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
9.1. The general data
9.2. A fuel tank
9.3. The fuel pump / the gauge of level of fuel
9.4. A fuel broad tank
9.5. The fuel filter
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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9.5. The fuel filter


Fig. 5.1–4. An arrangement of screws of fastening of a casing of the fuel filter



Remove a casing on the right side of a motor compartment (fig. 5.1–4).

Fig. 5.1–5. Elements of fastening of the fuel filter: 1 – заглушка, 4 Нм; 2, 3 – hoses of a supply of fuel; 4 – a spring clip; 5 – a nut; 6 – the adjusting valve



Having pulled, remove a spring clip of 4 fastenings of the adjusting valve 6 (fig. 5.1–5).
Remove the adjusting valve together with the connected pipelines.
Loosen the collars also remove hoses of a supply of fuel 2 and 3 from unions of the fuel filter.
Loosen the a nut of 5 fastenings of an arm also remove the fuel filter.
Put on the plastic adjusting plug the new fuel filter.
Establish the fuel filter in an arm and fix a clip of an arm a nut. The direction of a stream of fuel is specified by an arrow on the filter.
Fill the new fuel filter with pure diesel fuel to provide fast start-up of the engine.
Establish a sealing ring and the adjusting valve into place and fix their spring clip.

Fig. 5.1–3. The fuel filter: 1 – a bolt, 10 Нм; 2 – an arm of the fuel filter; 3 – rubber sealing rings; 4 – bolts, 10 Нм; 5 – a spring clip; 6 – a tube of return of fuel from the fuel pump; 7 – the regulating valve; 8 – a tube of return of fuel to a fuel tank; 9 – a tube of a supply of fuel from a fuel tank; 10 – заглушка, 4 Нм; 11 – a lining; 12 – the fuel filter; 13 – a tube of a supply of fuel to топливномунасосу; 14 – the adjusting plug; 15 – the combined bolt, 10 Нм; 16 – a rubber sealing ring; 17 – an arm; 18 – a bolt, 10 Нм; 19 – a bolt, 10 Нм; 20 – an arm of the fuel filter


Identical sealing rings 3 and 16 (fig. 5.1–3 see) are established on an arm by funneled surfaces upwards.
At installation of the adjusting valve of the marksman on it should be directed to a fuel tank.
Establish hoses of a supply of fuel 2 and 3 (fig. 5.1–5) on the fuel filter see and fix their collars.
Check of the adjusting valve:
– At temperature more low +15 С the valve is opened;
– At temperature above +31 С the valve is closed.


9.4. A fuel broad tank

10. System of prestarting heating of diesel engines