i have a 2005 grand cherokee, 3.7l and today i changed the wheel speed sensors on the rear but when i got to the front the chilton says to remove the caliper and the caliper bracket and slide the rotor off. i did all that and the rotor wont budge. so i looked on the backside and saw 3 15mm bolts that looked relative to the rotor and removed them, still wont come off. i dont know what to do there is nothing else holding this rotor on. would appreciate some help on this issue.

 

Sounds like the rotor is just stuck or rusted on there. Try taking a hammer and taping on the back side of the rotor. As you do this rotate it so you are hitting it evenly. It might take a little bit of work but it should come off