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Brake Rotors

Q: Do brake rotors need to be replaced when replacing the brake pads?

A: Not always. Brake rotors can usually be refinished using a brake lathe. This refinishing process is sometimes called turning the rotors. The technician will measure the thickness of the rotor using a micrometer and determine if the rotor can be refinished. Auto manufacturers list the minimum allowable rotor thickness for each vehicle model. If the rotors are excessively warped or worn to the extent that they cannot be turned, then they must be replaced.