GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.

  2. Object Number: 480250  Size: SH
  3. Remove the following from the floor:
  4. • The 4 screws (1,6,3,4)
    • The 2 plastic retaining clips (2,5) 
    • The console box

    Object Number: 487607  Size: SH
  5. Remove the following components from the steering column:
  6. 3.1. The screws
    3.2. The steering column upper cover
    3.3. The steering column lower cover
  7. Remove the bracket retaining screw (2) from the ignition switch.
  8. Remove the interlock cable (1) from the ignition switch.
  9. Remove the interlock cable nut.
  10. Remove the interlock cable at the manual selector.
  11. Remove the interlock cable (1) out from under the instrument panel.
  12. Remove the interlock cable from under the carpet.
  13. Remove the interlock cable from the interlock cable bracket at the manual selector.
  14. Inspect the interlock cable for fraying or kinks.
  15. Replace the cable as necessary.

Installation Procedure


    Object Number: 487607  Size: SH
  1. Route the interlock cable under the carpet to the manual selector and under the instrument panel to the ignition switch.
  2. Place the manual selector lever in the NEUTRAL position.
  3. Turn the ignition switch to ACC.
  4. Install the interlock cable end to the ignition switch (1).
  5. Secure the interlock cable end with the bracket retaining screw.
  6. Adjust and tighten the screw in order to get the correct tension.
  7. Install the steering column upper cover and the steering column lower cover to the steering column.
  8. Secure the covers to the steering column with the screws.
  9. Install the interlock cable end.
  10. 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.

    Important: After tightening the interlock cable nut, make sure that the ignition switch can be turned from ACC to LOCK and the key can be removed from the ignition with the manual selector lever shifted to the PARK position. Also verify that with the manual selector lever in any position other than PARK, the ignition switch CANNOT be turned from ACC to LOCK.

  11. Tighten the interlock cable nut.
  12. Tighten
    Tighten the nut to 13 N·m (115 lb ft).


    Object Number: 480250  Size: SH
  13. Install the console box to the floor.
  14. Secure the console box with 2 plastic retaining clips (2,5) and 4 screws (1,6,3,4).
  15. Enable the SIR. Refer to SIR Disabling and Enabling in SIR.