GM Service Manual Online
For 1990-2009 cars only

Steering Wheel Theft Deterrent Lock Replacement Telescoping

Tools Required

J 42640 Steering Column Lock Pin

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 323835  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Important: If the steering column connectors are disconnected with the ignition in the ON position, the BCM will enter a fail enable mode and prevent steering column lock operation. The PCM will also inhibit vehicle motion by disabling fuel. To clear the BCM fail enable mode, disconnect the BCM fuse #25 for 15 seconds.

  3. Remove the upper and lower steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  4. Remove the wire harness straps (2) from the tilt head assembly (1) and the column.
  5. Install J 42640 to the steering column.
  6. Remove the tilt head assembly. Refer to Steering Column Tilt Head Housing Replacement .
  7. Remove the steering wheel theft deterrent.

Installation Procedure


    Object Number: 323839  Size: SH
  1. Install the steering wheel theft deterrent.
  2. Route the wire harness assembly along the steering column jacket assembly.

  3. Object Number: 323836  Size: SH
  4. Install the wire harness assembly (1) into the wire harness strap (2).
  5. Install the tilt head assembly. Refer to Steering Column Tilt Head Housing Replacement .
  6. Remove J 42640 from the steering column.
  7. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  8. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR

Steering Wheel Theft Deterrent Lock Replacement Manual

Tools Required

J 42640 Steering Column Lock Pin

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 323835  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR
  2. Important: If the steering column connectors are disconnected with the ignition in the ON position, the BCM will enter a fail enable mode and prevent steering column lock operation. The PCM will also inhibit vehicle motion by disabling fuel. To clear the BCM fail enable mode, disconnect the BCM fuse #25 for 15 seconds.

  3. Remove the trim covers from the upper and lower steering column. Refer to Steering Column Trim Covers Replacement .
  4. Remove the wire harness straps (2) from the steering column tilt head assembly (1) and the column.
  5. Install J 42640 to the steering column.
  6. Remove the steering column tilt head assembly. Refer to Steering Column Tilt Head Housing Replacement .
  7. Remove the steering wheel theft deterrent lock.

Installation Procedure


    Object Number: 323839  Size: SH
  1. Install the steering wheel theft deterrent lock.
  2. Route the wire harness assembly along the steering column jacket assembly.
  3. Remove J 42640 from the steering column.

  4. Object Number: 323836  Size: SH
  5. Install the wire harness assembly (1) into the wire harness strap (2).

  6. Object Number: 323835  Size: SH
  7. Install new wire harness straps (2) to the steering column assembly (1) and the column.
  8. Install the steering column tilt head assembly. Refer to Steering Column Tilt Head Housing Replacement .
  9. Install the trim covers to the upper and lower steering column. Refer to Steering Column Trim Covers Replacement .
  10. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.