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Home >> GMC >> 1986 >> Forward Control 4.8 T, Standard >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension - Front (2WD) - Except Astro, Safari & "S" Series >> Removal & Installation >> Lower Ball Joint >> Removal

Lower Ball Joint: Removal

  1. Raise and support vehicle. If frame hoist is used, support lower control arm with adjustable jack stand. Remove wheel and tire assembly. Remove lower ball joint stud cotter pin. Loosen stud nut 2 turns but do not remove at this time.
  2. Remove brake caliper and suspend out of way with wire. Do not hang by flexible brake hose. Install Ball Joint Separator (J-23742 ) between the ball studs. Extend bolt on separator tool to loosen ball stud. See Fig 1 .
    Fig 1: Separating Upper & Lower Ball Joints Ensure the separator tool is placed in the proper position depending on the ball joint being separated.
    G31415
  3. Remove tool and ball stud nut. Pull brake rotor/hub assembly and steering knuckle assembly up off ball stud and support upper control arm with block of wood.
  4. Install Ball Joint Remover and Installer Set (J-9519-D , which must include "C" Clamp J-9519-10 , Installer J-9519-9 , Adapter J-9519-16 and Receiver J-9519-22 or J-21474-13 ). Turn hex head screw on clamp to press lower ball joint out of control arm bore. Remove tools and ball joint from vehicle. See Figure .
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