GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Disconnect the ignition switch connector.

  4. Object Number: 464227  Size: SH
  5. If the vehicle has an automatic transmission, complete the following steps:
  6. 4.1. Verify the shift lever is in PARK.
    4.2. Remove the screw (1) from the park lock cable.
    4.3. Disconnect the park lock cable from the steering column lock and ignition switch cylinder.

    Object Number: 464287  Size: SH
  7. Remove the steering column lock bolts (1) using a center punch or a screw extractor.
  8. Insert the key. Turn the key to the ACC position or to the ON position.
  9. Remove the steering column lock and ignition switch cylinder from the steering column.

Installation Procedure


    Object Number: 464291  Size: SH
  1. Position the hole in the steering shaft in the center of the hole in the steering column jacket (2).
  2. Insert the key. Turn the key to the ACC position or to the ON position.
  3. Position the steering column lock and ignition switch cylinder on the steering column.
  4. Turn the key to the LOCK position. Remove the key.
  5. Place the hub of the lock in the hole in the steering shaft.
  6. Rotate the steering shaft (1) in order to verify the steering shaft locks.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 491787  Size: SH
  8. Install 2 NEW steering column lock bolts to the steering column lock and ignition switch cylinder.
  9. Tighten
    Tighten the bolts until the bolt heads break off.

  10. Insert the key. Turn the key to the ACC position or to the ON position.
  11. Rotate the shaft in order to verify the shaft rotates smoothly.
  12. Turn the key to the LOCK position. Remove the key.
  13. Rotate the shaft in order to verify the shaft locks.

  14. Object Number: 464227  Size: SH
  15. If the vehicle has an automatic transmission, connect the automatic transmission park lock cable (2) to the steering column lock and ignition switch cylinder.
  16. Install the screw (1).
  17. Tighten
    Tighten the screw to 2.2 N·m (19.5 lb in).

  18. Connect the ignition switch connector.
  19. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  20. Enable the SIR. Refer to SIR Disabling and Enabling in SIR.