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
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The help at malfunctions

Malfunction
Its reasons
Your help
A.Tormoza delay one party 1. Pressure in tyres the unequal
2. Protector drawing is erased non-uniformly
3. Are polluted, "have glazed over" or overlays are non-uniformly erased
4. Directing overlays in a brake support are polluted or have rusted
5. Приржавели pistons in brake supports or in wheel brake cylinders
6. Brake disks are strongly scratched or too thin
7. Brake hoses have inflated from within
Level at cold tyres
Change tyres
Replace

Clean

Restore a free wheeling or replace

Replace brake disks

Replace hoses

V.Tormoza squeal 1. Those overlays are established not
2. A dust or a dirt on disk brakes or in drum-type brakes
3. See And 4–6
Establish original overlays
Dismantle overlays (Pads), remove a dust and a dirt
With S.Tormoza roar 1. In a brake disk a dent
2. The brake disk is strongly scratched
Replace
Replace
D. One or all brakes of wheels strongly heat up 1. The compensating aperture in the main brake cylinder has got littered
2. There is no backlash between a brake pedal (press a rod) and pistons of the main brake cylinder
3. Brake supports have rusted
4. The manual brake is not completely disconnected
Clean

Adjust


Repair in a workshop
Check up brake cables and brakes of back wheels

E.Slishkom the big reserve of a course of a pedal, a pedal is wrung out softly and springs

1. Air in brake system
2. Brake system негерметична
3. The main brake cylinder is faulty
4. At strong loading on brakes steam vials in too old brake liquid are formed
5. See And 5
Pump over brake system
Inspect system on tightness
Replace
Replace a brake liquid
F. Bad effect of braking by strong pressing a pedal 1. A normal free wheeling of a pedal: were made oily or «застекленели» overlays
2. A short free wheeling of a pedal: the brake amplifier is faulty
3. A long free wheeling of a pedal: one brake contour owing to tightness infringement has failed
Replace

Check up

Check up, replace the damaged details

G. Unilateral or weak brake effect of a manual brake 1. Points see in And
2. The brake cable has rusted
3. The adjusting mechanism is faulty
Replace
Check up