“Why do my brakes squeal” is a question customers have asked since cars were invented. Hopefully, we can help answer that question. Brake Noise is common on vehicles. Slight vibrations in the brake pads can make a high pitch Brake Squeal, especially when the brakes are cold. Brake Pad manufacturers have added many features to help reduce Brake Noise. Anti-rattle clips, shims, and new brake surface material are just a few. The Brake Rotors can get overheated and develop a glaze on the surface. The Brake Rotor can be machined in order to get a clean smooth surface and reduce Brake Noise.