Brake amplifier test procedure at Adi 100 4th generation: We press the brake pedal 10 times. Hold the pedal down and start the engine. If the amplifier is, then the pedal must rise a little. If this is not the case, we are looking for a possible malfunction. Check the vacuum hose from the intake manifold to the amplifier. Check the vacuum shut-off valve, but not suction, but not suction. Remove the amplifier and check the integrity of the rubber ring.
- Shut the engine off.
- Press the brake pedal 10 times.
- Hold the pedal down, start the engine. If the amplifier is, then the pedal must rise a little.
- If this doesn't happen, we're looking for a possible malfunction.
- Verifying the leakproofness of the vacuum hose from the intake manifold to the amplifier.
- Checking the non-return valve in vacuum-it shall be designed to produce a flushing but not suction.
- Remove the amplifier and check the integrity of the rubber ring.
