Audi A3

Since 1997 of release

Repair and car operation

Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
- Brake system
   Replacement of lobbies brake колодок
   Removal and installation of disk brake mechanisms of back wheels
   Check of a thickness of a brake disk
   Removal and installation of a brake disk/support
   Adjustment of a lay brake
   Brake liquid
   Removal of air from brake system
   Removal and installation of a brake hose
   Check of the amplifier of a brake
   Removal, installation and adjustment of the switch of a stoplight
   Removal and installation of the lever and cable of a lay brake
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes

Check of the amplifier of a brake


The brake amplifier it is necessary to check up, if for achievement of sufficient effort of braking the appendix of very big effort to a pedal is required.

1. Press a brake pedal at the standing car not less than 5 times. Then at the pressed pedal start the engine. Now the pedal should be felt under a foot.
2. Otherwise disconnect a vacuum hose at the amplifier of a brake and start the engine. Put a finger to the end of a vacuum hose and check up, whether there is a vacuum.
3. If the vacuum is not present: Check up tightness of a hose. If necessary replace it. Tighten fastenings of all collars.
4. If the vacuum is available: Measure value of vacuum. If necessary replace the amplifier (work HUNDRED).

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