CV joints consist of a cage, balls, and inner raceway encased in a housing covered by a rubber boot, all of which is filled with lubricating grease. The grease is necessary to reduce the friction of ...

CV joints are covered by protective rubber boots, and if the boots crack or are otherwise damaged, the CV joints will lose their lubrication and be damaged by dirt and moisture.

The most prudent maintenance for these systems is to maintain the integrity of the CV joint boots, which are rubber sleeves around the constant velocity joints. The boots keep grease in and debris ...