Trouble Shooting Brake Rotor Problems
Description of the defect: Disc thickness is considerably less than the recommended minimum of thickness(4mm less in total). Cracks are evident. Heat spots are visible in areas corresponding to the ventilation blades. This is advanced warning that other cracks will form.
Consequences: Noises, vibrations.
Advice: This situation is typical of that found on certain sports vehicles which are subjected to an intensive and excessive use on the road.