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

Tools Required: 

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

1. Remove the electronic lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle (Column Shift)  or Electronic Column Lock Module - Disassemble - Off Vehicle (Floor Shift)  .
2. Remove the tilt spring assembly only. Refer to Tilt Spring - Disassemble - Off Vehicle (Column Shift)  or Tilt Spring - Disassemble - Off Vehicle (Floor Shift)  .
3. Remove the 2 pan head tapping screws from the turn signal and multifunction switch assembly. Remove the turn signal and multifunction switch assembly.
   Fig 1: Turn Signal And Multifunction Switch Assembly

   Courtesy of GENERAL MOTORS CORP.
4. Remove the automatic transmission shift lock control.
5. Use a screwdriver to pry the automatic transmission shift lock control from the steering column jacket assembly.
   Fig 2: Automatic Transmission Shift Lock Control

   Courtesy of GENERAL MOTORS CORP.
6. Remove the 3 flat headed 6 lobed socket tapping screws from the linear shift assembly. Remove the linear shift assembly.
   Fig 3: Linear Shift Assembly

   Courtesy of GENERAL MOTORS CORP.
7. Remove the following items from the steering shaft assembly:
   1. 7.1. The steering shaft seal (6).
   2. 7.2. The sensor retainer (5).
   3. 7.3. The lower spring retainer (4).
   4. 7.4. Dispose of the lower spring retainer (4).
   5. 7.5. The lower bearing spring (3).
   6. 7.6. The lower bearing seat (2).
   7. 7.7. The adapter and bearing assembly (1).
   Fig 4: Steering Shaft Assembly Components
   Courtesy of GENERAL MOTORS CORP.
8. Remove the 2 pivot pins from the steering column support assembly with J 21854-01  .
   Fig 5: Pivot Pins To The Steering Column Support Assembly

   Courtesy of GENERAL MOTORS CORP.
9. Install the tilt knob and tilt the column to the upright position.
10. Remove the upper tilt head assembly with the steering shaft assembly.
    Fig 6: Upper Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
    NOTE: Mark the race and upper shaft assembly and the lower shaft assembly to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.
11. Remove the steering shaft assembly (2) from the steering column tilt head assembly (1).
    Fig 7: Removing The Steering Shaft Assembly From The Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
12. Tilt the race and upper shaft assembly 90 degrees to the lower shaft assembly and disengage. If necessary, remove and discard the old centering sphere and spring.
    Fig 8: Disengaging Lower Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
13. Insert the race and upper shaft assembly (1) into J 41688  .
14. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere.
15. Remove the shaft preload spring and the centering sphere from J 41688  .
16. If necessary, discard the old centering sphere and the old joint preload spring.
    Fig 9: Disengaging Centering Sphere

    Courtesy of GENERAL MOTORS CORP.
17. Remove the 4 TORX® head screws from the steering column support assembly (1).
18. Dispose of the 4 TORX® head screws (2).
19. Remove the steering column support assembly (1) from the steering column jacket assembly (3).
20. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle .
    Fig 10: Steering Column Support Assembly And Mounting Bolts

    Courtesy of GENERAL MOTORS CORP.