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
4.1. The general data
4.2. Removal and engine installation
4.3. A poliklinovoj belt
4.4. Replacement of a gear belt
4.5. A head of the block of cylinders
4.6. The klapannyj mechanism
4.7. Camshafts
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


4.6. The klapannyj mechanism

Turn a cranked shaft for a bolt of fastening of a pulley of a cranked shaft in a direction of working rotation before installation of one of cams of a camshaft ledges upwards and check up a backlash between a cam and a hydraulic pusher. The backlash should be within 0,10–0,20 mm.
Otherwise remove a camshaft and a pusher. Remove the jack, measure its thickness and choose the jack of a necessary thickness.

The measured backlash – 0,30 mm
Nominal backlash – 0,15 mm
Difference – 0,15 mm
It is necessary to establish the jack on 0,15 mm more thickly.

4.5. A head of the block of cylinders

4.7. Camshafts