GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the ignition lock cylinder. Refer to Ignition Switch Lock Cylinder Replacement .

  2. Object Number: 497541  Size: SH
  3. Remove the fasteners securing the ignition switch to the I/P retainer.
  4. Push and release the retaining tab at the rear of the ignition switch.

  5. Object Number: 497538  Size: SH
  6. Remove the ignition switch through the radio opening in the retainer.
  7. Disconnect the shift interlock cable from the ignition switch.
  8. Disconnect the electrical connectors from ignition switch.

Installation Procedure

  1. Install the electrical connectors to the ignition switch.
  2. Connect the shift interlock cable to the ignition switch.
  3. Route the ignition switch through the radio opening and position to the retainer.

  4. Object Number: 497538  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the fasteners in order to secure the ignition switch to the I/P retainer.
  6. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  7. Install the ignition lock cylinder. Refer to Ignition Switch Lock Cylinder Replacement .