GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 664260  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the turn signal cancel cam and upper bearing. Refer to Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement .
  3. Remove the ignition switch assembly. Refer to Ignition and Start Switch Replacement .
  4. Remove 3 pan head tapping screws (2) from the ignition lock cylinder case assembly (1).
  5. Remove the ignition lock cylinder case from the steering column.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 664260  Size: SH
  1. Align the ignition lock cylinder case assembly (1) with the steering column tilt head assembly.
  2. Secure the ignition lock cylinder case assembly (1) to the steering column using 3 pan head tapping screws (2).
  3. Tighten
    Tighten the screws to 7 N·m (62 lb in).

  4. Install the ignition switch assembly. Refer to Ignition and Start Switch Replacement .
  5. Install the turn signal cancel cam and upper bearing. Refer to Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement .
  6. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.