Audi 80/Avant (B4)

Since 1991-1995 of release

Repair and car operation



Audi 80/Avant
+ The description
+ Engines
+ System of release of the fulfilled gases
- Cooling system
   Check of level of a cooling liquid
   Frost resistance check
   Check of system of cooling on tightness
   Radiator
   Carving cover of a broad tank
   The thermostat
   The list of malfunctions
   The water pump
   Klinovoj belt of the water pump
   The fan of system of cooling
   Malfunctions of the fan of system of cooling
   The list of malfunctions
+ Fuel tank and the fuel pump
+ The air filter and воздухозаборные channels
+ Injection system
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Antiblocking system of brakes
+ Wheels and tyres
+ Kuzovnaja electrosystem
+ Ignition system
+ Illumination
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications


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Klinovoj belt of the water pump

The drive of the water pump 5 and the 6-cylinder engine is provided with a gear belt – here can get off nothing. On another on models with the 4-cylinder engine: this engine cannot be maintained without клинового a belt and by that without the water pump! Otherwise the most serious damages of the engine are possible.

Cold water is heavier, than hot that is why it can slowly circulate on the engine and a radiator and without the water pump. However this thermosiphon cooling, modern engines have not enough. In more details клиновом a belt it is written in section the Generator.