Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
2.1. The general data
2.2. Predvaritlnye checks
2.2.1. Visual check on presence of not tight sites and damages to a motor compartment
2.2.2. Clearing of the case and replacement of a filtering element вздушного the filter
2.2.3. Check of a tension and presence of damages of a gear belt of a drive of cam-shafts (engines V6TDI)
2.2.4. Check of a tension and presence of damages (V6 TDI), adjustment of a tension of a gear belt of drive ТНВД
2.2.5. Replacement of spark plugs
2.2.6. Check and, at necessity, refuelling of a cooling liquid
2.2.7. Removal of a cover of a motor compartment
2.2.8. Replacement of the fuel filter (engines TDI)
2.3. A Mehanichsky part (petrol engines 2,0л)
2.4. Greasing system
2.5. Cooling system
2.6. Injection system
2.7. System of release of the fulfilled gases
2.8. A mechanical part (petrol engines 3,0; 3,2)
2.9. A mechanical part (petrol engines 4,2)
2.10. A mechanical part (diesel engines 2,0)
2.11. Tables
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes
 




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2.2.8. Replacement of the fuel filter (engines TDI)

THE NOTE
Do not suppose hit of diesel fuel on hoses of system of cooling. In case of hit immediately clear hoses.

4-tsil. Diesel engines TDI with pumps-atomizers
Remove a protective cover of the engine.
The fuel filter can be established on a forward partition of a body.
Remove bracket fastenings 3 and a regulator with connected топливопроводами.

Fig. 2.40. Fuel hoses, unions and tightening an arm collar


Remove fuel hoses from fuel unions 1 and 2 (fig. 2.40).
Tightening a collar 4 arms loosen the also take out the filter from an arm.
The new filter fill with pure diesel fuel. It will allow to start the engine faster.
At installation of a regulator pay attention to position of ring consolidation in the filter case.
Establish a regulator with connected топливопроводами.
Establish bracket fastenings 3.
Fuel hoses insert into corresponding unions 1 and 2 and fix collars.
Start the engine and spend visual check of tightness of fuel system.

6-tsil. Diesel engines 2.5 TDI
Remove bracket fastenings 5.
Remove a regulator 6 with connected топливопроводами.

Fig. 2.41. Fuel hoses, unions and tightening an arm collar


Remove fuel hoses from fuel unions 3 and 4 (fig. 2.41).
Tightening a collar of 1 arm loosen the also take out the filter from an arm.
The new filter fill with pure diesel fuel. It will allow start the engine faster.
Tighten tightening a collar 1.
At installation of a regulator pay attention to position of ring consolidation in the filter case.
Establish a regulator with connected топливопроводами.
Establish bracket fastenings 5.
Fuel hoses insert into corresponding unions 3 and 4 and fix collars.
Start the engine and spend visual check of tightness of fuel system.

6-tsil. Diesel engines 2.7/3.0 TDI
Remove bracket fastenings 1 and a bolt 2.
Remove a cable collar 4.

Fig. 2.42. Fastening of the fuel filter and a cable collar


Nut 3 unscrew and take out bracket fastenings (fig. 2.42).
Replace the fuel filter.
Tighten bracket fastenings and a bolt 3. The inhaling moment: 10 Нм.
Establish a fuel hose with a bolt 2 and new ring consolidations. The inhaling moment: 23 Нм.
Establish a cable collar 4.
Hose of giving of fuel to put on the union and fix bracket fastenings 1.
Start the engine and spend visual check of tightness of fuel system.


2.2.7. Removal of a cover of a motor compartment

2.3. A Mehanichsky part (petrol engines 2,0л)