The recommended frequency: each 24 000 km of a run or 12 months.
During the work of brake shoes brake dust which contains asbestos, unhealthy therefore when cleaning brake shoes do not use compressed air is formed and do not inhale dust.
For cleaning of brake mechanisms use only a special cleaner of brakes.
In addition to the established intervals it is necessary to check brakes at each removal of a wheel or at suspicion for existence of defects.
The main signs of malfunctions of brakes are:
– withdrawal of the car in one party at intensive braking;
– the increased brake way;
– the strong squealing sound when braking;
– leak of brake fluid, usually on an internal part of the tire or a wheel.
Brake shoes of disk brakes have the built-in indicators of wear which at extreme wear of brake shoes make the squealing or foreign (scratching) sound when braking. In this case immediately replace brake shoes, otherwise the brake disk will be damaged.