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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 801 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Replacement (AWD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to JACKING AND LIFTING in General Information.
  2. Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  3. Remove the torsion bar. Refer to TORSION BAR REPLACEMENT .
  4. Remove the stabilizer shaft link. Refer to STABILIZER SHAFT LINK REPLACEMENT (RWD)  or STABILIZER SHAFT LINK REPLACEMENT (AWD)  .
  5. Remove the shock absorber lower mounting bolt.
    Fig 1: Removing Shock Absorber Lower Mounting Bolt
    G01646280Courtesy of GENERAL MOTORS CORP.
  6. Compress the shock absorber.
  7. Remove the rotor. Refer to BRAKE ROTOR (FRONT) in Disc Brakes.
  8. Remove the wheel drive shaft retaining nut and the washer from the wheel hub and bearing.
    Fig 2: Removing Wheel Drive Shaft Retaining Nut
    G01646281Courtesy of GENERAL MOTORS CORP.
  9. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859. 
    Fig 3: Disengaging Wheel Drive Shaft From Wheel Hub And Bearing
    G01646282Courtesy of GENERAL MOTORS CORP.
  10. Remove the outer tie rod cotter pin and retaining nut.
    Fig 4: Removing Outer Tie Rod Cotter Pin And Retaining Nut
    G01646283Courtesy of GENERAL MOTORS CORP.
  11. Remove the outer tie rod from the steering knuckle using the J 24319-B. 
    Fig 5: Removing Outer Tie Rod From Steering Knuckle
    G01646284Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the wheel speed sensor electrical connector.
  13. Remove the wheel speed sensor bracket retaining bolts at the frame and upper control arm.
  14. Disconnect the wheel speed sensor wiring harness clips form the upper control arm.
  15. Remove the upper ball joint cotter pin and retaining nut.
  16. Install the J 36607  to the upper control arm and steering knuckle.
  17. Disconnect the upper control arm from the steering knuckle using the J 36607. 
    Fig 6: Disconnecting Upper Control Arm From Steering Knuckle
    G01646285Courtesy of GENERAL MOTORS CORP.
  18. Remove the lower ball joint cotter pin and retaining nut.
    Fig 7: Removing Lower Ball Joint Cotter Pin And Retaining Nut
    G01646286Courtesy of GENERAL MOTORS CORP.
  19. Using a pry bar, placed on top of the upper control arm and on the bottom of the frame, pry downward.
  20. With the aid of a helper, carefully hammer on the steering knuckle in the area of the lower ball joint stud in order to release the stud from the steering knuckle.
  21. Remove the steering knuckle and wheel hub and bearing.
  22. Remove the lower control arm mounting nuts and the washer.
  23. Remove the lower control arm mounting bolts.
  24. Remove the lower control arm from the vehicle.
    Fig 8: Removing Lower Control Arm From Vehicle
    G01646287Courtesy of GENERAL MOTORS CORP.
  25. Remove the lower control arm brace from the lower control arm.
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