We prepare the car and drain the brake fluid from the system
Disconnect the wiring block from the brake fluid level drop sensor
Unscrew and remove the lid of the tank with the sensor
We pump out the brake fluid from the tank with a rubber bag or syringe
Unscrew the fittings of the two brake tubes with a key for 12 and remove the tubes from the cylinder
With the key on 17, unscrew the two nuts of the cylinder attachment to the vacuum amplifier
One nut secures the tip of the "mass" wire
We remove the cylinder together with the tank
A washer is installed between the cylinder and the vacuum booster
Pulling, we remove the tank from the cylinder
We pry with a screwdriver and remove the rubber sealing gaskets of the tank
Unscrew the fittings of two tubes with a key for 17
Rearrange the removed parts on a new cylinder and install it in reverse order
Pumping the brake system