Steering Shaft, Lower Bearing, and Jacket - Assemble - Off Vehicle (Floor Shift)

Tools Required: 

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

1. Attach the steering column support assembly (1) to the steering column jacket assembly with the 4 TORX® head screws (2).

   Tighten: 

   Tighten the 4 TORX® head screws to 17 N.m (13 lb ft) 

   Fig 1: Steering Column Support Assembly To The Steering Column Jacket Assembly

   Courtesy of GENERAL MOTORS CORP.
2. Grease the centering sphere (1) with lithium grease.
3. Install the centering sphere (1) and the joint preload spring (2) by using J 41688  .
4. Place the base of J 41688  in a vise.
5. Place the bottom half of the new centering sphere (1), the new joint preload spring (2), the top half of the new centering sphere (1), into J 41688  .
   Fig 2: Install The Centering Sphere And The Joint Preload Spring

   Courtesy of GENERAL MOTORS CORP.
6. Compress the centering sphere and the joint preload spring.
7. Rotate the driver 90 degrees in the clockwise direction until the arms lock in place.
   Fig 3: Compress The Centering Sphere And The Joint Preload Spring

   Courtesy of GENERAL MOTORS CORP.
8. Attach the race and upper shaft assembly (1) to the centering sphere.
9. Rotate the race and upper shaft assembly (1) downward 90 degrees until the centering sphere is locked in place.
   Fig 4: Upper Shaft Assembly

   Courtesy of GENERAL MOTORS CORP.
10. Remove the race and upper shaft assembly and J 41688  from the vise.
11. Disassemble J 41688  by separating the base.
12. Remove the race and upper shaft assembly, which is now attached to the centering sphere, from J 41688  .
    Fig 5: Upper Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
13. Apply lithium grease to the centering sphere.
14. Align the lower steering shaft assembly to the race and upper shaft assembly by using the marks from the disassembly procedure.
15. Tilt the lower steering shaft assembly at 90 degrees to the race and upper shaft assembly.
16. Install the lower steering shaft assembly onto the race and upper shaft assembly.
    Fig 6: Installing The Lower Steering Shaft Assembly Onto The Race And Upper Shaft Assembly

    Courtesy of GENERAL MOTORS CORP.
17. Install the steering shaft assembly (2) into the steering column tilt head assembly (1).
    Fig 7: Installing The Steering Shaft Assembly Into The Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
18. Install the steering shaft assembly with the steering column tilt head assembly (1) into the steering column support assembly.
19. Move the tilt knob and push the steering column tilt head assembly up towards the steering column in order to lock the steering wheel lock shoes in place.
    Fig 8: Install The Steering Shaft Assembly With The Steering Column Tilt Head Assembly

    Courtesy of GENERAL MOTORS CORP.
    NOTE: Replace the steering column support assembly and the pivot pins if they have been staked 3 times.
20. Stake the steering column support assembly in 3 locations.
21. Install the 2 pivot pins (1) into the steering column tilt head assembly.
    1. 21.1. Lubricate the pivot pins (1) with lithium grease.
    2. 21.2. Firmly seat each pivot pin (1) into the steering column tilt head assembly.
    Fig 9: Pivot Pins To The Steering Column Tilt Head Assembly
    Courtesy of GENERAL MOTORS CORP.
22. Install the adapter and bearing assembly (4) onto the steering column jacket assembly.
    1. 22.1. Align the tab on the adapter and bearing assembly (4) with the slot in the steering column jacket assembly.
    2. 22.2. Push the adapter and bearing assembly (4) onto the steering shaft assembly until the tab snaps into the slot.
23. Install the lower bearing seat (3) onto the adapter and bearing assembly (4). The lower bearing seat must contact the adapter and bearing assembly (4).
24. Install the lower bearing spring (2) onto the steering shaft assembly.
25. Install the lower spring retainer (1) onto the steering shaft assembly.
    Fig 10: Lower Bearing Spring Assembly

    Courtesy of GENERAL MOTORS CORP.
    NOTE: Align the block tooth on the steering shaft assembly to the 12 o'clock position.
26. Install the sensor retainer (2) onto the adapter and bearing assembly using the following steps:
    1. 26.1. Align the slots of the sensor retainer (2) to the ribs of the adapter and bearing assembly.
    2. 26.2. Push the sensor retainer (2) onto the steering shaft assembly so that the sensor retainer (2) contacts the adapter and bearing assembly.
27. Install the steering shaft seal (1) onto the steering shaft assembly.
    Fig 11: Sensor Retainer And Steering Shaft Seal

    Courtesy of GENERAL MOTORS CORP.
    NOTE: The electrical contact from the turn signal and multifunction switch assembly must rest on the turn signal cancel cam assembly.
28. Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly.
29. Screw the 2 pan head tapping screws (1) into the turn signal and multifunction switch assembly (2).

    Tighten: 

    Tighten the 2 pan head tapping screws to 7 N.m (62 lb in) 

    Fig 12: Turn Signal And Multifunction Switch Assembly

    Courtesy of GENERAL MOTORS CORP.
30. Install the tilt spring only. Refer to Tilt Spring - Assemble - Off Vehicle (Column Shift)  or Tilt Spring - Assemble - Off Vehicle (Floor Shift)  .
31. Install the electronic lock module assembly. Refer to Electronic Column Lock Module - Assemble - Off Vehicle (Column Shift)  or Electronic Column Lock Module - Assemble - Off Vehicle (Floor Shift)  .