Mustang L4-140 2.3L SOHC (1982)
Ball Joint: Testing and Inspection
Ball Joint, Upper
Fig. 4 Checking lower ball joint for wear
Support vehicle in normal driving position with both ball joints loaded. Clean area around grease fitting and checking surface. The checking surface is
the round boss into which the grease fitting is installed. The checking surface should project outside the ball joint cover, Fig. 4. If checking surface is
inside the cover replace the lower control arm assembly.