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
+ Signalling 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
+ body Elements
+ Search of malfunctions
+ Specifications

Check of heating and ventilation


  1. To turn clockwise the left regulator of the switch for access of air and ventilation: air access opens, the fan turns on.
  2. The average rotary regulator changes air temperature: heating capacity increases or decreases.
  3. To put the right rotary regulator under symbols of a scale and to check an air stream through a ventilating grate.