GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 803004  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 negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Turn the ignition switch to the START position.
  3. Insert the awl into the lower steering column trim cover access hole.
  4. Press in the release button using the awl.

  5. Object Number: 803003  Size: SH
  6. Release the ignition switch to the RUN position.
  7. Remove the ignition lock cylinder.

Installation Procedure


    Object Number: 803003  Size: SH
  1. Install the ignition lock cylinder by doing the following procedure:
  2. • Align the positioning locking tab slot on the lock module to the positioning tab on the ignition lock cylinder.
    • Push the lock cylinder in until the locking tab locks in the lock module.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .