Audi A4

since 1994 release

Repair and operation of the car

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
- Brakes
   Independent work on brake system
   So the brake system works
   Check of brakes
   Brake fluid
   Check of level of brake fluid
   Check of brake system on tightness and existence of damages
   Replacement of brake fluid
   Disk brakes
   Measurement of 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
   Emergency brake
   Check of idling of the lever of the emergency brake
   Main brake cylinder
   Brake amplifier
   Check of the brake amplifier
   Works on hydraulics of brake system
   Pumping 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)
   Violations in work of ABS system
   Electronic blocking of differential (EDS)
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Check of brakes

Constant control


  1. In the beginning check full braking for the pedestrian's speeds.
  2. In the wake of rubber prints on the road, including in the presence of ABS, you will see, whether equally hold brakes.
  3. Carry out the same inspection of the emergency brake.
  4. For carrying out check of brakes at higher speeds you need the equal road.
  5. At a speed about 50 km/h with the released wheel, but with hands on call, in the beginning it is soft, and then sharply slow down the car to a full stop.
  6. By strong pressing a pedal you will feel a pulsation of system of anti-blocking.
  7. If the car pulls aside, something not as it should be in brakes, in ABS or in a running gear. It is possible to learn about the possible reasons at the end of the head in the section Help at malfunctions.
  8. Let's Audi slide from a small bias to establish, whether the easy course at wheels.
  9. After a trial trip carry out an inspection 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.