Audi A4

since 1994 of release

Repair and car operation



A4 Audi
+ Running gear
+ Regular servicing
- Engines
   Capacity steps
   Engine signs
   Technology of the engine, maintenance and repair
   Greasing system
   Exhaust ventilation of a case
   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 fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





The help at malfunction

Laying of a head of the block of cylinders

Identification sign
Reasons/features
A.Uroven of cooling liquid constantly slowly falls Cooling liquid in very small quantities gets to combustion chambers. This phenomenon without existence of other signs can proceed a 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 cooling liquid 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 rise vials of air or when opening a locking cover raging the increased amount of cooling liquid pours out Exhaust gases are wrung out in cooling system. From an opening of a radiator smells as exhaust gases
D. The surface of cooling liquid is poured by all flowers of a rainbow or is painted in black color Oil from system of greasing gets to cooling system
E. Gray or brown by sight an emulsion on taken out щупе for measurement of level of oil, or oil is penetrated by liquid vials Cooling liquid got into greasing system. Attention: water in engine oil can damage bearings. At once replace laying of a head of the block of cylinders. Any more do not start the engine! Send the car in repair