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 check


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