GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 42640 Steering Column Lock Pin

Removal Procedure


    Object Number: 333146  Size: SH

    Caution: The front wheels of the vehicle must be maintained in the straight ahead position and the steering column must be in the LOCK position before disconnecting the steering column or intermediate shaft. Failure to follow these procedures will cause improper alignment of some components during installation and result in damage to the SIR coil assembly.

  1. Turn the steering wheel so that the front wheels are pointing straight ahead.
  2. Turn the ignition switch to the lock position and remove the key.
  3. Lock the steering column through the access hole in the lower steering column trim cover using J 42640 .

  4. Object Number: 687445  Size: SH
  5. Disconnect the upper intermediate shaft boot from the lower intermediate shaft boot to gain access to the upper intermediate shaft to lower intermediate pinch bolt.
  6. Remove the lower intermediate shaft to upper intermediate shaft pinch bolt.
  7. Disconnect the lower intermediate shaft from the upper intermediate shaft.
  8. Remove the steering column seal by rolling lip of seal from inside vehicle pushing it down the upper intermediate shaft.

Installation Procedure

  1. Install steering column seal by rolling seal lip to inside vehicle.

  2. Object Number: 687445  Size: SH
  3. Connect the lower intermediate shaft to the upper intermediate shaft.
  4. Perform the following procedure before installing the bolt.
  5. 3.1. Remove all traces of the original adhesive patch.
    3.2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
    3.3. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or LOCTITE™ 222.

    Caution: Refer to Fastener Caution in the Preface section.

  6. Install the lower intermediate shaft to the upper intermediate shaft pinch bolt and tighten to 50 N·m (37 lb ft).
  7. Note: The upper intermediate shaft boot must completely cover the white insert of the lower intermediate shaft boot to ensure proper sealing.

  8. Connect the upper intermediate shaft boot to the lower intermediate shaft boot.

  9. Object Number: 333146  Size: SH
  10. Unlock the steering column by removing J 42640 from the steering column lower trim cover access hole.