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
3.1. The general data
3.2. Removal and engine installation
3.3. A poliklinovoj belt
3.4. Гаситель fluctuations
3.5. Replacement of a gear belt
3.6. A two-mass flywheel
3.7. A frictional overlay
3.8. The gauge of frequency of rotation of the engine
3.9. A cranked shaft
3.10. Pistons and rods
3.11. An inlet collector
3.12. The left cover of a head of the block of cylinders
3.13. The right cover of a head of the block of cylinders
3.14. A head of the block of cylinders
3.15. A camshaft
3.16. Check of hydraulic pushers of valves
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
21. Brake system
22. A body
23. Heating and air-conditioning system
24. An electric equipment
25. Electric schemes
 










3-15-raspredelitelnyjj-val.html

3.15. A camshaft

Removal
Remove a gear belt from pulleys of camshafts.
Uncover heads of the block of cylinders.
Turn away two bolts and remove the case of the gauge from the back party of the left head of the block of cylinders.
Remove a camshaft pulley.
Note position of covers of bearings of a camshaft.

Fig. 3.1–89. An arrangement of covers of bearings of a camshaft



First of all unscrew nuts and remove covers of 2 and 3 bearings of a camshaft (fig. 3.1–89).
Gradually on a diagonal loosen the nuts of fastening of a cover of 1 and 4 bearings of a camshaft also remove covers.
Remove a camshaft.

Installation
Installation is spent to sequences, return to removal, taking into account the following.

Fig. 3.1–90. Position of a cover of the bearing of a camshaft at installation



Keep in mind that covers of bearings are asymmetrical, therefore before camshaft installation define their correct position (fig. 3.1–90)
Grease with a thin layer of engine oil a camshaft and establish it in a head of the block of cylinders.
Establish covers of 1 and 4 bearings of a camshaft and fix nuts, tightening them gradually on a diagonal.
Establish other covers of bearings of a camshaft and fix their nuts.
Establish a gear belt.
Establish a cover of a head of the block of cylinders.
Wait approximately 30 minutes before engine start-up. It is necessary that there was a stabilisation of work of hydraulic pushers, differently pistons will hit about valves.


3.14. A head of the block of cylinders

3.16. Check of hydraulic pushers of valves