Steering Shaft, Lower Bearing, and Jacket Replacement Tilt Column

Tools Required

Caution: Refer to SIR Caution in the Preface section.




1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
2. Remove the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement .
3. Remove the tilt spring assembly only. Refer to Steering Column Tilt Spring Replacement .
4. Remove the 2 pan head tapping screws from the turn signal and multifunction switch assembly.

Remove the turn signal and multifunction switch assembly from the steering column tilt head assembly.




5. If you are working on a column shift, remove the 3 flat head 6-lobed socket tapping screws from the linear shift assembly.

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




6. Remove the foam insulator (1) from the lower end of the steering shaft assembly.



7. Remove the adapter and bearing assembly (1).



8. Remove the 2 pivot pins from the steering column support assembly with J 21854-01 .



9. Install the tilt lever. Tilt the column to the upright position.
10. Remove the upper tilt head assembly with the steering shaft assembly from the steering column support assembly.



11. Remove the steering shaft assembly (1) from the upper tilt head assembly.

Important: Mark the race and upper shaft assembly and the lower steering shaft assembly to ensure proper reassembly. Failure to reassemble properly will cause the steering wheel to be turned 180 degrees.

12. Mark the race and upper shaft assembly and the lower steering shaft assembly.
13. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection .



14. Tilt the race and upper shaft assembly 90 degrees to the lower shaft assembly. Disengage the race and upper shaft assembly from the lower shaft assembly.



15. If necessary, remove the centering sphere and joint preload spring using the following procedure:

14.1.

Insert the race and upper shaft assembly (1) into J 41688 .

14.2.

Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere.

14.3.

Remove the shaft preload spring and the centering sphere from J 41688 .

14.4.

If necessary, discard the centering sphere and the joint preload spring.




16. Remove the 4 TORX® head screws (2) from the steering column support assembly (1).
17. Discard the 4 TORX® head screws (2).
18. Remove the steering column support assembly (1) from the steering column jacket assembly (3).

Important: After you have staked the steering column support assembly and the pivot pins 3 times, replace the steering column support assembly and the pivot pins.

1. Install the steering column support assembly (1) onto the steering column jacket assembly (3).

Notice: Refer to Fastener Notice in the Preface section.

2. Install the 4 new TORX® head screws (2) into the steering column support assembly (1).

Tighten
Tighten the screws to 17 N·m (13 lb ft).




3. Lubricate the centering sphere (1) with GM P/N 12345718 (Canadian P/N 10953516).
4. Install the centering sphere (1) and the joint preload spring (2) into J 41688 .



5. Compress the centering sphere and the joint preload spring.
6. Rotate the driver 90 degrees in the clockwise direction until the arms lock in place.



7. Install the race and upper shaft assembly (1) into J 41688 .
8. Rotate the race and upper shaft assembly 90 degrees.



9. Remove the race and upper shaft assembly with J 41688 .
10. Rotate the race and upper shaft assembly 90 degrees from J 41688 .
11. Remove J 41688 with the race and upper shaft assembly.



12. Apply GM P/N 12345718 (Canadian P/N 10953516) to the race and upper shaft assembly.
13. Install the lower shaft assembly onto the race and upper shaft assembly using the alignment marks from the disassemble procedure.



14. Install the steering shaft assembly (2) into the steering column tilt head assembly (1).




Important: When you have staked the steering column support assembly and the pivot pins 3 times, replace the steering column support assembly and the pivot pins.

15. Install the steering column tilt head assembly (1) into the steering column jacket assembly (4).
16. Install the 2 pivot pins (3) into the steering column tilt head assembly.
17. Stake the pivot pin locations (2) in 3 places.



18. Install the adapter and bearing assembly (1) onto the lower end of the steering shaft assembly.



19. Install the foam insulator (1).



20. If you are working on a column shift, install the linear shift assembly onto the steering column jacket assembly.

Important: The linear shift assembly must be out of the PARK position in order to install the lower socket tapping screw.

21. Install the 3 flat head 6-lobed socket tapping screws

Tighten
Tighten the tapping screws to 10 N·m (89 lb in).





Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

Important: The electrical contact on the turn signal and multifunction switch assembly must rest on the turn signal cancel cam assembly.

22. Install the turn signal and multifunction switch assembly onto the steering column tilt head assembly.
23. Screw the 2 pan head tapping screws into the turn signal and multifunction switch assembly.

Tighten
Tighten the screws to 10 N·m (89 lb in).

24. Install the tilt spring assembly only. Refer to Steering Column Tilt Spring Replacement .
25. Install the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement .
26. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.

Steering Shaft, Lower Bearing, and Jacket Replacement Standard Column

Caution: Refer to SIR Caution in the Preface section.




1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
2. Remove the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement .
3. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection .
4. Remove the 2 pan head tapping screws from the turn signal and multifunction switch assembly.

Remove the turn signal and multifunction switch assembly from the steering column housing assembly.




5. If you are working on a column shift, remove the 3 flat head 6-lobed socket tapping screws from the linear shift assembly.

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




6. Remove the foam insulator (1) from the lower end of the steering shaft assembly.



7. Remove the adapter and bearing assembly (1).



8. Remove the steering shaft assembly (1) from the steering column support assembly (2) and the steering column jacket assembly (3).



9. Remove the 4 TORX® head screws (1) from the steering column support assembly (2).
10. Discard the 4 TORX® head screws (1).
11. Remove the steering column support assembly (2) from the steering column jacket assembly (3).

1. Attach the steering column support assembly (2) to the steering column jacket assembly (3).

Notice: Refer to Fastener Notice in the Preface section.

2. Install the new 4 TORX® head screws (1) into the steering column support assembly (2).

Tighten
Tighten the screws to 17 N·m (13 lb ft).




3. Install the steering shaft assembly (1) into the steering column support assembly (2) and the steering column jacket assembly (3).



4. Install the adapter and bearing assembly (1) to the steering shaft assembly.



5. Install the foam insulator (1) to the steering shaft assembly.



6. If you are working on a column shift, install the linear shift assembly onto the steering column jacket assembly.

Important: The linear shift assembly must be out of the PARK position in order to install the lower socket tapping screw.

7. Install the 3 flat head 6-lobed socket tapping screws.

Tighten
Tighten the screws to 10 N·m (89 lb in).





Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

Important: The electrical contact on the turn signal and multifunction switch assembly must rest on the turn signal cancel cam assembly.

8. Install the turn signal and multifunction switch assembly onto the steering column tilt head assembly.
9. Screw the 2 pan head tapping screws into the turn signal and multifunction switch assembly.

Tighten
Tighten the screws to 7 N·m (62 lb in).

10. Install the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement .
11. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.