Audi 80/Avant (B4)
since 1991-1995 release
Repair and operation of the car
+ Technical specification
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
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
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
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The Audi 80 car is set in motion by engines of various designs and the number of cylinders. The palette stretches from 4-to 6-cylinder motors. The quantity of vpryskovy systems are even more. It is necessary to add two more essentially various diesel engines to the petrol engines described in this management. So in variety of a shortcoming is not present, as the following table proves.
Various degrees of power:
Signs of engines
The 4-cylinder engine in a section
This motor which is initially designed for Audi 80 is used also to Audi 100 and to the folksvagenovsky models Golf, Jetta, Passat. Its major constructive signs: the 4-cylinder engine with the top arrangement of the camshaft. The drive of valves is carried out by means of hydraulic dish-shaped pushers. The intermediate shaft gives the oil pump and the distributor of ignition. The drive of distributive and intermediate shaft is carried out by means of a gear belt.
The 5-cylinder engine in a section
The main constructive signs of the 4-cylinder engine correspond also to the 5-cylinder engine presented for the first time in 1976 on Audi 100. It is enough to call only two common features – this engine is also supplied with a gear belt for the drive of the camshaft and the pump of cooling liquid, and in this engine for reduction of valves dish-shaped hydraulic pushers are used.
The 6-cylinder engine in a section
Newly Audi 100 developed to representation of the fourth generation in 1991 the 6-cylinder V-shaped engine represents very compact unit which is specially created for a longitudinal arrangement. Two camshafts of the top arrangement put in action by gear belts operate valves by means of dish-shaped pushers. In space between heads of cylinders the final gas pipeline is placed.
The 2,8-liter version is equipped with the inlet gas pipeline with a changeable length of a path which changes the active length of inlet channels depending on rotation frequency range. Thus in all ranges of frequencies of rotation the optimum torque of the engine is reached. It is worth mentioning also system of ignition without distributor which is in more detail described in the head Sistema of ignition.