"F" Body

Loosen nuts on bolts securing lower control arm to crossmember. Attach Turnbuckle Adjuster (J-38658) to crossmember and lower control arm. See Figure. Rotate turnbuckle clockwise to increase caster or counterclockwise to decrease caster. Adjust caster to specification. See WHEEL ALIGNMENT SPECIFICATIONS  table. Tighten nuts to specification. See TORQUE SPECIFICATIONS  table. Remove adjuster.