There are two basic types of steering—standard mechanical steering and rack & pinion steering. This can be either power assisted or non-power assisted.
In standard mechanical steering, the steering wheel is connected to the steering box through the steering column. The steering box turns the rotation of the steering wheel 90° and, in the case of power steering, uses high-pressure fluid to help actuate the steering.
Steering rack-and-pinion is quickly becoming the most common type of steering on cars, small trucks and SUVs. Steering Rack and pinion combines the steering box and center link into one unit. The steering wheel, through the steering column, is directly connected to the steering rack. Inside the steering rack is a pinion assembly that moves a toothed piston to move the steering gearbox. When you turn the steering wheel, the gear spins, moving the steering rack. The tie rod at each end of the rack connects to the steering arm on the spindle.
It may become necessary to replace the steering gearbox if it has become worn. Wear in the gearbox may result in excess “play” in the steering that could make it not respond as quickly as it should. Wear in the steering gearbox could also cause an oil leak.
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