Power steering systems use hydraulic or electric power to assist the driver in turning the wheels. Hydraulic Power Steering: ...

[Jason] can feel the motor from the power drill pushing against the steering wheel at the appropriate time. However there are some issues to work out with the prototype as the coupling mechanism ...

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.

Considering we’re covering sounds prompted by turning the wheel, let’s start with the steering wheel. Most vehicles use hydraulic power steering which requires power steering fluid to turn the wheel.