GM Full Size Vans 1987-1997 Repair Guide

Lower Ball Joint

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INSPECTION



See Figure 1



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Fig. Fig. 1: Inspecting the lower ball joint

  1. Support the weight of the control arm at the wheel hub.
  2.  
  3. Wipe the ball joints clean and check the seals for cuts or tears. If a seal is damaged the ball joint MUST be replaced.
  4.  
  5. Measure the distance between the tip of the ball joint stud and the grease fitting below the ball joint.
  6.  
  7. Move the support to the control arm and allow the hub to hang free. Measure the distance again. If the variation between the two measurements exceeds 3 / 32 in. (2.4mm) the ball joint should be replaced.
  8.  

REMOVAL & INSTALLATION



See Figures 2, 3 and 4

  1. Raise and support the front end on jackstands.
  2.  
  3. Support the lower control arm with a floor jack.
  4.  
  5. Remove the wheel.
  6.  
  7. Remove the lower stud cotter pin and loosen, but do not remove, the stud nut.
  8.  



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Fig. Fig. 2: Disconnecting the lower ball joint



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Fig. Fig. 3: Removing the lower ball joint



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