Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car


Audi 80/Avant
+ Technical specification
- Engines
   Basic elements
   Lubrication system
   Ventilation of a case
   Visual check of the engine
   Running in of the new engine
   Engine service life
   Nominal and maximum frequency of rotation
   Restriction of frequency of rotation
   Measurement of pressure of compression
   List of malfunctions
   Provorachivaniye of the engine
   Hydraulic pushers
   Works on the GRM gear belt
   List of malfunctions
   Removal and installation of a head of the block of cylinders
   Removal and installation of the engine
+ System of production of the fulfilled gases
+ Cooling system
+ 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
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications




List of malfunctions

Laying of a head of the block of cylinders

 Malfunction signs
Reasons/features
And the Level of cooling liquid constantly decreases Cooling liquid in very small amounts gets to combustion chambers. It can be played a long time without emergence of other symptoms. Other reason: leakage of the cooling system
In At a working temperature the white loop, high loss of water tries to keep step with the car Cooling liquid in large numbers gets to combustion chambers, evaporates there and leaves as a white loop through an exhaust pipe
With the open compensation tank at the working engine leaves vials of air or when opening a cover there is rather large amount of cooling liquid The fulfilled gases get to the cooling system. From an opening of a compensation tank smells as exhaust gases
The sparkling in all flowers of a rainbow or black film appears D On a surface of cooling liquid Oil from the engine lubrication system gets to the cooling system
E On the extended control index of level of oil an emulsion of gray or brown color, in oil vials of water Cooling liquid got to the lubrication system. Attention: water in the engine can cause damages of the bearing. It is necessary to replace immediately (independently or in a workshop) laying of a head of the block of cylinders. Not to start the engine any more; to deliver the car in a workshop on the wrecker.