K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Figure 16
Check the ball joints for vertical looseness
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With front of vehicle supported, position dial indicator with magnetic base on frame and measurement needle on top of the upper ball joint or
control arm (figure 16).
Figure 17
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With a pry bar, pry between the upper control arm and steering knuckle while observing the dial indicator (figure 17).
