According to the National Highway Traffic Safety Administration (NHTSA), which quotes information from the manufacturer, “the nut on the upper control arm ball joint may not have achieved the ...

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement -- from side ...

If the ball joint assembly where the lower control arm attaches in the rear knuckle on certainof these cars moves forward or backward from its installed position, greater stress will be placed on ...