Quote:
Originally Posted by cabmando
I have been noticing a hum at a very slow rolling stop. I noticed my rotors have a slight drag that at a point on each side. The aren't warped to a point of causing braking issues. I assume the slight drag is the cause of the humming sound. I brought my rotors to Orielly's to have them turned but they can't get them to fit in their machine with the hubs off. Anyone else find it difficult to get rotors turned?
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I may be reading this wrong. Hubs off of the rotors or hubs and rotors 1 piece just off the spindle?
You need to turn the rotors while they are bolted to the hub. The machine uses the bearing races in the hub to center itself in the lathe to make a cut perpendicular the bearing races. It is also possible that even a brand new rotor will slightly warp when torquing it to the hub. I've always put a finish cut on new rotors after assembly just to be safe.