Audi A4

since 1994 of release

Repair and car operation

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ 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 liquid
   Check of level of brake liquid
   Check of brake system on tightness and existence of damages
   Replacement of brake liquid
   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
   Hand brake
   Check of idling of the lever of the hand 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 ABS system work
   Electronic blocking of differential (EDS)
+ Wheels and tires
+ Electrotechnical equipment
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Check of brakes

Continuous control


    In the beginning check complete braking for speed of the pedestrian. In the wake of rubber prints on the road, including in the presence of ABS, you will see, whether equally hold brakes. Carry out the same check of the hand brake. For carrying out check of brakes on higher speeds the equal road is necessary to you. For 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. By strong pressing a pedal you will feel a pulsation of system of anti-blocking. If the car pulls aside, something not as it should be in brakes, in ABS or in a running gear. About the possible reasons it is possible to learn at the end of head in the section Help at malfunctions. Let's Audi roll down from a small bias to establish, whether an easy course at wheels. After a trial trip inspect a hand: The rim on one party of the car is warmer, than on other party? The reason can consist in the jammed brake support or in defective wheel bearings.