CV
joint (Constant Velocity joint)
CV
joints (Constant Velocity Joints) allow a rotating driveshaft to
transfer power through a variable angle, at constant rotational
speed, without an appreciable increase in friction or play, freely
allowing the wheel to move up and down with the suspension and rotate
about a vertical axis for steering. They are mainly used in front wheel drive and all wheel drive cars. However, rear wheel drive cars with equipped with independent rear
suspension typically use CV joints at the ends of the rear axle
halfshafts. Some AWD (all wheel drive) vehicles use them for all four half-axles
and on the front-to-rear driveshaft (propeller shaft) as well.
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