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Home >> Chevrolet >> 1994 >> Astro Van Cargo Extended, 4.3 W, RWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension - Front Torsion Bar (4WD & AWD) >> Removal & Installation >> Upper Ball Joint >> Removal

Upper Ball Joint: Removal

  1. Raise and support vehicle under lower control arms. Remove wheel and tire assembly. Remove steering knuckle. See STEERING KNUCKLE  . Remove brakeline and brackets from upper control arm (if equipped).
  2. To remove upper ball joint from upper control arm, use drill motor and 1/8" (3.18 mm) drill bit to drill 1/4" (6.35 mm) deep hole in ball joint retaining rivets. Using 1/2" (12.7 mm) drill bit, drill out rivet heads. Using a hammer and small punch, drive out rivets and remove ball joint from upper control arm.
CAUTION: When installing upper ball joint stud nut, tighten nut to align cotter pin hole. DO NOT tighten ball joint stud nut more than an additional 1/6 turn to align cotter pin hole. Complete tightening of upper ball joint stud nut with vehicle at proper riding height specification.