We prepare the car and drain the brake fluid from the system

How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519 How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519

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

How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519

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

How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519

We remove the cylinder together with the tank

A washer is installed between the cylinder and the vacuum booster

How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519

Pulling, we remove the tank from the cylinder

We pry with a screwdriver and remove the rubber sealing gaskets of the tank

How to replace the main cylinder of brakes UAZ-3151, -31512, -31514, -31519

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