Either the loss of lubrication due to a boot being ripped or torn, or just plain old wear and tear on the CV itself. Starving the CV joint of lubrication will make the joint loosen a lot faster than it would if you just put many miles on it. To make sure you don't starve the CV joint of lubrication you can inspect the boot regularly, such as everytime you change your oil.
CV (Constant-Velocity) joint
Could be the CV joint is dry or has failed.
Remove wheel and brake caliper, remove caliper frame and ABS cable.Separate tie rod end and ball joint from steering knuckle. Remove hub nut and pull knuckle away from outer cv joint. Insert a thin pry bar between cv inner and transaxle case and jerk it to loosen cv joint. Re-install in reverse order.
Could be a worn CV joint
sounds like a cv joint
Bad CV joint, loose rim, Loose caliper
how to fit cv joint on ford galaxy
On Front Wheel Drives, when the CV Joint is going bad it will do this because the joint is not wearing out and when turned you get a clacking sound. I believe it is the CV joint opposite of the way you turn that is bad.
CV Skjøt
If it is round, it is a cv. If it is a cross shape, it is an u joint.
what happens when cv joint breaks when you are driving on freeway
CV Joint going out