Audi A4

since 1994 release

Repair and operation of the car


A4 Audi
- Running gear
   Protection of passengers
   Full zinc covering
   Full drive
   Concepts of the all-wheel drive
   Distributive torsen-differential
   Dynamics of the movement on the dry road
   Maintenance instructions of quattro cars
   Mechanism of blocking of differential
   Additional works on maintenance
   Motive compartment
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics



Motive compartment

74 kW four-cylinder engine

1 � accumulator;
2 � cable of a butterfly valve;
3 � brake amplifier;
4 � a broad tank with brake fluid;
5 � a broad tank with cooling liquid;
6 � electronic block;
7 � a tank with hydraulic oil for a servoupravleniye;
8 � a tank with liquid for washing of glasses; 9 � hydraulic module of system of anti-blocking;

10 � the probe for measurement of level of oil;
11 � generator;
12 � engine cover;
13 � oil-filling branch pipe (engine oil);
14 � cover of a gear belt;
15 � measuring instrument of a stream of fresh air;
16 � case of the air filter;
17 � the electromagnetic valve of capacity with the coal filter (ventilation of a fuel tank).

92 kW four-cylinder engine

1 � accumulator;
2 � cable of a butterfly valve;
3 � brake amplifier;
4 � a broad tank with brake fluid;
5 � the broad block with cooling liquid;
6 � electronic block;
7 � a tank with liquid for washing of glasses;
8 � a tank with hydraulic oil for a servoupravleniye;

9 � hydraulic module of system of anti-blocking;
10 � generator;
11 � the probe for measurement of level of oil;
12 � oil-filling branch pipe (engine oil);
13 � engine cover;
14 � measuring instrument of a stream of fresh air;
15 � case of the air filter;
16 � the electromagnetic valve of capacity with the coal filter (ventilation of a fuel tank).

110 kW four-cylinder engine

1 � accumulator;
2 � brake amplifier;
3 � a broad tank with brake fluid;
4 � a broad tank with cooling liquid;
5 � electronic box;
6 � a tank with liquid for washing of glasses;
7 � a tank with hydraulic oil for a servoupravleniye;
8 � hydraulic module of system of anti-blocking;

9 � control unit of a butterfly valve;
10 � the probe for measurement of level of oil;
11 � cable of a butterfly valve;
12 � oil-filling branch pipe (engine oil);
13 � engine cover;
14 � the terminal cascade of power of ignition (under it the case of the air filter with the integrated measuring instrument of a stream of fresh air);
15 � electromagnetic valve of the coal filter (ventilation of a fuel tank).

128 kW six-cylinder engine

1 � electromagnetic valve of the coal filter (ventilation of a fuel tank);
2 � accumulator;
3 � the electromagnetic valve for switching of the register soaking-up pipeline;
4 � brake amplifier;
5 � a broad tank with brake fluid;
6 � a broad tank with cooling liquid;
7 � electronic box;
8 � a tank with hydraulic oil for a servoupravleniye;
9 � a tank with liquid for washing of glasses;
10 � hydraulic module of system of anti-blocking;

11 � vacuum box of system of adjustment of speed;
12 � the switching inlet collector;
13 � package of coils of ignition;
14 � fuel pressure regulator;
15 � oil-filling branch pipe (engine oil);
16 � the measuring instrument of a stream of fresh air (it is built-in only in engines with a working volume of 2,8 l);
17 � the terminal cascade of power of system of ignition (under it the case of the air filter).