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 of a thickness колодок the disk mechanism

Brake Pads the disk mechanisms, having enough big size for forward wheels, maintain to 50 000 km. Despite it, it is not necessary to forget about regular visual check:


    The minimum thickness колодок should make 2 mm without a bearing plate. Actually bearing plate – that is a metal piece on which the overlay is pasted – has a thickness about 5 mm. At performance of the fluent control it is enough to light at the removed cap a lamp through an aperture in a wheel and to estimate a thickness of an overlay. More exact control is spent at the removed wheel: to put a ruler to колодке and to measure, as is shown in the top illustration. Do not forget to examine a frictional overlay on an inside!

Measurement of a thickness колодок the brake mechanism of forward wheels:

1 – an overlay material;
2 – a metal bearing plate.