Thermal Expansion
This situation is the normal "growing" of the cast iron rotor as the temperature rising due to the heat created by the friction from the bake pads on the rotor during application. The expansion can be in any area of the metal.
This situation is the normal "growing" of the cast iron rotor as the temperature rising due to the heat created by the friction from the bake pads on the rotor during application. The expansion can be in any area of the metal.