A power steering pump is used to apply the correct amount of pressure to the wheels for smooth turning. ... This pressure comes in the form of power steering fluid, which gets pumped from the reservoir into the steering gear as needed.
The Pump
Inside of the power steering pump lies a rotor equipped with vanes around perimeter. As the rotor spins, it pulls power steering fluid out of the reservoir, increasing its pressure. This pressurized fluid then travels on to the steering rack, where it enables the appropriate movement.
13 июл 2021