What Does It Mean When Your Brakes Screech. As the pads wear down the squealer rubs against the rotor making a high pitched noise to indicate that it is time for a brake job you can see a squealer attached to that brake pad pictured above. Cheaper brake pads tend to have a higher metal contentThe result of this is larger pieces of metal on the brake pad surface.
It means that you have reached the recommended wear limit and should take your car to a repair centre to have your pads swapped for new ones. And usually its due to excessive spray during chain movement. The caliper clamps squeeze the brake pads when you put your foot on the brakes.
As mentioned most brake pads are fitted with a wear indicator which will start producing a squealing sound when your brake pads are getting thin enough to require changing.
High Metal Content of Brake Pads. Most likely you bent the tin plate when doing the brake job. There are multiple types of brake pads and one of the types semi-metallic brake pads is known for producing an occasional squeaking noise. All Makes Models.
