Audi A4

since 1994 of release

Repair and car operation

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
- Cooling system
   So there is a cooling
   Check of level of cooling liquid
   Antifreeze check
   Check of system of cooling on tightness
   Locking cover of system of cooling
   The help at malfunctions
   Water pump
   Maple belt of the water pump
   Various models of fans
   Vyazkostny 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 absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Tor onion list подробно.


Simply speaking, the thermostat is intended to define, whether it is necessary to cool liquid in a radiator or not, i.e. it «makes the decision» on, whether cooling liquid on "small" or on a "big" circle about what it was already told at the beginning of head should to circulate.

The thermostat regulates a stream of cooling liquid depending on its temperature. While the temperature of cooling liquid raises, the thermostat increases a stream of cold liquid from a radiator. On the contrary, if the working temperature falls, the thermostat spring again wrings out a klapanny plate in situation «Zu») "is closed" (German and, thus, blocks inflow of the cooled-down cooling liquid until the operational temperature again will not rise.