Power steering fluid also does the following: Provides lubrication- Ensures low friction between moving parts. Pressurization- Makes it easier to turn the steering wheel. Protects against ...

Pop the hood of your car, and you’ll find a whole lineup of fluids quietly doing the heavy lifting — cooling, cleaning, ...

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.