The brake pressure regulator housing has a control hole closed with a plug. Brake fluid leakage from the hole indicates that the brake pressure regulator cuffs are not tight and need to be replaced.
Brake pressure regulator device in rear brake mechanisms: 1 - earring for fastening the elastic lever to the rear axle; 2 - elastic lever retainer in the earring; 3 - elastic lever; 4 - regulator mounting bracket; 5 - protrusion of the plate adjustment bracket; 6 - bolt (front) for fastening the regulator and adjusting plate; 7 - plate adjustment bracket; 8 - plate; 9 - lever; 10 - regulator; 11 - inspection hole closed with a plug; 12 - arrow on the regulator body indicating the direction of liquid flow in the connected tube
The text is copied from the online resource: VAZBOOK.ru