Upper Ball Joint ("S" Series)
- Raise and support vehicle with jack stands under lower control arms, as close as possible to each lower ball joint. Ensure upper control arm bumper does not contact frame. Place dial indicator against lower part of wheel rim. Push in on bottom of tire while pulling outward at the top. Read dial indicator, then reverse push/pull procedure.
- Lateral (horizontal) deflection should not exceed .125" (3.18 mm). If deflection is excessive, replace ball joint.