i have a 98 v6 and i am trying to replace my rotors...i got as far as removing the calipers but i cant get the rotors off...i removed the 2 washers on the stud bolts but the rotor still wont budge...i have been using a rubber mallet to remove the rotor with no luck...am i missing a step? do i need to remove any bearings or any caps...please help. any info appreciated. thanks in advance