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Re: Rear Ball Joints? Posted by turbotom [Email] ![]() ![]() In Reply to: Rear Ball Joints?, R. Frist, Tue, 13 Jun 2006 22:48:32 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Description: A ball joint consists of a hardened-steel, bearing stud and socket enclosed in a steel housing. The bearing stud is tapered and threaded and fits into a tapered hole in the steering knuckle. A protective boot prevents dirt from entering the joint assembly. Ball joints are used on the front end of virtually every car and light truck. Vehicles with conventional suspension systems use two ball joints per wheel: an upper and a lower ball joint. Cars with MacPherson strut suspension systems use a lower ball joint and an upper strut bearing rather than an upper ball joint.
Purpose: Ball joints serve as the pivot points between the tires and suspension. Ball joints also support weight. On some vehicles, the ball joints may be used to make wheel alignment settings.
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