The power steering system uses hydraulic pressure generated by the power steering pump to reduce the force required to turn the steering wheel. The power steering pump cannot be disassembled. It must be replaced as a unit.
The steering gear is a hydraulic-mechanical unit that uses an input shaft/pinion and rack (sector shaft) to provide power-assisted steering control. The steering gear cannot be disassembled. It must be replaced as a unit. Replaceable items on the steering gear are:
