GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Warning: Refer to SIR Warning in the Preface section.

  3. Disable the SIR system. Refer to SIR Disabling and Enabling.
  4. Remove the steering wheel. Refer to Steering Wheel Replacement.

  5. Object Number: 777650  Size: SH
  6. Remove the retaining screw from the lower steering column trim covers.
  7. Tilt the trim cover down and slide rearward in order to disengage the locking tabs. Remove the lower steering column trim covers.
  8. Remove the retaining screws from the upper steering column trim cover.

  9. Object Number: 850886  Size: SH
  10. Lift the trim cover in order to gain access to the lock cylinder access hole (1).

  11. Object Number: 850894  Size: SH
  12. Insert a bent-tip awl with a 2.5 mm (3/32 in) tip and 20 mm (3/4 in) in length into the access hole of the ignition lock cylinder.
  13. Turn the ignition lock cylinder to START.
  14. Use the bent tip in order to push down on the ignition lock cylinder retainer.
  15. Release the ignition lock cylinder to the RUN position.

  16. Object Number: 375305  Size: SH
  17. Remove the ignition lock cylinder from the lock cylinder case.

Installation Procedure

  1. Insert the ignition lock cylinder through the trim cover in the upper steering column.
  2. Align the lock cylinder retaining tab and the position tab with the slots in the lock housing.

  3. Object Number: 375309  Size: SH
  4. Completely push the lock cylinder into the lock housing.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the retaining screws to the upper steering trim cover and tighten to 3.5 N·m (31 lb in).
  7. Match the tab slots on the lower trim cover with the locking tabs on the upper trim cover.
  8. Tilt the lower trim cover up and slide the lower trim cover until the locking tabs snap into the tab slots.
  9. Install the lower trim cover screws to the steering column and tighten to 1.5 N·m (13 lb in).

  10. Object Number: 777650  Size: SH
  11. Install the steering wheel. Refer to Steering Wheel Replacement.
  12. Enable the SIR system. Refer to SIR Disabling and Enabling.
  13. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.