Car brake system is safety both driver and the passengers of the car. Therefore, any disruption of this system can not but cause concern of the motorist. Extraneous sounds of the brake pads: squeaking, humming, whistling is often alarming to the owner of the car and forced to find out the cause of these sounds. Fraught with any serious consequences of the appearance of hum or other sounds in the brake pads and what these sounds might be caused?

The brake pad material

The automotive market today offers a wide range of consumables and spare parts, both original and their analogues. Sometimes occur among peers, or forgery, or parts of low quality material. Violations in manufacturing technology, changes in the components of the composition of the material, the lack of compatibility of material of brake pads and brake disc can lead to extraneous sounds.

Brake pad wear

On most brake pads are equipped with a special clamping of the metal plate, is intended to indicate pad wear. If under braking there is a strange sound, it is possible that the pads already are worn out and need replacement. It is recommended not to proceed with the replacement, because worn pads can damage the brake discs. With uneven wear of the brake pads buzz can be caused by occur because a small misalignment vibration between the pad and brake disc. This problem is treated with replacement pads and it is desired to properly lubricate the caliper pins with graphite grease.

Form of brake pads

The base of brake pads for each model of car can have its characteristic shape. Incorrectly chosen form of pads and the inadequacy of its brake disc are often the cause of extraneous sounds. In addition, will not damage thoroughly inspect all brake parts: accidental contact during the movement in them of foreign objects – stones, sand, debris can also cause the vibration, buzzing and other disturbing sounds.

Wrong with the pads

From time to time motorists notice the peculiarity of brake pads: for small speeds new petersiana pads may not fully wrung from the brake disks, especially if the disks are already worn out and have bumps around the circumference. Usually, over time, the pads are aligned to the disc and the extraneous sounds disappear.