GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra 🢒 Safety and Security 🢒 Theft Deterrent 🢒 Ignition Lock Cylinder Replacement

Removal Procedure

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


    Object Number: 1308107 Size: SH
  1. Disconnect the negative battery cable.

  2. Remove the upper and the lower steering column cover and panel by removing the screws.
  3. Disconnect the electrical connector for the immobilizer detection coil.

    4. Object Number: 1308221 Size: SH
  4. With the key in the ignition turned to the position designated ACC, remove the lock cylinder by pressing down the detent spring and pulling the lock cylinder out of the switch cylinder housing.

Installation Procedure

    Object Number: 1308107 Size: SH
  1. Install the lock cylinder.
  2. Connect the electrical connector for the immobilizer detection unit.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the upper and the lower steering column cover panel with the screws.

    4. Tighten
    Tighten the upper and the lower steering column cover panel screws to 2.5 N·m (22 lb in).

  4. Connect the negative battery cable.