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.

Hydraulic Power Steering: This older system uses a hydraulic pump to generate fluid pressure, which is then used to assist in ...

Hydraulic power steering systems continuously pump fluid and are susceptible to engine speed high revolutions per minute ...

The hydraulic system begins and ends with a reservoir which houses the fluid. A pump ... to the power cylinder and back again through ports and channels. When the driver turns the steering wheel ...