Audi 80/Avant
+ The description
+ Engines
+ System of release of the fulfilled gases
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and воздухозаборные channels
+ Injection system
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
- Brake system
Check of brake mechanisms
Brake liquid
Check of level of a brake liquid
Check of tightness of brake system
Replacement of a brake liquid
Disk brake mechanisms
Measurement of a thickness колодок the disk mechanism
The control of a condition of brake disks
Replacement колодок disk brake mechanisms
The drum-type brake mechanism
Measurement brake колодок the drum-type mechanism
Check of a course of a pedal of a brake
The disk brake mechanism of back wheels
Measurement of a thickness колодок back disk brakes
Check of a free wheeling of the lever of a lay brake
The main brake cylinder
The amplifier of brakes
Check of the amplifier of brakes
Regulator of brake forces
Repair of a hydraulic drive of brakes
Prorolling of brake system
The list of malfunctions
+ Antiblocking system of brakes
+ Wheels and tyres
+ Kuzovnaja electrosystem
+ Ignition system
+ Illumination
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications
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Check of the amplifier of brakes
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- The engine should be muffled.
- To press a pedal of a brake of 10 times.
- To hold a brake pedal now completely squeezed out and to get the engine.
- At the serviceable amplifier of a brake drive the pedal should move a little during this moment. If it does not occur, means, strengthening of a brake drive is faulty.
- Most likely it is necessary to search for malfunction in vacuum system: not tight vacuum hose from an inlet collector to the amplifier of brakes, faulty the return valve in a vacuum hose near the amplifier, a rubber ring between the main brake cylinder and the amplifier or an amplifier membrane.
- For the control of the return valve to disconnect a vacuum hose from the amplifier of brakes.
- The purge, but not всасывание should be possible.
- The return valve can be got only together with a corresponding vacuum hose.
- For replacement of the damaged rubber ring between the main brake cylinder and the amplifier it is necessary to dismantle the cylinder.
- The faulty amplifier of brakes is not subject to repair. To replace.
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Removal of the amplifier of a brake drive
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- To remove the main brake cylinder.
- To remove a vacuum hose.
- To remove a shelf at the left under the instrument panel (has undressed Salon).
- To remove шарнирный a finger in a head of a plug of draught of management of the amplifier of brakes.
- To turn out самоконтрящиеся nuts, fastenings of the amplifier of brakes in car salon.
- Then to remove both nuts of fastening of the amplifier of brakes in a motor compartment.
- To remove the amplifier of brakes through a motor compartment.
- If the new amplifier is established, it is necessary to adjust length of its draught of management the removed condition:
- The distance between the middle of an aperture of a head of a plug and a basic surface with four hairpins should make 271 mm (the admission of 0,5 mm).
- After adjustment thoroughly to tighten a counternut.
- Before installation to grease шарнирный a bolt консистентной with greasing.
- To use only a new clamp for шарнирного a finger and new самоконтрящиеся nuts. To establish a new sealing ring between the amplifier of a brake drive and the main brake cylinder.
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On the main page
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