In the case of depressurization of the vacuum amplifier on the Aodi of the fourth generation, there may be a distinctive hissing and a problem with the idling speed due to the pump air.
The vacuum-wise is quite simple-you need to cut out four nuts. The inverse setup is more complex, due to the difficulty of rounding off the top left nut. You need to live it with your left hand, and roll it with a flexible sparkle.
The repairs are not a big problem. The washings and washings shall be carried out with a screwdriver and a hammer. The problem of sealing is usually the wear of the compaction rings and is corrected by replacing them. In case of reverse installation, it is important to make sure that the fourth "troubled" nut is used, or the compaction ring will be unserviceable again.
