GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Century 🢒 Accessories 🢒 Theft Deterrent 🢒 Ignition Lock Cylinder Replacement

Removal Procedure

    Object Number: 375970 Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

    2. Caution: Refer to SIR Caution in the Preface section.

  2. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  3. Turn the ignition lock cylinder to the start position.

    4. Important: 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.

  4. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement  .

    5. 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.

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

    7. Object Number: 375305 Size: SH
  7. 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.
  3. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  4. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Perform the Passlock learn procedure. Refer to Programming Theft Deterrent System Components in Theft Deterrent.