Why The Brake Pads Have Gullys and Uneveness Surface?
The reasons for the gully or unevenness of the brake pads are as follows: the original brake disc has been Gully or uneven; if this happens after the new brake disc is used In other words, the hardness of the raw materials of the brake pads is not uniform.
The surface of the brake disc and the brake lining is uneven; the surface of the brake disc has a hard spot The gully that causes the brake pads to appear. The effect is to shorten the brake pads, The service life produces noise. The solution is to replace the new brake disc or system, Replace the brake pads while moving the drum.