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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 635 (Steering Wheel And Steering Column) >> Repair Instructions >> Steering Shaft, Lower Bearing & Jacket - Disassemble - Off Vehicle (Column Shift Sphere Joint) >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the electronic lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle (Column Shift)  or Electronic Column Lock Module - Disassemble - Off Vehicle (Floor Shift)  .
  2. Remove the tilt spring assembly only. Refer to Tilt Spring - Disassemble - Off Vehicle .
  3. Inspect the steering column for accident damage. Refer to Steering Column Accident Damage Inspection - Off Vehicle .
    Fig 1: Turn Signal & Multifunction Switch Assembly
    G01667346Courtesy of GENERAL MOTORS CORP.
  4. Remove the 2 TORXR screws from the turn signal and multifunction switch assembly. Remove the turn signal and multifunction switch assembly.
  5. Remove the automatic transmission shift lock control in the following way:
    1. 5.1. Put the shift lever clevis into the NEUTRAL position.
    2. 5.2. Use a small screwdriver to pry the automatic transmission shift lock control away from the steering column jacket assembly and the cable shift cam assembly.
      Fig 2: Automatic Transmission Shift Lock Control
      G01667347Courtesy of GENERAL MOTORS CORP.
  6. Remove the 3 TORX® screws from the linear shift assembly. Remove the linear shift assembly from the steering column support assembly.
    Fig 3: Linear Shift Assembly
    G01667348Courtesy of GENERAL MOTORS CORP.
  7. Remove the adapter and bearing assembly (1) from the steering column shaft assembly.
    Fig 4: Steering Column Shaft Bearing Assembly
    G01667349Courtesy of GENERAL MOTORS CORP.
  8. Remove the 2 pivot pins (3) from the steering column tilt head assembly (1) by using J 21854-01  .
    Fig 5: Steering Column Tilt Head Assembly
    G01667350Courtesy of GENERAL MOTORS CORP.
  9. Install the tilt lever into the steering column tilt head assembly (1).
  10. Pull back on the tilt lever and at the same time pull the steering column tilt head assembly (1) down and away from the steering column.
  11. Remove the steering column tilt head assembly (1) with the steering column shaft assembly from the steering column jacket assembly (2).
    12. Fig 6: Steering Column Tilt Head Assembly
    G01667351Courtesy of GENERAL MOTORS CORP.
  12. Remove the tilt lever.
  13. Remove the steering column shaft assembly (2) from the steering column tilt head assembly (1).
    Fig 7: Steering Column Shaft Assembly
    G01667352Courtesy of GENERAL MOTORS CORP.

    Important:  Mark the race and upper shaft assembly and the lower shaft assembly before disassembly. Failure to assemble the race and upper shaft assembly and the lower shaft assembly correctly will cause the steering wheel to be turned 180 degrees.

  14. Tilt the steering column shaft assembly (1) 90 degrees to the lower shaft assembly (2).
  15. Disengage the race and upper shaft assembly (1) from the lower shaft assembly (2).
    Fig 8: Race & Upper Shaft Assembly
    G01667353Courtesy of GENERAL MOTORS CORP.
  16. Insert the race and upper shaft assembly (1) into J 41688  .
  17. Insert J 41688  into a vise.
  18. Rotate the driver 90 degrees in the counterclockwise direction in order to disengage the centering sphere from the race and upper shaft assembly.
  19. Remove the race and upper shaft assembly (1) from J 41688  .
  20. Remove the shaft preload spring and the centering sphere from J 41688  .
  21. If necessary, discard the old centering sphere and the old shaft preload spring.
    Fig 9: Centering Sphere Installer - Tilt Steering Wheel Tool
    G01667354Courtesy of GENERAL MOTORS CORP.
  22. Remove the 4 TORXR head screws (2) from the steering column support assembly (1).
  23. Discard the 4 TORXR head screws.
  24. Remove the steering column support assembly (1) from the steering column jacket assembly.
    Fig 10: Steering Column Support Assembly
    G01667355Courtesy of GENERAL MOTORS CORP.
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