Audi A4

Since 1994 of release

Repair and car operation

Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
- Cooling system
   So there is a cooling
   Check of level of a cooling liquid
   Antifreeze check
   Check of system of cooling on tightness
   Radiator
   Zapornaja cover of system of cooling
   The thermostat
   The help at malfunctions
   The water pump
   Klinovoj belt of the water pump
   Various models of fans
   The vjazkostnyj fan
   The fan of a radiator with the electric drive
   Infringements in work of the fan of a radiator
   The help at malfunctions
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics

The help at malfunctions

Cooling system

Malfunction	Its reasons	Your help
A.Strelka of the temperature indicator is rejected to a limit to the right, the red alarm bulb blinks	1. Only with the four-cylinder engine: клиновой a belt will stretch or has torn 2. In system of cooling of not enough cooling liquid 3. A wire of the indicator of temperature will close on "weight" 4. The thermostat does not open inflow of a cold liquid from a radiator (a radiator cold) 5. The radiator fan do not join 6. The elevated pressure safety valve in запорной to a cover is faulty 7. The indicator voltage stabilizer is faulty 8. Radiator plates are corked	Replace клиновой a belt Add Disconnect a wire of the gauge of temperature, the arrow should return to a starting position and the red bulb to go out, otherwise – short circuit on "weight"; check up a wire on all length Dismantle the thermostat and continue a trip without it or tow off the car Check up a cover if it is necessary, replace Replace Clean radiator plates
Century the Slowed down reaction of the indicator of temperature, weak capacity of heating	The thermostat is closed not completely, нагретая the cooling liquid too early proceeds through a radiator	Clean the thermostat if it is necessary, replace