GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 2004 🢒 Unit Repair 🢒 Steering 🢒 Steering Wheel and Column 🢒 Lower Bearing and Steering Column Jacket Replacement

Lower Bearing and Steering Column Jacket 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: 1562298 Size: SH
  11. Remove the lower bearing adapter from the steering column jacket assembly.

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

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

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

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

    16. 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.

  16. 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: 1562298 Size: SH
  8. Install the lower bearing adapter to the steering column jacket assembly.

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

    Object Number: 628737 Size: SH
  10. If a steering shaft position sensor is not used, install the following parts to the steering column support assembly:
    11. 10.1. The seal (5).
    10.2. The retaining ring (4).
    10.3. The sensor retainer (3).
    10.4. The steering shaft seal (2).
    10.5. 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.

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