GM Service Manual Online
For 1990-2009 cars only

Steering Shaft, Lower Bearing, and Jacket - Disassemble - Off Vehicle Column Shift

Disassembly Procedure

Tools Required

    • J 21854-01 Pivot Pin Remover
    • J 41688 Centering Sphere Installer Tool
  1. Remove the lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle .
  2. Remove the tilt spring assembly only. Refer to Tilt Spring - Disassemble - Off Vehicle .
  3. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle .

  4. Object Number: 324887  Size: SH
  5. Remove the 2 pan head tapping screws from the turn signal and multifunction switch assembly.
  6. Remove the turn signal and multifunction switch assembly.


    Object Number: 324906  Size: SH
  7. Remove the electrical BTSI actuator in the following way:
  8. 5.1. Put the shift lever clevis into the neutral position.
    5.2. Use a small screwdriver to pry the electrical BTSI actuator away from the steering column jacket assembly and the cable shift cam assembly.

    Object Number: 324921  Size: SH
  9. Remove the 3 flat head tapping screws from the linear shift assembly.
  10. Remove the linear shift assembly from the steering column support assembly.


    Object Number: 389642  Size: SH
  11. Remove the inner boot seal (4).
  12. Remove the steering shaft seal (3) from the adapter and bearing assembly (1).
  13. Remove the shaft seal retainer (2) from the adapter and bearing assembly (1).
  14. Remove the adapter and bearing assembly (1) from the steering shaft assembly.

  15. Object Number: 306307  Size: SH
  16. Remove the 2 pivot pins (3) from the steering column tilt head assembly (1) by using J 21854-01 .

  17. Object Number: 322998  Size: SH
  18. Install the tilt lever into the steering column tilt head assembly (1).
  19. Pull back on the tilt lever and at the same time pull the steering column tilt head assembly (1) down and away from the steering column.
  20. Remove the steering column tilt head assembly (1) with the steering shaft assembly from the steering column jacket assembly (2).
  21. Remove the tilt lever.

  22. Object Number: 306316  Size: SH
  23. Remove the steering shaft assembly (2) from the steering column tilt head assembly (1).

  24. Object Number: 306318  Size: SH

    Important: Mark the race and upper shaft assembly and the lower shaft assembly before disassembly. Failure to assemble the race and upper shaft assembly and the lower shaft assembly correctly will cause the steering wheel to be turned 180 degrees.

  25. Tilt the race and upper shaft assembly (1) 90 degrees to the lower shaft assembly (2).
  26. Disengage the race and upper shaft assembly (1) from the lower shaft assembly (2).

  27. Object Number: 299885  Size: SH
  28. Insert the race and upper shaft assembly (1) into J 41688 .
  29. Insert J 41688 into a vise.
  30. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere from the race and upper shaft assembly.
  31. Remove the race and upper shaft assembly (1) from J 41688 .
  32. Remove the shaft preload spring and the centering sphere fromJ 41688 .
  33. If necessary, discard the old centering sphere and the old shaft preload spring.

  34. Object Number: 306322  Size: SH
  35. Remove the 4 TORX® head screws (2) from the steering column support assembly (1).
  36. Discard the 4 TORX® head screws.
  37. Remove the steering column support assembly (1) from the steering column jacket assembly.

Steering Shaft, Lower Bearing, and Jacket - Disassemble - Off Vehicle Floor Shift

Disassembly Procedure

Tools Required

    • J 21854-01 Pivot Pin Remover
    • J 41688 Centering Sphere Installer
  1. Remove the lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle .
  2. Remove the tilt spring only. Refer to Tilt Spring - Disassemble - Off Vehicle .
  3. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle .

  4. Object Number: 322982  Size: SH
  5. Remove the 2 pan head tapping screws (1) from the turn signal and multifunction switch assembly (2).
  6. Remove the turn signal and multifunction switch assembly (2).

  7. Object Number: 389642  Size: SH
  8. Remove the inner boot seal (4).
  9. Remove the steering shaft seal (3) from the adapter and bearing assembly (1).
  10. Remove the shaft seal retainer (2) from the adapter and bearing assembly (1).
  11. Remove the adapter and bearing assembly (1) from the steering shaft assembly.

  12. Object Number: 306307  Size: SH
  13. Remove the 2 pivot pins (3) from the steering column tilt head assembly (1) by using J 21854-01 .

  14. Object Number: 322998  Size: SH
  15. Install the tilt lever into the steering column tilt head assembly (1).
  16. Pull back on the tilt lever and at the same time pull the steering column tilt head assembly (1) down and away from the steering column.
  17. Remove the steering column tilt head assembly (1) with the steering shaft assembly from the steering column support assembly (2).
  18. Remove the tilt lever.

  19. Object Number: 306316  Size: SH
  20. Remove the steering shaft assembly (2) from the steering column tilt head assembly (1).

  21. Object Number: 306318  Size: SH

    Important: Mark the race and upper shaft assembly and the lower shaft assembly before disassembly. Failure to assemble the race and upper shaft assembly and the lower shaft assembly correctly will cause the steering wheel to be turned 180 degrees.

  22. Tilt the race and upper shaft assembly (1) 90 degrees to the lower shaft assembly (2).
  23. Disengage the race and upper shaft assembly (1) from the lower shaft assembly (2).

  24. Object Number: 299885  Size: SH
  25. Insert the race and upper shaft assembly (1) into J 41688 .
  26. Insert J 41688 into a vise.
  27. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere from the race and upper shaft assembly.
  28. Remove the race and upper shaft assembly from J 41688 .
  29. Remove the shaft preload spring and the centering sphere fromJ 41688 .
  30. If necessary, discard the old centering sphere and the old shaft preload spring.

  31. Object Number: 306322  Size: SH
  32. Remove the 4 TORX® head screws (2) from the steering column support assembly (1).
  33. Discard the 4 TORX® head screws.
  34. Remove the steering column support assembly (1) from the steering column jacket assembly.