How Much Does It Cost To Fix a Ball Joint?
Image by Ryan McGuire from Pixabay
The ball joint is to the car what a human shoulder is to the body. The same way the shoulder moves can be replicated by the ball and socket design that fits into a car’s wheelbase. The stem socket moves as the control arm while it travels up and down with changing road conditions, keeping the wheel assembly stable on the ground.
The stem can spin freely without being attached to the base, and this is the pivot point.