GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 897100  Size: SH

    Notice: Cover driver seat to protect seat trim.

  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
  3. Remove HVAC duct.

  4. Object Number: 899266  Size: SH
  5. Remove knee bolster.

  6. Object Number: 891744  Size: SH
  7. Disconnect connectors at wiper/washer switch and headlamp/turn switch.
  8. Disconnect ignition switch electrical connectors at left of steering column.
  9. Disconnect interlock solenoid electrical connector at right of steering column.
  10. Disconnect ignition switch connector at right of column.

  11. Object Number: 891750  Size: SH
  12. Remove wiper/washer and headlamp/turn signal switch.

  13. Object Number: 891592  Size: SH
  14. Remove signal switch housing.

  15. Object Number: 891747  Size: SH
  16. Remove upper intermediate shaft bolt and disconnect shaft from steering column.

  17. Object Number: 891746  Size: SH
  18. Remove steering column lower support bolt.
  19. Important: Behind the nut is a plastic locator for steering column. This piece will center steering column in front of driver in the event of an accident.

  20. Remove steering column upper support bolt and nut.
  21. Remove steering column from vehicle.

  22. Object Number: 891598  Size: SH

    Important: The following steps are provided if replacing steering column.

  23. Position steering column in a vise at upper bracket. Using a centering punch, mark the center of shear bolts on lock cylinder housing assembly.

  24. Object Number: 891608  Size: SH
  25. Drill a small hole (1/8 in. drill bit) in shear bolts at center mark. Remove shear bolts with a screw extractor, and remove ignition module and housing from steering column.

Installation Procedure


    Object Number: 891608  Size: SH

    Important: The following step is used if replacing steering column.

  1. Use new shear bolts to install lock cylinder housing assembly on steering column. Torque shear bolts until heads break off.
  2. Carefully place the steering column in the vehicle.

  3. Object Number: 891746  Size: SH

    Important: The plastic steering column locator should be installed behind upper steering column mount nut. This locator centers steering column to driver in the event of an accident

  4. Install upper and lower steering column mount bolts and upper steering column mount nut along with locator.
  5. Tighten
    Tighten Steering Column-to-I/P Support Beam Fasteners to 30 N·m (22 lb ft).


    Object Number: 891747  Size: SH

    Important: Use Loctite 242® Threadlocker (or equivalent) on thread of pinch bolt.

  6. Connect intermediate shaft, install pinch bolt.
  7. Tighten
    Tighten Intermediate Shaft Pinch Bolt to 30 N·m (22 lb ft).


    Object Number: 891592  Size: SH
  8. Install signal switch housing to steering column.
  9. Tighten
    Tighten Signal Switch Housing-to-Steering Column Screws to 1.5 N·m (14 lb in).


    Object Number: 891750  Size: SH
  10. Install wiper/washer and headlamp/turn signal switch.

  11. Object Number: 891744  Size: SH
  12. Connect interlock solenoid electrical connector at bottom of steering column.
  13. Connect electrical at the wiper/washer switch and headlamp/turn switch.
  14. Connect ignition switch connectors at left side of column.
  15. Connect ignition switch connector at right side of column.

  16. Object Number: 899266  Size: SH
  17. Install knee bolster.

  18. Object Number: 897100  Size: SH
  19. Install HVAC duct.
  20. Install SIR coil assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
  21. Enable the SIR system. Refer to Enabling the SIR System in SIR.