Audi A4, S4

since 2000 release

Repair and operation of the car


Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
- Brake system
   Specifications
   Removal of air from brake system
   Removal and installation of front brake shoes
   Removal and installation of blocks of brake mechanisms of back wheels
   Check of thickness of a brake disk
   Removal and installation of a brake disk / support
   Adjustment of the parking brake
   Removal and installation of the switch of a stoplight
   Removal and installation of a brake hose
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





Removal and installation of a brake hose

Follow the rules of the treatment of brake fluid described in the Section Replacement of Brake Fluid.

Pipelines of brake system carry out communication of the main brake cylinder with four wheel cylinders. Communication between rigid and mobile parts of brake system, for example, between supports is carried out by flexible hoses of a high pressure. In the presence of visible damages the last have to be replaced.

Do not allow contact of brake hoses with oil or fuel, do not paint them and do not cover with means for protection of the bottom of the car against corrosion.

The remark on security measures

If one of chambers of the tank of brake fluid is completely emptied (for example, with leakage in brake system or if during removal of air forgot to add liquid in the tank), in system air which gets to the pump ABS is sucked in. Air from brake system in this case has to be removed on HUNDRED with use of the special device.