Brake replacement on 2006 Ford Explorer

Currently replacing the rear brakes. need to know why the rotor is so hard to remove once its broken free. thanks....bp

Asked by for the 2006 Ford Explorer
Be sure to remove the rear caliper and its bracket. Also, rotors can rust on to the hub, so you need to use some penetrating oil. You may even have to tap it with a hammer.

here is link to some info that will help