K 2500 Truck 4WD V8-379 6.2L DSL (1989)
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Raise and support front of vehicle with suitable safety stands. Support the lower control arm with a floor stand or jack as far outboard as possible.
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The vehicle must be stable and should not rock on the floor stands.
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If the vehicle is equipped with aluminum wheels it may be necessary to first remove the wheel.
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 the frame and measurement needle on the top of the upper ball joint or
control arm (figure 16).
