GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1224907  Size: SH
  1. Remove the steering wheel. Refer to Steering Wheel Replacement .
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Disconnect the electrical connector for the immobilizer detection coil.
  4. With the key in the ignition, turn to the position designated (1).
  5. Remove the lock cylinder by pressing down the detent spring with a 2.5 mm allen wrench (2), or other suitable tool, and pulling the lock cylinder out of the switch cylinder housing.

Installation Procedure


    Object Number: 1224909  Size: SH

    Important: To install the ignition lock cylinder, the ignition position should be designated (I).

  1. Install the ignition lock cylinder.
  2. Connect the electrical connector for the immobilizer detection coil.
  3. Install the steering wheel. Refer to Steering Wheel Replacement .