Steering Shaft, Lower Bearing, and Jacket - Disassemble - Off Vehicle (Floor 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 only. Refer to Tilt Spring - Disassemble - Off Vehicle (Column Shift)  or Tilt Spring - Disassemble - Off Vehicle (Floor Shift)  .
3. Remove the 2 pan head screws (1) from the turn signal and multifunction switch assembly (2).
4. Remove the turn signal and multifunction switch assembly (2).
   Fig 1: Pan Head Screws To The Turn Signal And Multifunction Switch Assembly

   Courtesy of GENERAL MOTORS CORP.
5. Remove the steering shaft seal (1).
6. Remove the sensor retainer (2) from the adapter and bearing assembly.
   Fig 2: Steering Shaft Seal And Sensor Retainer

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

   Courtesy of GENERAL MOTORS CORP.
9. Install the tilt knob into the steering column tilt head assembly.
10. 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.
11. Remove the steering column tilt head assembly (1) with the steering shaft assembly from the steering column support assembly (2).
12. Remove the tilt knob.
    Fig 5: Steering Column Tilt Head Assembly And The Steering Column Support Assembly

    Courtesy of GENERAL MOTORS CORP.
13. Remove the steering shaft assembly (2) from the steering column tilt head assembly (1).
    Fig 6: Steering Shaft Assembly And The Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
    NOTE: 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. Tilt the race and upper shaft assembly (1) 90 degrees to the lower shaft assembly (2).
15. Disengage the race and upper shaft assembly (1) from the lower shaft assembly (2).
    Fig 7: Upper Shaft And Lower Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
16. Insert the race and upper shaft assembly (1) into J 41688  .
17. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere.
18. Remove the shaft preload spring from the centering sphere.
19. If necessary, discard the old centering sphere and the old joint preload spring.
    Fig 8: Upper Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
20. Remove the 4 TORX® head screws (2) from the steering column support assembly (1).
21. Dispose of the 4 TORX® head screws.
22. Remove the steering column support assembly (1) from the steering column jacket assembly.

Fig 9: Steering Column Support Assembly And Mounting Screws

Courtesy of GENERAL MOTORS CORP.