GM Service Manual Online
For 1990-2009 cars only

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

Tools Required

    • J 41688 Centering Sphere Installer
    • J 21854-01 Pivot Pin Remover
  1. Remove the lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle .
  2. Remove the tilt spring assembly. Refer to Tilt Spring - Disassemble - Off Vehicle .
  3. Remove the turn signal and multifunction switch. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .

  4. Object Number: 324919  Size: SH
  5. Remove the automatic transmission shift lock control.
  6. Use a screwdriver to pry the automatic transmission shift lock control from the steering column jacket assembly.

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


    Object Number: 357437  Size: SH
  10. Remove the steering wheel speed sensor assembly (3).
  11. Remove the adapter and bearing assembly (2) from the steering column jacket assembly (1).

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

  14. Object Number: 306309  Size: SH
  15. Using the tilt lever remove the tilt head assembly (1) from the steering column jacket (2) with the lower steering shaft (3) still attached.

  16. Object Number: 306316  Size: SH
  17. Remove the tilt head assembly (1) from the steering shaft assembly (2).

  18. 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.

  19. Remove the race and upper shaft assembly (1) from the lower steering shaft (2).

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

  27. Object Number: 306322  Size: SH
  28. Remove the 4 TORX® screws (2) from the steering column support assembly (1).

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

Tools Required

    • J 41688 Centering Sphere Installer
    • J 21854-01 Pivot Pin Remover
  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. Remove the turn signal and multifunction switch only. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .

  4. Object Number: 357437  Size: SH
  5. Remove the steering wheel speed sensor assembly (3).
  6. Remove the adapter and bearing assembly (2) from the steering column jacket assembly (1).

  7. Object Number: 306307  Size: SH
  8. Remove 2 pivot pins (3) from the steering column support assembly (1) using J 21854-01 .

  9. Object Number: 306309  Size: SH
  10. Remove the tilt head assembly (1) from the steering column jacket assembly (2) with the steering shaft assembly (3) still attached.

  11. Object Number: 306316  Size: SH
  12. Remove the tilt head assembly (1) from the steering shaft assembly (2).

  13. 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.

  14. Remove the race and upper shaft assembly (1) from the lower steering shaft (2).

  15. Object Number: 299885  Size: SH
  16. Insert the race and upper shaft assembly (1) into J 41688 .
  17. Insert J 41688 into a vise.
  18. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere from the race and upper shaft assembly.
  19. Remove the race and upper shaft assembly (1) from J 41688 .
  20. Remove the shaft preload spring and the centering sphere fromJ 41688 .
  21. If necessary, discard the old centering sphere and the old shaft preload spring.

  22. Object Number: 306322  Size: SH
  23. Remove the 4 TORX® screws (2) from the steering column support assembly (1).