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Audi A4since 1994 releaseRepair and operation of the car |
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A4 Audi + 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 |
The radiator fan with the electric drive In Audi A4 the fan with the electric drive is put only in the presence of the strengthened cooling (an automatic transmission, the towing device in a factory complete set, climatic installation), it joins only in case of need. The two-level fan of a radiator with the electric drive In some Audi A4 versions there is a two-level fan of a radiator with the electric drive which thanks to existence of two steps of inclusion can react to temperature increase of cooling liquid more individually. It is possible thanks to a two-level thermoswitch which includes the second way of current to the fan via other relay in a nest 3 in "a vosmishtyrkovy support of the relay" and additional resistance. Temperatures of switching of a thermoswitch of a radiator
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