Tackling a full hydraulic pump rebuild on my Hitachi EX120-2—without expert experience! Can it be done? Watch as I break it down and test my skills. #ExcavatorRebuild #HeavyEquipment #Hydraulics ...

The power-steering pump pressurizes the hydraulic fluid that helps the driver turn the steering wheel. Signs of steering-pump failure include leaks, noises or decreased assistance while steering.