GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Remove the steering wheel. Refer to Steering Wheel Replacement .
  4. Remove the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement .

  5. Object Number: 1829830  Size: SH
  6. Disconnect the electrical connector and depress the locking tabs to remove the turn signal multifunction switch.

  7. Object Number: 1829839  Size: SH
  8. Disconnect the electrical connector and depress the locking tabs to remove the wipers/washer switch.
  9. Disconnect the ignition housing electrical connectors.
  10. Important: Support the ignition housing prior to removal of the multifunction housing to ignition housing bolts.


    Object Number: 1829854  Size: SH
  11. Remove the 2 multifunction housing to ignition housing bolts.

  12. Object Number: 1829881  Size: SH
  13. Slide the multifunction lever bracket from the steering column.

Installation Procedure


    Object Number: 1829881  Size: SH
  1. Slide the multifunction housing onto the steering column.

  2. Object Number: 1829854  Size: SH

    Important: Ensure that the lock tab fully engages into the steering column slot.

  3. Assemble the lock housing and multifunction housing. Hand-tighten the bolts, leaving approximately 3.2 mm (0.125 in) gap at the bolt ends.
  4. Hand-tighten the lower bolt until snug.
  5. Hand-tighten the upper bolt until snug.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Tighten the lower bolt.
  8. Tighten
    Tighten the bolt to 8 N·m (71 lb in)

  9. Tighten the upper bolt.
  10. Tighten
    Tighten the bolt to 8 N·m (71 lb in)

  11. Connect the ignition housing electrical connectors.
  12. Important: Make sure that the locking tabs are properly seated.


    Object Number: 1829839  Size: SH
  13. Install the wipers/washer switch to the multifunction housing and connect the electrical connector.
  14. Important: Make sure that the locking tabs are properly seated.


    Object Number: 1829830  Size: SH
  15. Install the turn signal multifunction switch and connect the electrical connector.
  16. Install the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement .
  17. Install the steering wheel. Refer to Steering Wheel Replacement .
  18. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  19. Enable the SIR system. Refer to SIR Disabling and Enabling .