Brake shoes make noises under certain circumstances. When brake shoes rub against brake drums or brake discs, they may make squeaking, rattling, or whining noises. These noises are usually caused by the following reasons:
Brake shoe wear: When the brake shoe is worn to a certain extent and comes into direct contact with the brake drum or brake disc, the friction between the metals will produce a squeaking sound. If the brake shoe is severely worn, the warning light may light up when it reaches a certain limit.
Foreign matter friction: If there are foreign matter such as sand, metal chips, etc. between the brake shoe and the brake disc, there will be a squeaking or rattling sound when rubbing. Cleaning these foreign matter can solve this problem.
Water effect: When the brake shoe and brake disc are flooded, they will make a whining sound when rubbing. After multiple brake applications, the water will be squeezed out and the sound will disappear.
Installation problem: If the brake shoe is not installed properly or the model does not match, it may also cause abnormal noise. It is key to ensure that the brake shoe is installed correctly and choose the right model.
ABS system activation: During emergency braking, the normal activation of the ABS system will cause continuous sound from the brake pedal, which is normal.