Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
7.1. The general data
7.2. Power supplies system
7.3. The generator
7.3.1. Removal and generator installation (cars with 4-tsil. The petrol engine of 1,6 l, турбированным the engine of 1,8 l, MPI 2,0 l and FSI 2,0)
7.3.2. Cars with the 6-cylinder engine of 2,4 l
7.3.3. Cars with the 6-cylinder engine of 3,0 l
7.3.4. Cars with 8-cylinder engine MPI of 4,2 l – Audi S4
7.4. A starter
7.5. Relay blocks, sockets and safety locks
8. A body
9. Electric equipment schemes
 




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7.3.4. Cars with 8-cylinder engine MPI of 4,2 l – Audi S4

Removal
Disconnect a weight wire in the accumulator at the switched off ignition.
Pump out hydraulic oil from capacity of hydrosystem of a steering by means of the adaptation for откачки oils.

ATTENTION
At opening of a broad tank with a cooling liquid there can be hot steam or a hot cooling liquid; cover a cover with rags and open cautiously.

Open a cover of a broad tank of a cooling liquid.
Remove the right forward wheel.
In cars with an independent heater unscrew screws of an exhaust pipe of an independent heater and an additional heater on шумоизоляционном the screen.

Fig. 7.18. Fastening forward шумоизоляционного the screen


Release screws or quick disconnect clamps 1 and 2 and remove forward шумоизоляционный the screen (fig. 7.18).

Fig. 7.37. The right air line


Remove the right air line before an additional radiator (fig. 7.37).

Fig. 7.38. The left air line


Remove the left air line before an additional radiator (fig. 7.38).
Substitute the pallet for service cranes or under the engine.

Fig. 7.39. A stopper маслосливного apertures of the case of the thermostat


Unscrew a stopper маслосливного apertures from the case of the thermostat and merge cooling liquid from the engine (fig. 7.39).

Fig. 7.40. The bottom hose of a radiator


Pull out a hose of a cooling liquid below from a radiator and merge the remained cooling liquid (fig. 7.40).
Establish the adaptation for откачки oils

Fig. 7.41. Hydraulic branch pipes of a hose of cooling behind on a radiator framework


Disconnect the hydraulic branch pipes going to a hose of cooling behind on a framework of a radiator (arrow) (fig. 7.41).

Fig. 7.27. The right safety cover in a motor compartment


Uncover 1 on the right in a motor compartment (fig. 7.27).
Unscrew screws (arrows).

Fig. 7.28. Air line removal


Remove the electromagnetic valve of 1 absorber 1 from an air line (fig. 7.28).
Remove an air line 2.

Fig. 7.42. The top hose of a radiator


Disconnect a hose of a cooling liquid from above from a radiator (fig. 7.42).

Fig. 7.43. The left safety cover in a motor compartment


Uncover 1 at the left in a motor compartment (fig. 7.43).
Pull out electric sockets 1 and 2 of the holder and to separate them.

Fig. 7.44. Electric sockets of a radiator


To liberate the wires going to a framework of a radiator (fig. 7.44).

Fig. 7.45. An electric socket of a headlight


Disconnect a socket of headlights on the left and right parties of the car (fig. 7.45).

Fig. 7.46. Electric разъемдатчика safety pillows


Disconnect a socket of gauges of a pillow of safety at the left and on the right on a radiator framework (fig. 7.46).
To liberate wires.
Disconnect a cowl cable in front from a radiator framework.

Fig. 7.47. An electric socket of the right fan


Disconnect a socket of the right fan (fig. 7.47).

Fig. 7.48. Radiator air lines


Turn off the left and right air lines from a radiator (arrow) (fig. 7.48).

Fig. 7.49. The gauge of external temperature


Unblock the gauge of external temperature 1 of the holder and to liberate wires (fig. 7.49).
Turn off a hose of cooling of hydraulic oil of hydrosystem of a steering (arrow).

Fig. 7.50. An arm of the block of management of the fan


Turn off the block of management of the fan of a cooling liquid from a radiator (fig. 7.50).

ATTENTION
It is forbidden to open a contour of a coolant of a central air.

THE NOTE
To avoid condenser damages, and also highways and coolant hoses, it is necessary to watch that highways and hoses have been laid without a tightness, excesses and breaks.


Fig. 7.51. The gauge of a high pressure and condenser fastening


Disconnect a socket of 1 gauge of a high pressure (fig. 7.51).
Unscrew screws (arrows).
Remove the condenser and incline downwards together with the connected lines and the established block of management of the fan of a cooling liquid.
Unscrew bolts (arrows) at the left and on the right on a radiator framework.

Fig. 7.52. Fastening of a sealant of a cowl


Remove a sealant of a cowl of the engine on a framework of a radiator and along the edges of a wing (fig. 7.52).

Fig. 7.53. Fastening damperа


Unscrew screws on (arrow) bumpers at the left and on the right (fig. 7.53).

THE NOTE
The assistant is necessary for removal of a framework of a radiator.

Remove a framework of a radiator and to set aside aside, having protected from overturning.
Remove шланговый a collar 2 and disconnect a hose of a cooling liquid from a branch pipe on the right.

Fig. 7.54. Collars of a hose of a cooling liquid


Turn off шланговые collars 1 and disconnect a hose of a cooling liquid (fig. 7.54).

THE NOTE
For the best representation operation is shown at the dismantled engine.

THE NOTE
Before removal semi wedge a belt note a direction of its movement by a chalk or a felt-tip pen. Movement of the belt which in the opposite direction already was in the use can lead to its rupture.


Fig. 7.55. The tension screw semi wedge a belt


Unscrew the tension screw (fig. 7.55).
Remove полиwedge a belt from a generator pulley.

Fig. 7.56. Fastening of a tension roller


Remove a tension roller (arrows) (fig. 7.56).
Unscrew screws (arrows).

Fig. 7.57. Generator fastening


Remove the generator from an arm and to pull forward (fig. 7.57).

THE NOTE
If the generator gets jammed in an arm, again screw the fixing screw to 2 turns.

Cautiously knock with the flat party of a hammer on heads of screws – thanks to it plugs of fastening of the generator will be released.
Disconnect a hose of a cooling liquid 3 from the generator.

Fig. 7.58. A hose of a cooling liquid and power supplies socket


Disconnect a socket 1 (fig. 7.58).
Turn off an electric wire 2 from the generator.
Remove the generator.

Installation
Establish in return sequence.

THE NOTE
For fastening of all connections of hoses to use collars of a corresponding series.
For simplification of installation of the generator of the plug of lock screws отодвиньтенемного back.

THE NOTE
It should facilitate a course of plugs of fastening of the generator as otherwise the effort of a clip of the plug, despite a corresponding twisting moment, is not enough.


Fig. 7.59. A course semi wedge a belt: 1 – the generator; 2 – полиwedge a belt; 3 – обгонный a roller; 4 – гаситель fluctuations; 5 – a tension roller


Pay attention to correctness of landing and a course semi wedge of a belt (fig. 7.59).

Fig. 7.60. A tightening of the screw of a tension roller


Dinamometrichesky key impose on шестигранник a tension roller and preliminary to pull with the moment 70 Нм (fig. 7.60).
Simultaneously tighten the tension screw the moment 22 Нм.
Establish a framework of a radiator with hinged details.
Establish a forward overlay of a bumper.
Before the first start of the engine fill in hydraulic oil in capacity of hydrosystem of a steering, лопастной the pump should not work dry.
Connect the accumulator.
Start the engine and check up a belt course.
Fill in cooling liquid.

The inhaling moments
Branch pipes of a cooling liquid to the generator: 9 Нм.
The plug 30/B + to the generator: 16 Нм.
The generator to the engine: 22 Нм.
Tension roller to the engine: 22 Нм.


7.3.3. Cars with the 6-cylinder engine of 3,0 l

7.4. A starter