GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       • Air bag deployment
       • Personal injury
       • Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

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

  4. Object Number: 464227  Size: SH
  5. If the vehicle has an automatic transmission, remove the screw (1) from the automatic transmission park lock cable. Disconnect the automatic transmission park lock cable from the steering column lock and ignition switch cylinder.
  6. Remove the steering column lock bolts using a center punch.
  7. Turn the key to the ACC position or to the ON position.
  8. Remove the steering column lock and ignition switch cylinder from the steering column.

Installation Procedure


    Object Number: 464291  Size: SH
  1. Position the steering shaft hole (1) in the center of the steering column jacket hole (2).
  2. 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.
  5. Remove the key.
  6. Ensure the hub on the lock is aligned with the hole (1) in the steering shaft .
  7. Rotate the steering shaft in order to ensure the steering shaft locks.
  8. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 491787  Size: SH
  9. Secure the steering column lock and ignition switch cylinder to the steering column with 2 new steering column lock bolts.
  10. Tighten
    Tighten the bolts until the heads break off.

  11. Turn the key to the ACC position or to the ON position.
  12. Rotate the shaft in order to ensure smooth rotation.
  13. Turn the key to the LOCK position.
  14. Rotate the steering shaft in order to ensure the steering shaft locks.

  15. Object Number: 464227  Size: SH
  16. If the vehicle has an automatic transmission, connect the automatic transmission park lock cable to the steering column lock and ignition switch cylinder. Secure the automatic transmission park lock cable with 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 - On Vehicle .
  20. Enable the SIR. Refer to Enabling the SIR System in SIR.