GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 42640 Steering Column Lock Pin

Removal Procedure


    Object Number: 70106  Size: SH
  1. Turn the steering wheel far enough to the left to gain access to the upper coupling bolt.
  2. Remove the upper coupling bolt.
  3. Caution: The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the SIR coil assembly to become uncentered, which may cause damage to the coil assembly.


    Object Number: 333146  Size: SH
  4. Insert J 42640 into the steering column access hole in order to lock the steering column. This will maintain the correct orientation.

  5. Object Number: 70108  Size: SH
  6. Remove the lower coupling shield.
  7. Remove the lower coupling retaining bolt.
  8. Install J 42640 to the steering column.
  9. Remove the lower coupling from the steering gear.
  10. Slide the upper coupling from the steering column shaft.
  11. Remove the intermediate shaft from the vehicle.

Installation Procedure


    Object Number: 70108  Size: SH
  1. Place the intermediate shaft into vehicle.
  2. Slide the upper coupling into the steering column shaft.
  3. Connect the lower coupling onto the steering gear.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the lower coupling retaining bolt into the lower coupling.
  6. Tighten
    Tighten the lower coupling retaining bolt to 27 N·m (20 lb ft).

  7. Remove J 42640 from the steering column.

  8. Object Number: 70106  Size: SH
  9. Unlock the steering column.
  10. Turn the steering wheel far enough to the left to gain access to the upper coupling bolt hole.
  11. Install the upper coupling bolt into the upper coupling.
  12. Tighten
    Tighten the upper coupling bolt to 48 N·m (35 lb ft).

  13. Turn the steering wheel back to the right until the wheels are in a straight ahead position, then lock the steering column.
  14. Install the lower steering coupling shield.
  15. Tighten
    Tighten the lower steering coupling shield screw to 3.5 N·m (31 lb in).