Audi A4

since 1994 release

Manual of the car



Audi A4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
- Cooling system
   So there is a cooling
   Check of level of cooling liquid
   Antifreeze check
   Check of the cooling system on tightness
   Radiator
   Locking cover of the cooling system
   Thermostat
   The help at malfunctions
   Water pump
   Maple belt of the water pump
   Various models of fans
   Viscous fan
   The radiator fan with the electric drive
   Violations in operation of the fan of a radiator
   The help at malfunctions
+ 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
+ Body details
+ Salon
Search of malfunctions
Technical characteristics


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Various models of fans

The radiator fan – if it sufficiently is not supplied with a stream of counter air – has to create a constant stream of air in radiator plates. Air absorbs the warmth given by a radiator. The more passes air through plates, the heat is taken away better.

On Audi A4 the serial so-called viscous fan is put. Cars only with "the strengthened cooling" (for example, with the automatic transmission, coupling of the trailer, climatic installation) can be supplied with one additional or two, is exclusive with the electric drive, radiator fans.