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It's not really called a CVC, it's called a CV joint. It stands for Constant Velocity. A CV joint is a flexible joint that transmits power from the axle shaft to the wheel and allows the wheel to turn left and right and move up and down. The joint contains ball bearings held in place with a cage. The entire unit is packed with grease and protected by an Accordion style rubber boot. Over time the boot deteriorates and cracks. Since the CV joint spins, a cracked boot throws out all the grease, exposing the interior parts to road grit. Once that happens, the joint is pretty much toast. The best way to repair it is to replace the entire axle with a rebuilt unit.

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13y ago

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