This bulletin is to provide information about some brake noise characteristics heard during normal operation. Please utilize this bulletin when explaining brake noises to eliminate concerns and reduce unnecessary component replacement. It should be considered normal for the brake system to have some noise during normal operation. This is most common with disk brake systems and will happen from time to time. It is caused by friction when the pads are stopping the brake disc from rotating. The definition of brake noise can be different case by case, driver to driver and situation to situation. Noise can be defined as an unpleasant sound and the severity is usually affected by the sensitivity of the

download