GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 866908  Size: SH

    Important: If the ignition lock cylinder is replaced, the PASSLOCK relearn procedure must be performed.

  1. Disconnect the negative battery cable.
  2. Remove the lock cylinder bezel from the steering column shroud by carefully prying with a thin bladed screwdriver.
  3. Remove the shroud fasteners and remove the steering column upper and lower shroud panels.
  4. Insert the key into the ignition lock cylinder and rotate to the RUN position. Then rotate the ignition cylinder back to the ACC position.

  5. Object Number: 869217  Size: SH
  6. Depress the locking button on the side of ignition module assembly with a thin pick-type tool. Slide the lock cylinder assembly from the ignition module.

Installation Procedure


    Object Number: 868301  Size: SH

    Important: The actuator blade within the ignition module housing must be in the ACC position to install the lock cylinder assembly. If rotated, replace it to the ACC position using needle nose pliers.

  1. Insert the key into the ignition lock cylinder and install into the ignition module.

  2. Object Number: 866908  Size: SH
  3. Install the steering column upper and lower shroud panels and the shroud fasteners.
  4. Install the lock cylinder bezel.
  5. Reconnect the negative battery cable.