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We all know what it's like to suffer from sore joints. Even if you're in good physical condition, without enough cushioning between your bones, ordinary motions can be difficult. Now, apply that same concept to the suspension on your old car or truck. The bushings found on the control arms, leaf springs and various mounts are like the cartilage between your joints. The manufacturer normally equips a vehicle with rubber bushings, which provide a soft ride. Over time, however, the rubber begins to wear from oil and other contaminants under your vehicle, and the suspension components start to bind. That's when the automotive equivalent of Arthritis sets in, and your vehicle's performance suffers (not to mention your own level of ride and handling comfort). Worn bushings are one of the major reasons for road wander. Rubber bushings may crush down before the suspension can respond to a bumpy road, allowing for play or wobble.

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16y ago

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