[rotorwrench]

The car can be jacked in the front to get the wheels off the ground. A person can check for play in the wheels centered position since that is the only spot where play should be minimal. Adjustment can be done at the top of the box to remove play from normal wear & tear. Now if you remove play and find that the steering has a notchy feel to it, there may be some spots on the worm where spalling of metal has taken place which makes the wear surfaces uneven and rough. If this happens or there is excessive wear on the sector roller gear then the box will need to be repaired or overhauled.