Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation

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
+ injection System
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrosystem
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
- Heating and ventilation
   Heating and ventilation check
   Heater fan
   Replacement of the dustproof filter
   Heating and ventilation drive
   List of malfunctions
+ body Elements
+ Search of malfunctions
+ Specifications

Heating and ventilation

External air arrives between a cowl and a windshield and is forced in salon by a running stream, or, in addition, the salon fan. If the car is equipped with the dustproof filter, arriving air is cleared 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 warm cooling liquid from the engine. If heating is not included, arriving air is included into salon on other way, bypassing the heat exchanger.