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Posts Tagged: ball joint

Ball Joint Guide: Understand Your Car’s Suspension

How a ball joint works and how it fails A ball joint sits on the outer end of the control arm and acts as a pivoting joint to attach the steering knuckle to the vehicle. It’s a ball and socket (much like a hip joint) arrangement that allows the steering knuckle to rotate left and right, and up and down. The joint consist of a hardened steel ball, a tapered stud shaft and a hardened steel casing filled with grease. A protective rubber boot connects to the casing and the … Read More

What does a ball joint do and how long do they last

Ball joints are flexible joints that allow the wheels to turn left and right and move up and down. This post has been updated. Click here to see the most recent post     In many ways, a ball joint’s ball and socket design is similar to that of a hip joint where the hip can rotate around the ball in multiple directions. A ball joint consists of a ball and a socket as well. The joint allows the front wheel to turn left and right while simultaneously moving up … Read More


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