Audi A4

since 1994 release

Repair and operation of the car

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
- Heating and ventilation
   Check of heating and ventilation
   Supercharger of air
   Replacement of the dustproof filter
   Module of manual control by heating/ventilation
   Search of malfunctions
   Climatic installation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Check of heating and ventilation


  1. At the left slowly turn the rotary regulator of air supply and the supercharger from left to right: air supply is open, the supercharger increases the speed on four steps.
  2. Turn the rotary regulator in the middle for installation of power of heating to the right: power of heating increases. Air supply is carried out via the heat exchanger.
  3. Turn the regulator to the left: power of heating decreases. The stream of air bypasses the heat exchanger.
  4. Serially put the rotary regulator on the right serving for distribution of a stream of air under symbols on a scale: the lever shifted from left to right causes air supply: a) from snuffled in the middle of a control panel, c) from snuffled in feet or c) from snuffled a heater under a windshield.
  5. In position of the regulator in) and c) a certain amount of air arrives in addition from averages snuffled if they are not closed by rollers with a nakatka.