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Audi A4since 1994 releaseManual of the car |
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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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Antifreeze check For check of frost resistance of cooling liquid you need the areometer. With its help the specific weight of liquid is measured. Due to different addition of anticorrosive means the specific weight of separate types of antifreeze can be a miscellaneous. For carrying out absolutely exact measurement you need the areometer which is adjusted on the filled-in antifreeze. In a doubtful case subtract the admission in 2–3 °C from the received size.
Regulation of concentration of antifreeze Most often it becomes clear that concentration of antifreeze already insufficient. In this case it is necessary to add antifreeze; about about 1/2 l on 10 °C of increase of protection against freezing.
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