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

Tools Required 

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

1. Disable the inflatable restraint steering wheel module. Refer to DISABLING SYSTEM .
2. Remove the shift lever assembly. Refer to Shift Lever Replacement - On Vehicle .
3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .
4. 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) .
5. Remove the tilt spring assembly only. Refer to Tilt Spring - Disassemble - Off Vehicle .
6. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle .
7. 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 & Multifunction Switch Assembly & Screws (Column Shift Tilt)

   Courtesy of GENERAL MOTORS CORP.
   NOTE: Do not use excessive force when removing the automatic transmission shift lock control from the steering column. Using excessive force may cause damage to the automatic transmission shift lock control and/or the steering column.
8. Remove the automatic transmission shift lock control in the following way:
   1. 8.1. Put the shift lever clevis into the NEUTRAL position.
   2. 8.2. Use a small screwdriver to pry the automatic transmission shift lock control away from the steering column jacket assembly and the cable shift cam assembly.
      Fig 2: Automatic Transmission Shift Lock Control (Column Shift Tilt)

      Courtesy of GENERAL MOTORS CORP.
9. Remove the 3 flat head tapping screws from the linear shift assembly.

   Remove the linear shift assembly from the steering column support assembly.

   Fig 3: Linear Shift Assembly & Screws (Column Shift Tilt)

   Courtesy of GENERAL MOTORS CORP.
10. Remove the inner boot seal (4).
11. Remove the steering shaft seal (3) from the adapter and bearing assembly (1).
12. Remove the shaft seal retainer (2) from the adapter and bearing assembly (1).
13. Remove the adapter and bearing assembly (1) from the steering shaft assembly.
    Fig 4: Adapter/Bearing Assembly, Shaft Seal Retainer, Steering Shaft Seal & Inner Boot Seal (Column Shift Tilt)

    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 5: Steering Column Tilt Head Assembly, Pivot Pins & J 21854-01 (Column Shift Tilt)

    Courtesy of GENERAL MOTORS CORP.
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 jacket assembly (2).
18. Remove the tilt lever.
    Fig 6: Tilt Lever, Steering Column Tilt Head Assembly & Steering Column Jacket Assembly (Column Shift Tilt)

    Courtesy of GENERAL MOTORS CORP.
19. Remove the steering shaft assembly (2) from the steering column tilt head assembly (1).
    Fig 7: Steering Shaft Assembly & Steering Column Tilt Head Assembly (Column Shift Tilt)

    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.

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 8: Race/Upper Shaft Assembly & Lower Shaft Assembly (Column Shift Tilt)

    Courtesy of GENERAL MOTORS CORP.
22. Insert the race and upper shaft assembly (1) into J 41688  .
23. Insert J 41688  into a vise.
24. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere from the race and upper shaft assembly.
25. Remove the race and upper shaft assembly (1) from J 41688  .
26. Remove the shaft preload spring and the centering sphere from J 41688  .
27. If necessary, discard the old centering sphere and the old shaft preload spring.
    Fig 9: Race/Upper Shaft Assembly & J 41688 (Column Shift Tilt)

    Courtesy of GENERAL MOTORS CORP.
28. Remove the 4 TORX® head screws (2) from the steering column support assembly (1).
29. Discard the 4 TORX® head screws.
30. Remove the steering column support assembly (1) from the steering column jacket assembly.
    Fig 10: Steering Column Support Assembly & Screws (Column Shift Tilt)

    Courtesy of GENERAL MOTORS CORP.