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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Suspension >> Front Suspension >> Suspension - Front (Coil) >> Removal & Installation >> Lower Ball Joint >> Removal

Lower Ball Joint: Removal

  1. Raise and support vehicle with jack stand under lower control arm between ball joint and spring seat. Jack stand must remain under lower control arm during lower ball joint servicing to maintain lower control arm and coil spring positioning.
  2. Remove wheel and tire assembly. Remove brake caliper and hang aside with wire. DO NOT allow brake caliper to hang by brake line. Remove grease fitting, rubber grease seal and cotter pin from lower ball joint stud. Loosen ball joint stud nut 2 turns. DO NOT remove nut at this time.
  3. Install Ball Joint Separator (J-23742 ) between upper and lower ball studs. See Figure. Extend bolt on ball joint separator to loosen ball joint stud from steering knuckle. Remove ball joint separator. Separate ball joint from steering knuckle.
  4. Place a wooden block between upper control arm and frame to keep steering knuckle assembly out of the way. Assemble on control arm, "C" Clamp (J-9519-23 ) and Removers (J-9519-7 and J-9519-28 ) from Ball Joint Remover/Installer Set (J-9519-D ). See Figure. Remove ball joint from lower control arm.
CAUTION: When installing upper and lower ball joint stud nuts, NEVER loosen nut to install cotter pin. Stud nuts may be tightened up to 40 ft. lbs. (54 N.m) in excess of specified torque specification.
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