Brake Squeal

Some articles on brake squeal, squeal, brakes, brake:

Disc Brake - Brake Squeal
... Sometimes a loud noise or high pitched squeal occurs when the brakes are applied ... Most brake squeal is produced by vibration (resonance instability) of the brake components, especially the pads and discs (known as force-coupled excitation) ... This type of squeal should not negatively affect brake stopping performance ...