Unbelievably easy, plenty of 20-second videos out there. That's about how long it takes, no tools. My only issue, and it is not with the part, was that I wasn't entirely sure that it would work with my model until I ran a load. Amana, why the heck don't you offer this as a standard option, or even mention this as an option when you buy the machine? The Downy ball is a pain to use!