Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



Audi 80/Avant
+ Technical specification
+ Engines
+ 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
   Check of heating and ventilation
   Heater fan
   Replacement of the dustproof filter
   Drive of heating and ventilation
   List of malfunctions
   Conditioner
+ Body elements
+ Search of malfunctions
+ Specifications





Heating and ventilation

External air arrives between a cowl and a windshield and is forced in salon by the running stream, or, in addition, the fan of salon. If the car is equipped with the dustproof filter, then the arriving air is purified before receipt in the supercharger. At heating inclusion the valve opens a way via the heat exchanger, a small heating element on which there passes heated cooling liquid from the engine. If heating is not included, then the arriving air is included into salon on other way, bypassing the heat exchanger.








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