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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
To see if you have a sticky rotor, just jack it up and spin the wheel. It should be fairly easy.
Think Wheel of Fortune.... If you spin it and it stops unusually quickly, you might have a caliper dragging.
Also, you can pop the bleeder screw and attempt to compress the piston. It should recess into the caliper housing rather easily. If you encounter much resistance or if the piston refused to move -- it's stuck.
You should always at least have your rotors turned when you change pads. The uneven wear on the old rotor surface will cause subsequent uneven wear on the pad surfaces, which in turn cause more uneven wear back onto the rotor.
Also, you can pop the bleeder screw and attempt to compress the piston. It should recess into the caliper housing rather easily. If you encounter much resistance or if the piston refused to move -- it's stuck.
You should always at least have your rotors turned when you change pads. The uneven wear on the old rotor surface will cause subsequent uneven wear on the pad surfaces, which in turn cause more uneven wear back onto the rotor.
That is more true if you change rotors without changing pads.
But having the rotors turned can decrease their ability to shed heat, so you should always take a micrometer to them to make sure they won't be below the minimum thickness specification in the service manual.
I believe the Haynes and Chilton manuals also list the minimum rotor thickness somewhere too.
Hope this is all solved and your brakes work like new again