If You're Repairing or Replacing a Clicking CV Joint ...
If you are replacing a clicking CV joint, this diagram may help understand how a CV joint works.
If you're repairing or replacing a clicking CV joint, it may help to understand the parts that make up a CV joint (more fully known as a Constant Velocity Joint). This diagram will show you hwo it all goes together to give you a reliable axle. Clicking CV joints can lead to failure, so replacing your CV joint now is a good idea.