Audi A4

Since 1994 of release

Repair and car operation


Audi А4
+ Running gear
+ Regular servicing
- Engines
   Capacity steps
   Engine signs
   Technology of the engine, maintenance service and repair
   Greasing system
   Exhaust ventilation картера
   The visual control of the engine
   Engine service life
   Nominal and maximum frequency of turns
   Restriction of number of turns
   Measurement of pressure of compression
   The help at malfunctions
   Hydropushers
   Works on a gear belt
   The help at malfunction
   Installation and dismantle of a head of the block of cylinders
   Installation and engine dismantle
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ 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 malfunction

Lining of a head of the block of cylinders

Identification sign
The reasons/features
A.Uroven of a cooling liquid constantly slowly falls The cooling liquid in very small quantities gets to combustion chambers. This phenomenon without presence of other signs can proceed long time. Other possibility: not tight system of cooling
V.Za the car at working temperature lasts a loop of a white smoke, considerable loss of a cooling liquid The cooling liquid in a significant amount gets into the combustion chamber, evaporates there and leaves through an exhaust system in the form of a white loop
S.Pri the working engine from an open broad tank vials of air rise or at opening of a locking cover raging the raised quantity of a cooling liquid pours out The fulfilled gases are wrung out in cooling system. From a radiator aperture smells as the fulfilled gases
D. The surface of a cooling liquid is poured by all colours of a rainbow or painted in black colour Oil from greasing system gets to cooling system
E. Grey or brown by sight эмульсия on taken out probeе for measurement of level of oil, or oil is penetrated by liquid vials The cooling liquid has got into greasing system. Attention: water in engine oil can damage bearings. At once replace a lining of a head of the block of cylinders. Any more do not start the engine! Send the car in repair