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

Heating and ventilation

In Audi the system of heating, with an adjustable stream of air is installed. If to turn the regulator of heating to the right, the gate opens a way to an air stream via the heat exchanger. It is a small heating element through which the cooling liquid heated by the engine constantly flows. If heating is switched off, not the stream of hot liquid is blocked, and air streams in salon on other channel, bypassing the heat exchanger.