Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation



Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
- Cooling system
   Check of level of cooling liquid
   Frost resistance check
   Check of system of cooling on tightness
   Radiator
   Carving cover of a broad tank
   Thermostat
   List of malfunctions
   Water pump
   Maple belt of the water pump
   Fan of system of cooling
   Malfunctions of the fan of system of cooling
   List of malfunctions
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ injection System
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrosystem
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications





Maple 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 a maple belt and by that without the water pump! Otherwise the most serious damages of the engine are possible.

Cold water is heavier, than hot, and therefore 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 detail a maple belt it is written in the section Generator.