However, if your hydraulic power steering fluid is low or contaminated ... steering wheel and your power steering reservoir ...

Once you get bored and let go of the wheel, the system returns to neutral, and all of the fluid entering the control valve is immediately channeled back to the reservoir. Hydraulic steering also ...

In many vehicles, the steering assist comes in the form of a hydraulic system ... because what goes on inside that reservoir -- from the amount of fluid to its color -- is a good indicator ...

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.