Steering Shaft, Lower Bearing, and Jacket Replacement (Telescoping)

Steering Shaft, Lower Bearing, and Jacket Replacement (Telescoping)

Tools Required

J 21854-01 Pivot Pin Remover


Removal Procedure

Caution: Refer to SIR Caution (SIR Caution) .
1. Disable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair) .
2. Remove the signal switch housing. Refer to Steering Column Tilt Head Housing Replacement (Telescoping) (Steering Column Tilt Head Housing Replacement (Telescoping))Steering Column Tilt Head Housing Replacement (Manual) (Steering Column Tilt Head Housing Replacement (Manual)) .
3. Remove the tilt spring only. Refer to Steering Column Tilt Spring Replacement (Telescoping) (Steering Column Tilt Spring Replacement (Telescoping))Steering Column Tilt Spring Replacement (Manual) (Steering Column Tilt Spring Replacement (Manual)) .
4. Remove the telescoping actuator assembly. Refer to Telescope Actuator Assembly Replacement (Telescope Actuator Assembly Replacement) .
5. Remove the telescoping motor assembly. Refer to Telescope Motor Assembly Replacement (Telescope Motor Assembly Replacement) .




6. Remove the steering shaft seal (5).
7. Remove the sensor retainer (4).
8. Remove the sensor assembly (3).
9. Remove the lower spring retainer (2).
10. Remove the adapter and bearing assembly (1).




11. Remove the jacket hole plug (1).




12. Remove the 2 pivot pins (1) from the steering column support assembly using J 21854-01 .




13. Disengage the steering column lock shoes from the dowel pins in the steering column tilt head housing assembly (1).
14. Remove the steering column tilt head housing assembly (1) with the steering shaft assembly from the jacket assembly.




15. Remove the steering shaft assembly (2) from the steering column tilt head housing assembly (1).





Important: Carefully mark the parts to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.


16. Mark the race and upper shaft assembly.
17. Mark the lower steering shaft assembly.
18. Tilt the race and upper shaft assembly 90 degrees to the lower steering shaft assembly to disengage.




19. Remove the 4 TORX(R) head screws (2).
20. Remove the steering column support assembly (1) from the jacket assembly.



Installation Procedure






Important: Replace the steering column support assembly if the steering column support assembly has been staked 3 times.


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

Notice: Refer to Fastener Notice (Fastener Notice) .

2. Install the 4 TORX(R) screws (2).

Tighten the screws to 18 N.m (13 lb ft).





3. Apply GM P/N 12345718 (Canadian P/N 10953516) to the exposed shaft engagement areas on the centering sphere.
4. Install the lower steering shaft assembly to the race and upper shaft assembly to engage.




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




6. Install the steering column tilt head housing assembly (1) and the steering shaft assembly to the jacket assembly.





Important: Replace the steering column support assembly if the steering column support assembly has been staked 3 times.


7. Install the 2 pivot pins (1) to the steering column support assembly.
8. Stake the pivot pins locations (1).




9. Install the adapter and bearing assembly (1) to the steering shaft assembly.
10. Install the lower spring retainer (2) to the adapter and bearing assembly (1).

Important: Rotate the steering shaft assembly to the 12 o'clock position.


11. Install the sensor assembly (3) onto the steering shaft assembly.
Install the sensor retainer (4) and seal (5) onto the steering shaft assembly.




12. Install the steering shaft seal (1).
Caution: Refer to SIR Inflator Module Coil Caution .
13. Install the telescope actuator assembly. Refer to Telescope Actuator Assembly Replacement (Telescope Actuator Assembly Replacement) .
14. Install the telescope motor assembly. Refer to Telescope Motor Assembly Replacement (Telescope Motor Assembly Replacement) .
15. Install the tilt spring only. Refer to Steering Column Tilt Spring Replacement (Telescoping) (Steering Column Tilt Spring Replacement (Telescoping))Steering Column Tilt Spring Replacement (Manual) (Steering Column Tilt Spring Replacement (Manual)) .
16. Install the signal switch housing. Refer to Steering Column Tilt Head Housing Replacement (Telescoping) (Steering Column Tilt Head Housing Replacement (Telescoping))Steering Column Tilt Head Housing Replacement (Manual) (Steering Column Tilt Head Housing Replacement (Manual)) .
17. Enable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair) .