GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Steering 🢒 Steering Wheel and Column 🢒 Steering Shaft Replacement

Steering Shaft Replacement Power Tilt\\ Telescope, Column Shift

Tools Required

J 21854-01 Pivot Pin Remover

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 588841 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel from the steering column. Refer to Steering Wheel Replacement .
  3. Remove the steering column from the vehicle. Refer to Steering Column Replacement .
  4. Remove the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  5. Remove the linear shift assembly, shift lever and the A/T shift lock control only. Refer to Linear Shift Assembly Replacement .
  6. Remove the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  7. Remove the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  8. Remove the telescope drive motor assembly and cable only. Refer to Telescope Actuator Assembly Replacement .
  9. Remove the tilt drive motor assembly and cable only. Refer to Tilt Motor Replacement .
  10. Remove 1 TORX® head screw from the tilt and telescope module.
  11. Slide the control module out from the steering column.

    12. Object Number: 420221 Size: SH
  12. Remove the following components:
    13. 12.1. The boot seal (5)
    12.2. The steering shaft seal (4)
    12.3. The sensor retainer (3)
    12.4. The sensor locator (2)
  13. Remove the steering wheel position sensor (1). Refer to Steering Wheel Position Sensor Centering .

    14. Object Number: 588846 Size: SH
  14. Remove 1 TORX® head screw from the bottom of the gearshift and tilt motor bracket.
  15. Remove the bracket.

    16. Object Number: 588849 Size: SH
  16. Gently pry the lower shield assembly off of the steering column.

    17. Object Number: 420219 Size: SH
  17. Remove 2 pivot pins (1) from the steering column support assembly using J 21854-01 .

    18. Object Number: 588876 Size: SH
  18. Unscrew the lead screw.

    19. Object Number: 589412 Size: SH
  19. Remove the tilt head assembly (1) from the steering column support assembly (2) with the steering shaft (3) still attached.

    20. Object Number: 589411 Size: SH
  20. Remove the tilt head assembly (1) from the steering shaft assembly (2).

    21. Object Number: 1562300 Size: SH
  21. Remove the bearing assembly from the tilt head assembly.

    22. Object Number: 306318 Size: SH

    Important: Mark the race and upper shaft (1) and the lower steering shaft (2) to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  22. Tilt the upper shaft assembly 90 degrees to the steering shaft assembly and disengage.

    23. Object Number: 589407 Size: SH
  23. Remove 2 TORX® screws from the dampener.

    24. Object Number: 588877 Size: SH
  24. Remove and discard 4 support screws from the steering column support.
  25. Remove the steering column support.
  26. Inspect the steering column for accident damage.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 588877 Size: SH
  1. Install the steering column support and secure using 4 support screws.

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


    Object Number: 589407 Size: SH
  2. Install 2 TORX® screws into the dampener.

    3. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).


    Object Number: 299888 Size: SH

    Important: Use the alignment marks from the disassemble procedure. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  3. Apply GM P/N 12345718 (Canadian P/N 10953516) to the race and upper shaft assembly.
  4. Align the marks on the race and upper shaft assembly with the lower shaft assembly.
  5. Install the lower shaft assembly to the race and upper shaft assembly.

    6. Object Number: 1562300 Size: SH
  6. Install the bearing assembly into the tilt head assembly.

    7. Object Number: 589411 Size: SH
  7. Install the steering shaft assembly (2) into the tilt head assembly (1).

    8. Object Number: 589412 Size: SH
  8. Install the steering column tilt head assembly (1) and the steering shaft assembly (3) into the steering column jacket assembly (2).

    9. Object Number: 588876 Size: SH
  9. Screw in the lead screw.

    10. Object Number: 420225 Size: SH
  10. Lubricate the pivot pins with GM P/N 12345718 (Canadian P/N 10953516).

    11. Install the 2 pivot pins onto the steering column support assembly.


    Object Number: 588849 Size: SH
  11. Align and snap the lower shield assembly onto the steering column.

    12. Object Number: 588846 Size: SH
  12. Install the bracket.
  13. Install 1 TORX® head screw to the bottom of the gearshift and tilt motor bracket.

    14. Tighten
    Tighten the screw to 3 N·m (27 lb in).


    Object Number: 420221 Size: SH
  14. Install the following components:
    15. 14.1. The steering wheel position sensor  (1). Refer to Steering Wheel Position Sensor Centering .
    14.2. The sensor locator (2)
    14.3. The sensor retainer (3)
    14.4. The steering shaft seal (4)
    14.5. The boot seal (5)

    Object Number: 588841 Size: SH
  15. Slide the control module into position.
  16. Install 1 retaining screw.

    17. Tighten
    Tighten the screw to 5 N·m (44 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.

  17. Install the tilt drive motor assembly and cable only. Refer to Tilt Motor Replacement .
  18. Install the telescope drive motor assembly and cable only. Refer to Telescope Actuator Assembly Replacement .
  19. Install the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  20. Install the linear shift assembly, shift lever and the A/T shift lock control only. Refer to Linear Shift Assembly Replacement .
  21. Install the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  22. Install the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  23. Install the steering column into the vehicle. Refer to Steering Column Replacement .
  24. Install the steering wheel onto the steering column. Refer to Steering Wheel Replacement .
  25. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.

Steering Shaft Replacement Power Tilt\\ Telescope, Floor Shift

Tools Required

J 21854-01 Pivot Pin Remover

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR coil. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement .
  3. Remove the steering column from the vehicle. Refer to Steering Column Replacement .
  4. Remove the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement
  5. Remove the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  6. Remove the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  7. Remove the telescope drive motor assembly and cable only. Refer to Telescope Actuator Assembly Replacement .
  8. Remove the tilt drive motor assembly and cable only. Refer to Tilt Motor Replacement .

    9. Object Number: 626494 Size: SH
  9. Remove 1 TORX® head screw from the control module.
  10. Slide the control module out from the steering column.

    11. Object Number: 626495 Size: SH
  11. Remove the following components:
    12. 11.1. The boot seal (5)
    11.2. The steering shaft seal (4)
    11.3. The sensor retainer (3)
    11.4. The sensor locator (2)
  12. The steering wheel position sensor (1). Refer to Steering Wheel Position Sensor Centering .

    13. Object Number: 626496 Size: SH
  13. Remove 1 TORX® head screw from the bottom of the gearshift and tilt motor bracket.
  14. Remove the bracket.

    15. Object Number: 588849 Size: SH
  15. Gently pry the lower shield assembly off of the steering column.

    16. Object Number: 420219 Size: SH
  16. Remove 2 pivot pins (1) from the steering column support assembly using J 21854-01 .

    17. Object Number: 588876 Size: SH
  17. Unscrew the lead screw.

    18. Object Number: 626497 Size: SH
  18. Remove the tilt head assembly (1) from the steering column support assembly (2) with the steering shaft (3) still attached.

    19. Object Number: 589411 Size: SH
  19. Remove the tilt head assembly (1) from the steering shaft assembly (2).

    20. Object Number: 1562300 Size: SH
  20. Remove the bearing assembly from the tilt head assembly.

    21. Object Number: 306318 Size: SH

    Important: Mark the race and upper shaft (1) and the lower steering shaft (2) to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  21. Tilt the upper shaft assembly 90 degrees to the steering shaft assembly and disengage.

    22. Object Number: 589407 Size: SH
  22. Remove 2 TORX® screws from the dampener.

    23. Object Number: 588877 Size: SH
  23. Remove and discard 4 support screws from the steering column support.
  24. Remove the steering column support.
  25. Inspect the steering column for accident damage.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 588877 Size: SH
  1. Install the steering column support and secure the support using 4 support screws.

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


    Object Number: 589407 Size: SH
  2. Install 2 TORX® screws into the dampener.

    3. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).


    Object Number: 299888 Size: SH

    Important: Use the alignment marks from the disassemble procedure. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  3. Apply GM P/N 12345718 (Canadian P/N 10953516) to the race and upper shaft assembly.
  4. Align the marks on the race and upper shaft assembly with the lower shaft assembly.
  5. Install the lower shaft assembly to the race and upper shaft assembly.

    6. Object Number: 1562300 Size: SH
  6. Install the bearing assembly into the tilt head assembly.

    7. Object Number: 589411 Size: SH
  7. Install the steering shaft assembly (2) into the tilt head assembly (1).

    8. Object Number: 626497 Size: SH
  8. Install the tilt head assembly (1) and the steering shaft assembly (3) into the jacket assembly (2).

    9. Object Number: 588876 Size: SH
  9. Install the lead screw.

    10. Object Number: 626498 Size: SH
  10. Lubricate the pivot pins with GM P/N 12345718 (Canadian P/N 10953516).

    11. Install the 2 pivot pins onto the steering column support assembly.


    Object Number: 588849 Size: SH
  11. Align and snap the lower shield assembly onto the steering column.

    12. Object Number: 626496 Size: SH
  12. Install the bracket.
  13. Install 1 TORX® head screw to the bottom of the gearshift and tilt motor bracket.

    14. Tighten
    Tighten the screw to 3 N·m (26 lb in).


    Object Number: 626495 Size: SH
  14. Install the following components:
    15. 14.1. The steering wheel position sensor  (1). Refer to Steering Wheel Position Sensor Centering .
    14.2. The sensor locator (2)
    14.3. The sensor retainer (3)
    14.4. The steering shaft seal (4)
    14.5. The boot seal (5)

    Object Number: 626494 Size: SH
  15. Slide the control module into position.
  16. Install 1 retaining screw.

    17. Tighten
    Tighten the screw to 5 N·m (44 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.

  17. Install the tilt drive motor assembly and cable only. Refer to Tilt Motor Replacement .
  18. Install the telescope drive motor assembly and cable only. Refer to Telescope Actuator Assembly Replacement .
  19. Install the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  20. Install the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  21. Install the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  22. Install the steering column into the vehicle. Refer to Steering Column Replacement .
  23. Install the steering wheel onto the steering column. Refer to Steering Wheel Replacement .
  24. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.

Steering Shaft Replacement Manual Tilt, Floor Shift

Tools Required

J 21854-01 Pivot Pin Remover

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR coil. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement .
  3. Remove the steering column from the vehicle. Refer to Steering Column Replacement .
  4. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection .
  5. Remove the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  6. Remove the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  7. Remove the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  8. Remove the tilt spring. Refer to Steering Column Tilt Spring Replacement .

    9. Object Number: 603944 Size: SH
  9. Remove the following parts from the steering column support assembly:
    10. 9.1. The boot seal (1)
    9.2. The steering shaft seal (2)
    9.3. The sensor retainer (3)
    9.4. The steering wheel position sensor (4). Refer to Steering Wheel Position Sensor Centering .
    9.5. The retaining ring (5)

    Object Number: 420219 Size: SH
  10. Remove the 2 pivot pins (1) from the steering column support assembly using J 21854-01 .

    11. Object Number: 628739 Size: SH
  11. Remove the tilt head assembly (1) from the steering column support assembly (2) with the steering shaft (3) still attached.

    12. Object Number: 516127 Size: SH
  12. Remove the tilt head assembly (1) from the steering shaft assembly (2).

    13. Object Number: 1562300 Size: SH
  13. Remove the bearing assembly from the tilt head assembly.

    14. Object Number: 306318 Size: SH

    Important: Mark the race and upper shaft (1) and the lower steering shaft (2) to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  14. Tilt the upper shaft assembly 90 degrees to the steering shaft assembly and disengage.

Installation Procedure

    Object Number: 299888 Size: SH

    Important: Use the alignment marks from the disassemble procedure. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  1. Apply GM P/N 12345718 (Canadian P/N 10953516) to the race and upper shaft assembly.
  2. Align the marks on the race and upper shaft assembly with the lower shaft assembly.
  3. Install the lower shaft assembly to the race and upper shaft assembly.

    4. Object Number: 1562300 Size: SH
  4. Install the bearing assembly into the tilt head assembly.

    5. Object Number: 516127 Size: SH
  5. Install the steering shaft assembly (2) into the tilt head assembly (1).

    6. Object Number: 628739 Size: SH
  6. Install the steering column tilt head assembly (1) and the steering shaft assembly (3) into the steering column support assembly (2).

    7. Object Number: 420225 Size: SH

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

  7. Lubricate the pivot pins with GM P/N 12346293 (Canadian P/N 992723).

    8. Install the 2 pivot pins onto the steering column support assembly.

    Stake the pins in 3 places.


    Object Number: 603944 Size: SH
  8. Install the following parts onto the steering column support assembly:
    9. 8.1. The retaining ring (5)
    8.2. The steering wheel position sensor  (4). Refer to Steering Wheel Position Sensor Centering .
    8.3. The sensor retainer (3)
    8.4. The steering shaft seal (2)
    8.5. The boot seal (1)

    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.

  9. Install the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  10. Install the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  11. Install the tilt spring only. Refer to Steering Column Tilt Spring Replacement .
  12. Install the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  13. Install the steering column into the vehicle. Refer to Steering Column Replacement .
  14. Install the steering wheel onto the steering column. Refer to Steering Wheel Replacement .
  15. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.

Steering Shaft Replacement Manual Tilt, Column Shift

Tools Required

J 21854-01 Pivot Pin Remover

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR coil. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement .
  3. Remove the steering column from the vehicle. Refer to Steering Column Replacement .
  4. Remove the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  5. Remove the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  6. Remove the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  7. Remove the linear shift assembly, the A/T shift lock control assembly, and the shift lever only. Refer to Linear Shift Assembly Replacement .
  8. Remove the tilt spring only. Refer to Steering Column Tilt Spring Replacement .

    9. Object Number: 603944 Size: SH
  9. If a steering shaft position sensor is present, remove the following parts from the steering column support assembly:
    10. 9.1. The boot seal (1).
    9.2. The steering shaft seal (2).
    9.3. The sensor retainer  (3).
    9.4. The steering wheel position sensor (4). Refer to Steering Wheel Position Sensor Centering .
    9.5. The retaining ring (5).

    Object Number: 628737 Size: SH
  10. Remove the following parts from the steering column support assembly:
    11. 10.1. The boot seal (1)
    10.2. The steering shaft seal (2)
    10.3. The sensor retainer (3)
    10.4. The retaining ring (4)
    10.5. The seal (5)

    Object Number: 420219 Size: SH
  11. Remove the 2 pivot pins (1) from the steering column support assembly using J 21854-01 .

    12. Object Number: 628739 Size: SH
  12. Remove the tilt head assembly (1) from the steering column support assembly (2) with the steering shaft (3) still attached.

    13. Object Number: 516127 Size: SH
  13. Remove the tilt head assembly (1) from the steering shaft assembly (2).

    14. Object Number: 1562300 Size: SH
  14. Remove the bearing assembly from the tilt head assembly.

    15. Object Number: 306318 Size: SH

    Important: Mark the race and upper shaft (1) and the lower steering shaft (2) to ensure proper assembly. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  15. Tilt the upper shaft assembly 90 degrees to the steering shaft assembly and disengage.

Installation Procedure

    Object Number: 299888 Size: SH

    Important: Use the alignment marks from the disassemble procedure. Failure to assemble properly will cause the steering wheel to be turned 180 degrees.

  1. Apply GM P/N 12345718 (Canadian P/N 10953516) to the race and upper shaft assembly.
  2. Align the marks on the race and upper shaft assembly with the lower shaft assembly.
  3. Install the lower shaft assembly to the race and upper shaft assembly.

    4. Object Number: 1562300 Size: SH
  4. Install the bearing assembly into the tilt head assembly.

    5. Object Number: 516127 Size: SH
  5. Install the steering shaft assembly (2) into the tilt head assembly (1).

    6. Object Number: 628739 Size: SH
  6. Install the steering column tilt head assembly (1) and the steering shaft assembly (3) into the steering column support assembly (2).

    7. Object Number: 420225 Size: SH

    Important: Once the steering column support and the pivot pins have been staked 3 times, replace the steering column support.

  7. Lubricate the pivot pins with GM P/N 12346293 (Canadian P/N 992723).

    8. Install the 2 pivot pins onto the steering column support assembly.

    Stake the pivot pins in 3 places.


    Object Number: 603944 Size: SH
  8. If a steering shaft position sensor is present, install the following parts to the steering column support assembly:
    9. 8.1. The retaining ring (5).
    8.2. The steering wheel position sensor  (4). Refer to Steering Wheel Position Sensor Centering .
    8.3. The sensor retainer (3).
    8.4. The steering shaft seal (2).
    8.5. The boot seal (1).

    Object Number: 628737 Size: SH
  9. If a steering shaft position sensor is not used, install the following parts to the steering column support assembly:
    10. 9.1. The seal (5).
    9.2. The retaining ring (4).
    9.3. The sensor retainer (3).
    9.4. The steering shaft seal (2).
    9.5. The boot seal (1).

    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.

  10. Install the linear shift assembly, the A/T shift lock control assembly, and switch lever only. Refer to Linear Shift Assembly Replacement .
  11. Install the turn signal and multifunction switch assembly only. Refer to Turn Signal Multifunction Switch Replacement .
  12. Install the wire harness assembly only. Refer to Steering Column Wiring Harness Assembly Replacement .
  13. Install the tilt spring only. Refer to Steering Column Tilt Spring Replacement .
  14. Install the steering wheel theft deterrent lock assembly. Refer to Theft Deterrent Module Replacement .
  15. Install the steering column into the vehicle. Refer to Steering Column Replacement .
  16. Install the steering wheel onto the steering column. Refer to Steering Wheel Replacement .
  17. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.