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
6.1. The general data
6.2. Removal and engine installation
6.3. A forward cross-beam of a motor compartment
6.4. A poliklinovyj belt
6.5. A gear belt
6.6. A cranked shaft
6.7. The left cover of a head of the block of cylinders
6.8. The right cover of a head of the block of cylinders
6.9. Removal of the left head of the block of cylinders
6.10. Removal of the right head of the block of cylinders
6.11. A camshaft
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
21. Brake system
22. A body
23. Heating and air-conditioning system
24. An electric equipment
25. Electric schemes
 










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6-11-raspredelitelnyjj-val.html

6.11. A camshaft

The note

Fig. 3.4–62. The klapannyj mechanism: 1 – the valve; 2 – a head of the block of cylinders; 3 – the valve of restriction of pressure 2,7 bar, 25 Нм; 4 – маслоотражательный a cap; 5 – a valve spring; 6 – a plate of a spring of the valve; 7 – crackers; 8 – a lever support; 9 – a sealing ring;
10 – a forward cover of the bearing of a camshaft of inlet valves; 11 – колпачковая a nut, 15 Нм; 12 – a bearing cover; 13 – a bolt, 10 Нм; 14 – a nut, 10 Нм; 15 – колпачковая a nut, 15 Нм; 16 – a back cover of the bearing of a camshaft of final valves; 17 – a camshaft of inlet valves; 18 – a camshaft of final valves; 19 – the lever; 20 – a hydraulic pusher; 21 – persistent half rings


Before installation it is necessary to grease working surfaces of hydraulic pushers 20 (fig. 3.4–62) with engine oil.

Removal
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.
Uncover heads of the block of cylinders.
Remove a gear belt from camshaft pulleys.

Fig. 3.4–55. An arrangement of bolts of fastening of a directing roller and a back casing of a gear belt



Unscrew bolts and remove back casings of a gear belt (fig. 3.4–55, 3.4–58 see).

Fig. 3.4–58. An arrangement of bolts of fastening of a back casing of a gear belt



Unscrew forward and back covers of bearings of a camshaft of inlet valves (fig. 3.4–62 see).

Fig. 3.4–63. An arrangement of nuts and bolts of fastening of covers of bearings of camshafts



Unscrew covers of bearings 0, 3, 4, 7 and 8 camshafts (fig. 3.4–63).
Gradually cross-wise unscrew covers of bearings 2 and 6 and remove a camshaft of final valves.
Gradually cross-wise unscrew covers of bearings 1 and 5 and remove a camshaft of inlet valves.

Installation
Be convinced that the cranked shaft is fixed by the adjusting screw 3242.
Unscrew from a head of the block of cylinders a hairpin located in an end face of a camshaft.
Be convinced that persistent half rings are on a place.
Check up a condition and position коромысел and hydraulic pushers.

Fig. 3.4–64. Use of the adaptation 3458 for correct installation of camshafts



Establish a camshaft of inlet valves into place so that in a shaft end face it was possible to establish the adaptation 3458 (fig. 3.4–64).
Establish covers of bearings 1 and 5 and fix their bolts.
Establish covers of bearings 2 and 6 and fix their bolts.
Establish covers of bearings 0, 3, 4, 7, 8 and fix their bolts.
Repeatedly check up position коромысел and hydraulic pushers.
Clear привалочные surfaces on a head of the block of cylinders and extreme covers of a camshaft.

Fig. 3.4–65. A place of drawing of a layer of hermetic on the right internal back cover



Put on привалочную a surface of the right internal back cover a thin layer of hermetic (fig. 3.4–65).

Fig. 3.4–66. A place of drawing of a layer of hermetic on an external back or forward right cover.



Put on an interfaced surface of an external back or forward right cover a thin layer of hermetic (fig. 3.4–66 see).
Establish external covers.
The further installation is spent to sequences, return to removal.
Establish a cover of a head of the block of cylinders.
Establish a gear belt.
Wait 30 minutes before engine start-up: hydraulic pushers should come to a normal state, otherwise pistons can hit about valves.


6.10. Removal of the right head of the block of cylinders

7. Systems of ignition and injection of fuel of petrol engines