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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Suspension System >> Repair Instructions >> Lower Control Arm Replacement (4WD) >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to LIFTING & JACKING THE VEHICLE in General Information.
  2. Remove the tire and the wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  3. Remove the torsion bar from the lower control arm. Refer to Torsion Bar and Support Assembly Replacement .
  4. Remove the steering linkage shield. Refer to STEERING LINKAGE SHIELD REPLACEMENT in Steering Linkage.
    Fig 1: Removing Torsion Bar From Lower Control Arm (4WD)
    G01670453Courtesy of GENERAL MOTORS CORP.
  5. Remove the stabilizer shaft link from the lower control arm. Refer to Stabilizer Shaft Link Replacement (RWD)  or Stabilizer Shaft Link Replacement (4WD) .
  6. Remove the stabilizer shaft bracket bolts.
  7. Lower the stabilizer shaft.
  8. Remove the shock absorber lower mounting bolt.
  9. Compress shock absorber.
    Fig 2: Removing Stabilizer Shaft Bracket Bolts (4WD)
    G01670454Courtesy of GENERAL MOTORS CORP.
  10. Remove the wheel drive shaft retaining nut and washer.
    Fig 3: Removing Wheel Drive Shaft Retaining Nut And Washer (4WD)
    G01670455Courtesy of GENERAL MOTORS CORP.
  11. Disengage the wheel drive shaft from the wheel hub and bearing. Place a brass drift against the outer end of the wheel drive shaft in order to protect the wheel drive shaft threads. Sharply strike the brass drift with a hammer. Do not attempt to remove the wheel drive shaft from the wheel hub and bearing at this time.
  12. Remove the front brake rotor. Refer to BRAKE ROTOR -- FRONT in Disc Brakes.
    Fig 4: Disengaging Wheel Drive Shaft From Wheel Hub And Bearing (4WD)
    G01670456Courtesy of GENERAL MOTORS CORP.
  13. Remove the wheel speed sensor wiring harness and brake hose bracket mounting nut and bolt from the upper control arm.
  14. Remove the wheel speed sensor wiring harness bracket from the frame.
  15. Disconnect the wheel speed sensor electrical connection.
    Fig 5: Removing Wheel Speed Sensor Wiring Harness, Brake Hose Bracket Mounting Nut And Bolt From Upper Control Arm (4WD)
    G01670457Courtesy of GENERAL MOTORS CORP.
  16. Remove the outer tie rod cotter pin and retaining nut.
  17. Remove the outer tie rod from the steering knuckle using J 24319-B  .
    Fig 6: Removing Outer Tie Rod From Steering Knuckle Using J 24319-B (4WD)
    G01670458Courtesy of GENERAL MOTORS CORP.
  18. Remove the upper ball joint cotter pin and retaining nut.
  19. Using a pry bar, placed under the upper control arm and on top of the frame, pry upward.
  20. With the aid of a helper, carefully hammer on the steering knuckle in the area of the upper ball joint stud in order to release the stud from the steering knuckle.
  21. Remove the lower ball joint cotter pin and retaining nut.
  22. Using J 43631  separate the lower ball joint from the steering knuckle.
  23. Remove the steering knuckle.
    Fig 7: Removing Lower Ball Joint Cotter Pin And Retaining Nut (4WD)
    G01670459Courtesy of GENERAL MOTORS CORP.
  24. Remove the lower control arm to the crossmember and the frame bracket mounting nuts and bolts.
  25. Remove the lower control arm from the frame.
    Fig 8: Removing Lower Control Arm To Crossmember And Frame Bracket Mounting Nuts And Bolts (4WD)
    G01670460Courtesy of GENERAL MOTORS CORP.
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