Press a brake pedal several times at the idle engine to create the identical pressure close to atmospheric pressure in cavities of the vacuum amplifier.
Press a brake pedal prior to the beginning of notable resistance and measure distance which there passed the brake pedal (
). The free wheeling of a pedal of a brake has to be in limits of 1-6 mm.
If the free wheeling of a pedal of a brake differs from the required value, check distance And (see
) between a carving part of the case of the switch and the limiter of the course of a pedal of a brake.