By pressing the lock of the block, disconnect the block of wires from the brake fluid level sensor.
After unscrewing the tank cap, remove it and use a rubber pear to select the liquid from the tank.
Using sliding pliers, we compress the ends of the clamp that fastens the fluid supply hose to the clutch master cylinder and slide the clamp along the hose.
Disconnect the hose from the tank fitting.
With a special "10" wrench for the brake pipe fittings, we unscrew the pipe fittings..
... and remove the tubes from the master brake cylinder.
With the "13" head, we unscrew the two nuts securing the cylinder to the vacuum brake booster..
... and remove the main brake cylinder assembly with the hydraulic reservoir.
You can replace the brake fluid level sensor and the hydraulic reservoir on the car without dismantling the master brake cylinder. For clarity, we show these operations on the removed master brake cylinder.
Remove the sealing ring.
Pry out the brake fluid level sensor with a screwdriver..
... and remove the sensor from the opening of the tank.
Loosen the lock with a screwdriver..
... and moving it, remove the sensor wire block from the tank.
We remove the tank, overcoming the resistance of the rubber connecting bushings.
We squeeze the upper edge of the sleeve with our fingers and remove it from the hole in the master brake cylinder.
Similarly, we take out the other connecting sleeve.
Install the brake master cylinder in reverse order.
Bleeding the hydraulic brake system (see Bleeding hydraulic brake system).