Steering Shaft, Lower Bearing & Jacket

Steering Shaft, Lower Bearing, and Jacket Replacement (Column Shift)

Tools Required
^ J21854-01 Pivot Pin Remover
^ J41688 Centering Sphere Installer Tool

Removal Procedure
1. Remove the ignition lock cylinder case.
2. Remove the tilt spring assembly only.





3. Remove the 2 pan head tapping screws from the turn signal and multifunction switch assembly.
Remove the turn signal and multifunction switch assembly.





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.





6. Remove the 3 flat head 6 lobed socket tapping screws from the linear shift assembly.
Remove the linear shift assembly.
7. Remove the following items from the steering shaft assembly:





7.1. The steering shaft seal (6).
7.2. The sensor retainer (5).
7.3. The lower spring retainer (4).
7.4. Dispose of the lower spring retainer (4).
7.5. The lower bearing spring (3).
7.6. The lower bearing seat (2).
7.7. The adapter and bearing assembly (1).





8. Remove the 2 pivot pins from the steering column support assembly with J21854-01.





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.

Important: 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).





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.





13. Insert the race and upper shaft assembly (1) into J41688.
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 J41688.
16. If necessary, discard the old centering sphere and the old joint preload spring.





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.

Installation Procedure

Important: Once the steering column support assembly and the pivot pins have been staked more than 3 times, they must be replaced.





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

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the 4 new TORX head screws (2).
Tighten the 4 TORX head screws to 17 Nm (13 ft. lbs.).
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 J41688.





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





6. Install the race and upper shaft assembly (1) into J41688.
7. Rotate the race and upper shaft assembly (1) 90 degrees.





8. Remove the race and upper shaft assembly with J41688.
9. Rotate the race and upper shaft assembly 90 degrees from J41688 and remove with the race and upper shaft assembly.





10. Lubricate the centering sphere with GM P/N 12345718 (Canadian P/N 10953516).





11. Install the lower shaft assembly to the race and upper shaft assembly.
12. Install the steering shaft assembly (2) into the steering column tilt head assembly (1).





13. Install the steering column tilt head assembly (1) to the steering column jacket assembly (4).
14. Install the 2 pivot pins (3).
15. Stake the pivot pins location (2).
16. Install the following components onto the steering shaft assembly:





16.1. adapter and bearing assembly (1)
16.2. Lower bearing seat (2)
16.3. Lower bearing spring (3)
16.4. Lower spring retainer (4)
16.5. sensor retainer (5)
16.6. steering shaft seal (6)





17. Install the linear shift assembly.
18. Install the 3 flat head 6 lobed socket tapping screws
The linear shift assembly must be out of the PARK position to install the lower socket tapping screw.
Tighten the 3 flat head 6 lobed socket tapping screws to 10 Nm (89 inch lbs.).





19. Install the automatic transmission shift lock control.
20. Install the gear shift lever and put the column in the NEUTRAL position.
21. Adjust the automatic transmission shift lock control using the following steps:





21.1. Pull the tab (1) out on the block side (2) of the automatic transmission shift lock control.
21.2. Press on the adjuster block (2) to compress the internal adjuster spring to disengage the adjuster teeth. Slide the adjuster block (2) as far away from the solenoid as possible.
21.3. Lock in place by pushing the tab (1) back in.
22. Inspect the automatic transmission shift lock control using the following steps:
22.1. The automatic transmission shift lock control must lock the shift lever clevis when it is put into the PARK position.
22.2. When the column is installed in the vehicle you will not be able to shift the gear shift lever out of the PARK position without pressing on the brake pedal. The solenoid will be energized.
22.3. Readjust if needed.

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





23. Install the turn signal and multifunction switch assembly.
24. Install the 2 pan head tapping screws.
Tighten the 2 pan head tapping screws to 10 Nm (89 inch lbs.).
25. Install the tilt spring assembly only.
26. Install the ignition lock cylinder case.