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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 916 (Front Suspension System) >> Repair Instructions >> Lower Ball Joint Replacement (RWD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle with safety stands. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
    CAUTION: Refer to FLOOR JACK CAUTION in Cautions and Notices.
  3. Place a floor jack under the control arm spring seat. Raise the jack in order to support the control arm.
    NOTE: Support the caliper with a piece of wire to prevent damage to the brake line.
  4. Remove the brake caliper. Refer to BRAKE CALIPER -- FRONT SINGLE PISTON or BRAKE CALIPER -- FRONT DUAL PISTON in Disc Brakes.
  5. Remove the cotter pin and the nut.
  6. Break the ball joint loose from the steering knuckle using the J 23742  .
    Fig 1: Breaking Ball Joint Loose From Steering Knuckle
    G01467649Courtesy of GENERAL MOTORS CORP.

    Important:  Place a wooden block between the frame and the upper control arm in order to lift the knuckle assembly out of the way.

  7. Remove the lower control arm out of the opening in the splash shield. Use a putty knife or a similar tool in order to guide the control arm past the splash shield.
    Fig 2: Lower Control Arm
    G01467650Courtesy of GENERAL MOTORS CORP.
  8. Remove the lower ball joint from the lower control arm using J 9519-D  .
  9. Inspect the tapered hole in the steering knuckle and remove any dirt. If the tapered hole is out of round, deformed, or damaged, replace the steering knuckle.
    Fig 3: Removing Lower Ball Joint From Lower Control Arm
    G01467651Courtesy of GENERAL MOTORS CORP.
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