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

Tools Required 

• J 21854-01  Pivot Pin Remover
• J 41688  Centering Sphere Installer

1. Disable the inflatable restraint steering wheel module. Refer to DISABLING SYSTEM .
2. Remove the electronic column lock module. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle .
3. Remove the tilt spring only. Refer to Tilt Spring - Disassemble - Off Vehicle .
4. Remove the electric park lock. Refer to Electric Park Lock Module - Disassemble - Off Vehicle .
   Fig 1: Removing Turn Signal & Multifunction Switch Assembly

   Courtesy of GENERAL MOTORS CORP.
5. Remove the 2 pan head screws (1) from the turn signal and multifunction switch assembly (2).
6. Remove the turn signal and multifunction switch assembly (2).
7. Remove the steering shaft seal (1).
8. Remove the sensor retainer (2) from the adapter and bearing assembly.
   Fig 2: Removing Steering Shaft Seal & Sensor Retainer

   Courtesy of GENERAL MOTORS CORP.
9. Remove the lower spring retainer (1) from the steering shaft assembly.
10. Dispose of the lower spring retainer (1).
11. Remove the lower bearing spring (2) from the steering shaft assembly.
12. Remove the lower bearing seat (3) from the adapter and bearing assembly (4).
13. Remove the adapter and bearing assembly (4) from the steering shaft assembly.
    Fig 3: Removing Adapter & Bearing Assembly

    Courtesy of GENERAL MOTORS CORP.
14. Remove the 2 pivot pins (3) from the steering column tilt head assembly (1) by using J 21854-01  .
    Fig 4: Removing Pivot Pins From Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
15. Install the tilt knob into the steering column tilt head assembly.
16. Pull back on the tilt knob and at the same time pull the steering column tilt head assembly down and away from the steering column.
17. Remove the steering column tilt head assembly with the steering shaft assembly (1) from the steering column support assembly (2).
18. Remove the tilt knob.
    Fig 5: Removing Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
    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 steering shaft assembly (2) from the steering column tilt head assembly (1).
    Fig 6: Removing Steering Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
20. Tilt the race and upper shaft assembly (1) 90 degrees to the lower shaft assembly (2).
21. Disengage the race and upper shaft assembly (1) from the lower shaft assembly (2).
    Fig 7: Disengaging Race & Upper Shaft Assembly From Lower Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
22. Insert the race and upper shaft assembly (1) into J 41688  .
23. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere.
24. Remove the shaft preload spring from the centering sphere.
25. If necessary, discard the old centering sphere and the old joint preload spring.
    Fig 8: Inserting Race & Upper Shaft Assembly Into J 41688

    Courtesy of GENERAL MOTORS CORP.
26. Remove the 4 TORX ® head screws (2) from the steering column support assembly (1).
27. Dispose of the 4 TORX ® head screws.
28. Remove the steering column support assembly (1) from the steering column jacket assembly.
    Fig 9: Removing Steering Column Support Assembly

    Courtesy of GENERAL MOTORS CORP.