The king pin is the large metal pin that connects the axle to the steering knuckle on a truck. The king pin holds the entire weight of the truck on the axle, so it's important that it is strong and in good condition. Over time, king pins can become worn down and need to be replaced. When this happens, it's important to have a professional do the work so that your truck stays safe on the road. A qualified mechanic will check for any other problems with the axle or steering system before performing the replacement. Once completed, you'll notice an immediate difference in how smoothly your truck handles turns.
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