Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



Audi 80/Avant
+ Technical specification
- Engines
   Basic elements
   Lubrication system
   Ventilation of a case
   Visual check of the engine
   Running in of the new engine
   Engine service life
   Nominal and maximum frequency of rotation
   Restriction of frequency of rotation
   Measurement of pressure of compression
   List of malfunctions
   Provorachivaniye of the engine
   Hydraulic pushers
   Works on the GRM gear belt
   List of malfunctions
   Removal and installation of a head of the block of cylinders
   Removal and installation of the engine
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Ventilation of a case

Even the serviceable engine throws out through piston rings in a case 50–70 l of the fulfilled gases a minute. This pressure has to leave an engine case not to overload sealing laying. It occurs by means of ventilation of a case. Poisonous gases from engine interiors for environment protection come back once again to inlet channels or to the case of the air filter. From there they for full combustion are once again soaked up by the engine.

 Hint: if in ventilation of a case the engine throws out a noticeable smell of oil, it speaks about considerable wear of pistons and cylinders.








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