Audi A4

Since 1994 of release

Repair and car operation

Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
- Brakes
   Independent work on brake system
   So the brake system works
   Check of brakes
   Brake liquid
   Check of level of a brake liquid
   Check of brake system on tightness and presence of damages
   Replacement of a brake liquid
   Disk brakes
   Measurement of a thickness of overlays of forward disk brakes
   Check of a condition of brake disks
   Replacement of overlays of disk brakes
   Back disk brakes
   Measurement of overlays of back disk brakes
   Manual brake
   Check of idling of the lever of a manual brake
   The main brake cylinder
   The brake amplifier
   Check of the brake amplifier
   Works on hydraulics of brake system
   Prorolling of brake system
   The help at malfunctions
   ABS and EDS
   What does ABS?
   Function of separate knots
   Electronic system of distribution of brake effort (EBV)
   Infringements in system ABS work
   Electronic blocking of differential (EDS)
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics

Check of brakes

The constant control


  1. In the beginning check up full braking for speed of the pedestrian.
  2. In the wake of rubber prints on road, including in the presence of ABS, you will see, whether equally hold brakes.
  3. Spend the same check of a manual brake.
  4. For carrying out of check of brakes on higher speeds the equal road is necessary to you.
  5. For the speed about 50 km/h with the released wheel, but with hands on call, in the beginning it is soft, and then sharply brake the car to a full stop.
  6. By strong pressing a pedal you will feel a pulsation of system of antiblocking.
  7. If the car pulls aside something is not perfectly in order in brakes, in ABS or in a running gear. About the possible reasons it is possible to learn in the end of the head in section the Help at malfunctions.
  8. Allow Audi to roll down from a small bias to establish, whether an easy course at wheels.
  9. After a trial trip inspect a hand:
  10. The rim on one party of the car is warmer, than on other party?
  11. The reason can consist in the jammed brake support or in defective wheel bearings.