GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 375970  Size: SH
  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. Turn the ignition lock cylinder to the start position.
  5. Note: In order to remove the upper trim cover and lock cylinder you will need to release the lock cylinder retaining pin in the access hole of the ignition lock cylinder case.

  6. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement.
  7. Gently lift the upper trim cover so you may insert the tip of an awl into the access hole (1) of the ignition lock cylinder case.

  8. Push down and hold the retaining pin of the ignition lock cylinder.
  9. Release the ignition lock cylinder to the run position.

  10. Object Number: 375305  Size: SH
  11. Remove the ignition lock cylinder by pulling the cylinder away from the steering column.

Installation Procedure


    Object Number: 375309  Size: SH
  1. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement.
  2. Install the ignition lock cylinder by performing the following procedure:
  3. 2.1. Align the positioning locking tab slot on the ignition lock cylinder case to the positioning tab on the ignition lock cylinder.
    2.2. Push the lock cylinder in until the tab locks in the ignition lock cylinder case.
  4. Enable the SIR system. Refer to SIR Disabling and Enabling.
  5. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  6. Perform the Passlock Learn procedure. Refer to Immobilizer System Component Programming.