8.5. Master cylinder with reservoir: A - gap; 1 – master cylinder body; 2 – low pressure sealing ring; 3 – piston drive circuit left front – right rear brake; 4 – spacer ring; 5 – high pressure sealing ring; 6 – sealing ring pressure spring; 7 – spring plate; 8 – piston return spring; 9 – washer; 10 – locking screw; 11 – piston of the drive circuit right front – left rear brake; 12 – connecting sleeve; 13 – tank; 14 – brake fluid emergency level sensor