You will need: key «on 10», flat and Phillips screwdrivers.
1. Remove the windshield frame trims (see «Removal and installation of overlays of a frame of a windscreen»).
2. Remove the noise-proof upholstery of the engine compartment (see «Removal and installation of a noise-insulating upholstery of a motor compartment»).
3. Remove the tank cover with the level sensor float.
4. Pump out the brake fluid from the tank with a rubber bulb or syringe.
5. Remove the tank latches...
6.... pry off the reservoir with a screwdriver and remove it from the master brake cylinder.
7. Examine rubber plugs of fastening of a tank. Replace torn, cracked or loose bushings.
Note. This is how the brake master cylinder reservoir removed from the car looks like.
8. Establish a tank in sequence, return to removal.