Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



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 the cooling system on tightness
   Radiator
   Carving cover of a broad tank
   Thermostat
   List of malfunctions
   Water pump
   Maple belt of the water pump
   Cooling system fan
   Malfunctions of the fan of the cooling system
   List of malfunctions
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





List of malfunctions

Cooling system

 Malfunction
Reason
How to help
A. The indicator of temperature costs at an emphasis on the right, the control bulb blinks 1. Only the 4-cylinder engine: The belt is too poorly tense or torn by Klinova
2. It is not enough liquid in the cooling system
3. A wire to temperature indicator законтактирован with a weight
4. The thermostat does not open access to cold water from a radiator (a radiator cold)
5. The cooling system fan does not turn on
6. The safety valve of a carving cover is faulty
7. The indicator voltage stabilizer is faulty
8. The hammered radiator lamels
To check a tension of a maple belt or to replace it
To add
To disconnect a wire of the sensor of temperature, the arrow has to return back, or the red bulb has to go out, otherwise there was a short circuit on the case; to check passing of wires
To remove the thermostat and to continue the movement without it or to call the tow truck
To check (in a workshop) a cover, if necessary to replace
To replace
To clean a radiator
B. The indicator of temperature reacts very slowly, weak heating capacity The thermostat is not closed completely, the warmed-up cooling liquid too early passes through a radiator To clean the thermostat, if necessary to replace
The indicator of temperature remains in the lower range, good heating capacity 1. See A72 the Sensor of the indicator of temperature is faulty To replace







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