The thickness of the friction material on the disc brake shoe should not be less than 2 mm and the thickness of the friction material on the drum brake shoe should not be less than 1.5 mm. Actual measurements show that the brake shoe wear and peel faster before or after 1.5 mm. Brake shoe brake disc brake thickness can be used to check the brake plate, and drum brake shoe brake shoe thickness check, you must brake off from the brake to be picked up;

Replace the brake shoes should be left and right round of replacement at the same time; when the brake shoe oil contamination, need to be replaced; installed warning lights in the vehicle, when the friction material thickness is less than 3.5 mm, the light will be bright.