Ford Mid-Size Cars 1971-1985 Repair Guide

Lower Ball Joint



See Figures 1 and 2

  1. Support the vehicle in normal driving position with ball joints loaded. This is most easily done with the front of the vehicle supported on ramps.
  3. Wipe the grease fitting and ball joint cover checking surface clean.
  5. The checking surface should project outside the cover. The checking surface is the round boss into which the grease fitting is threaded. If the checking surface is inside the cover, replace the lower control arm assembly.

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Fig. Fig. 1: Checking the lower ball joint

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Fig. Fig. 2: Measuring the lower ball joint play


The ball joint is an integral part of the lower control arm. If the ball joint is defective, the entire lower control arm must be replaced.