    9. Object Number: 1551347 Size: SH
  9. Using a small flat-bladed tool, carefully pry the 2 retaining tabs away at the base of the SIR coil assembly and slide the SIR coil assembly off of the steering column.

    10. Object Number: 1551345 Size: SH
  10. Remove the headlamp/turn signal switch from the SIR coil module assembly. Refer to Turn Signal Multifunction Switch Replacement .
  11. Remove the wiper washer switch from the SIR coil module assembly. Refer to Windshield Wiper and Washer Switch Replacement .

Installation Procedure
  1. Install the wiper washer switch from the SIR coil module assembly. Refer to Windshield Wiper and Washer Switch Replacement .
  2. Install the headlamp/turn signal switch to the SIR coil module assembly. Refer to Turn Signal Multifunction Switch Replacement .
  3. Install the headlamp/turn signal switch screws.
  4. Verify the SIR coil is in the center position. Refer to Inflatable Restraint Steering Wheel Module Coil Centering .
  5. Slide the SIR coil assembly on the steering column and snap into place.

    6. Object Number: 854953 Size: SH
  6. Connect the wiper/washer harness connector to the SIR coil module assembly.
  7. Connect the headlamp/turn signal harness connector to the SIR coil module assembly.
  8. Connect the SIR coil harness connector to the SIR coil module assembly.
  9. Install the steering column covers. Refer to Steering Column Trim Covers Replacement .
  10. Install the steering wheel. Refer to Steering Wheel Replacement .
  11. Install the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  12. Enable the SIR system. Refer to SIR Disabling and Enabling .