Repair and service Audi A8 in body D2 with 1994 for 1999 of release.
1. Car operation
2. Maintenance service
3. Petrol engines of 2,8 l
4. Petrol engines of 3,7 and 4,2 l
5. Diesel engines of 2,5 l
6. Diesel engines of 3,3 l
7. Systems of ignition and injection of fuel of petrol engines
8. System of release of the fulfilled gases of cars with petrol engines
9. The power supply system of diesel engines
10. System of prestarting heating of diesel engines
11. System of release of the fulfilled gases of cars with diesel engines
12. Greasing system
13. Cooling system
14. Coupling
15. A transmission
16. Shaft of a drive of forward wheels
17. Features of a design of transmission of all-wheel drive cars
18. A suspension bracket
19. Wheels and tyres
20. A steering
20.1. The general data
20.2. A steering wheel with a safety pillow
20.3. A steering column
20.4. The steering mechanism
20.5. A tip of steering draught
20.6. The pump of the amplifier of a steering of cars with petrol engines of 2,8 l
20.7. Corners of installation of forward wheels
21. Brake system
22. A body
23. Heating and air-conditioning system
24. An electric equipment
25. Electric schemes
 










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20.4. The steering mechanism

Removal
The steering mechanism acts in film together with steering draughts and the shock-absorber of the steering mechanism.
Before a detachment of the storage battery find out, whether there is at you a code of inclusion of a radio receiver.
Switch off ignition and disconnect a wire of "weight" from the storage battery.
Establish wheels for movement directly forward and take out a key from the ignition lock. Slightly shake a steering wheel here and there that the steering column was blocked.
Screw-driver edge as the lever remove a decorative fringing of casings of a steering column.

Fig. 14–4. An arrangement of screws of fastening of a decorative bottom overlay under the panel of devices from outside the driver



Turn away screws, крепящие a decorative bottom overlay under the panel of devices from outside the driver (fig. 14–4 see).

Fig. 14–8. An arrangement of a nut (1) and a clip (2) fastenings of the universal hinge of a steering column



Unscrew a nut 1 (fig. 14–8 see) fastenings of the universal hinge of a steering column.
Loosen the эксцентриковый a bolt, turning it clockwise, also take out it.
Loosen the bolts of fastening of a steering column.
Moving downwards, remove the universal hinge of a steering column from a shaft of the steering mechanism.
Remove in the car consolidation of a steering shaft.

Fig. 14–11. The helmsman механизм:1 – the combined bolt, 70 Нм; 2 – electric socket Servotronic; 3 – a bolt with a cylindrical head, 12 Нм; 4 – the shock-absorber of the steering mechanism; 5 – the combined bolt, 70 Нм; 6 – the steering mechanism with the steering amplifier; 7 – самоконтрящаяся a nut, 50 Нм; 8 – the combined bolt, 7 Нм; 9 – a bolt; 10 – a protective cover; 11 – эксцентриковый a bolt; 12 – a steering column; 13 – самоконтрящаяся a nut, 40 Нм; 14 – sealing rings; 15 – a pressure head hose; 16 – a hollow bolt, 40 Нм; 17 – a returnable hose; 18 – a hollow bolt, 50 Нм; 19 – sealing rings


Loosen the bolts of fastening of forward wheels, lift a forward part of the car and fix on supports. Remove forward wheels.

Fig. 14–12. Use of clips 3094 for пережатия pressure head and returnable hoses of hydraulic system of the amplifier of a steering



Using clips 3094, press pressure head and returnable hoses of hydraulic system of the amplifier of a steering (fig. 14–12).

Fig. 14–13. An arrangement of bolts of fastening of steering bent for to a rotary fist



Unscrew bolts of fastening of steering bent for to rotary fists and squeeze out downwards steering draughts (fig. 14–13).
On cars with diesel engines V6 TDI remove thermofilters of the engine which close access to bolts of fastening of the steering mechanism.

Fig. 14–14. An arrangement of a bolt of fastening of the steering mechanism on the right party of the car



On the right party of the car unscrew bolts of fastening of steering transfer (fig. 14–14). For simplification of access to a bolt remove a gasoline pipe line from the holder and move it aside.

Fig. 14–15. An arrangement of a part of the casing closing an arch of a wheel on a left-hand side of the car



On a car left-hand side unscrew bolts and remove a part of the casing closing an arch of a wheel (fig. 14–15).
Establish under the steering mechanism capacity for gathering of a following liquid.

Fig. 14–16. An arrangement of bolts of fastening of pressure head and returnable hoses of hydraulic system of the amplifier of a steering to the steering mechanism



Through a wheel arch unscrew from the steering mechanism pressure head and returnable hoses of hydraulic system of the amplifier of a steering (fig. 14–16).
At presence disconnect an electric socket from valves Servotronic.

Fig. 14–17. An arrangement of bolts of fastening of the steering mechanism



Through a wheel arch unscrew two bolts of fastening of a left-hand side of the steering mechanism (fig. 14–17).
Disconnect the steering mechanism from the lock mechanism from an underside of the memory chamber.
Remove the steering mechanism from the car through a wheel arch.

Installation
At installation it is necessary to use new nuts, sealing rings and collars.

Fig. 14–19. Fixing рейки the steering mechanism adjusting adaptation V.A.G 1907: 1 – a carving stopper, 12 Нм;
2 – adjusting adaptation V.A.G 1907; 3 – рейка; 4 – the case of the steering mechanism



Before installation of the steering mechanism establish рейку in average position, unscrew a carving stopper and instead of it manually screw in adjusting adaptation V.A.G 1907 (fig. 14–19 see).

Fig. 14–20. The steering mechanism: 1 – a collar; 2 – a protective cover; 3 – a collar; 4 – a sealing ring; 5 – the holder of the shock-absorber of the steering mechanism; 6 – a sealing ring; 7 – тарельчатая a washer; 8 – a collar; 9 – a protective cover; 10 – the case of the steering mechanism; 11 – a tip of steering draught; 12 nut, 40 Нм; 13 – internal connection of steering draught, 100 Нм; 14 – a nut, 10 Нм; 15 – the plug; 16 – rubber plugs; 17 – the shock-absorber of the steering mechanism; 18 bolt, 40 Нм; 19 – a bolt, 3 Нм; 20 electromagnetic valve Servotronic N119; 21, 22 sealing rings; 23 – the mesh filter



Fig. 14–18. An arrangement and freedom of moving of hydraulic hoses of the steering mechanism before its installation on the car



Check up freedom of moving and position of hoses of the steering mechanism (fig. 14–18).
Establish the steering mechanism and fix its lock mechanism from an underside of the memory chamber.
Fix the steering mechanism bolts, having tightened them in sequence And, In and With the moment 70 Нм (fig. 14–17 see).
Release the mechanism of adjustment of a steering column and establish it in the position close to the horizontal.
Establish the universal hinge on a steering shaft, insert эксцентриковый a bolt, turn it counter-clockwise, screw on a bolt a nut and tighten its moment 40 Нм (fig. 14–8 see).
Unscrew adjusting adaptation V.A.G 1907, instead of it screw in in the steering mechanism a carving stopper and tighten its moment 12 Нм (fig. 14–19).
The further installation is spent to sequences, return to removal, taking into account the following.
Add a liquid in hydraulic system of the amplifier of a steering and remove from it air.
Check up hydraulic system of the amplifier of a steering on absence of leaks.
Connect "a weight" wire to the storage battery.
Include a radio receiver and enter into it a code.
Lift glasses electric glass lifts upwards against the stop. Then press all switches стеклоподъемника once again, at least for 1 second, in position of closing for activation of the block of management glass lifts.
Establish time for hours.




20.3. A steering column

20.5. A tip of steering draught