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calipers may not be depressing all the way , causing the brakes to drag and heat up rotors causing them to warp +

another possibility is tightening down the rotor TOO tight onto the hub- or - not having it turned and rubbing uneven- good idea to turn the rotors onn each brake change if you have been just leaving the rotors on- and changing pads- this may be the issue- 2dynamic

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17y ago

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Is it better to buy new rotors or turn old ones?

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1999 dodge grand caravan shakes when braking why changed pads resurficed rotors 3 times. new tires and alignment has been done after resurficing the rotors probablem went away for awhile but is back?

The calipers may be failing. Just age and heat related. I have carried newspapers by night (a heavy load) and suffered similar problems. With wear the piston within the brake caliper will bind up and not allow hydraulic pressure to back off of the shoes against the rotor. The shoes will grip the rotor causing further heat buildup and warping of the rotor. It is the warped rotor that will cause the front brake chatter. Often a rebuilt caliper is cheaper than a rotor and a set of brake pads. You may have a caliper that is allowing the brake pad to rub, or the vehicle may be a little heavy for brake design. If the problem went away after you turned the rotors, that's a good indication that the rotors were warped causing your brake chatter. If the vehicle is loaded heavy or the brakes work hard for any reason, the rotors will heat up and warp, causing brake chatter. That's just the nature of disk brakes. You may be able to get better service from some NEW rotors, and if you're buying them from an auto parts store, make sure they aren't oriental iron. Often cheaper iron will warp easily. You may need to pay more for dealer rotors, but if you keep having the problem, that may be your only solution. I've used imported rotors for my vehicles and the vehicles I've repaired for others and haven't had a problem, but it can be a problem for some people.


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