Audi 80/Avant (B4)

Since 1991-1995 of release

Repair and car operation

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


Measurement brake колодок the drum-type mechanism

The viewing aperture for the control of a thickness of overlays of the back drum-type brake mechanism is located in a guard of the drum-type brake mechanism in front in a movement direction. At the removed cover are visible brake колодка (1) with the frictional brake overlay pasted on it (2). Also the brake drum (3) is visible.

As active колодка wears out faster back passive, it is necessary to measure a thickness on a lobby колодке.


    To lift the car behind. To remove a plastic cap on an inside of a corresponding wheel in front on a guard of the drum-type brake mechanism. To light a pocket small lamp in a viewing aperture, to establish a thickness Pads. Deterioration колодок is admissible to 2,5 mm of a residual thickness – without a thickness of the carrier. Otherwise they are necessary for changing.