Service of Audi A4 from 2001 to 2005 release.
	1. Operation and maintenance of the car
	2. Engine
		2.1. General information
		2.2. Predvaritlny checks
			2.2.1. Visual check on existence of untight sites and damages to a motor compartment
			2.2.2. Cleaning of the case and replacement of the filtering element of the vzdushny filter
			2.2.3. Check of a tension and existence of damages of a gear belt of the drive of cam-shafts (V6TDI engines)
			2.2.4. Check of a tension and existence of damages (V6 TDI), adjustment of a tension of a gear belt of the TNVD drive
			2.2.5. Replacement of spark plugs
			2.2.6. Check and, if necessary, refueling of cooling liquid
			2.2.7. Removal of a cover of a motor compartment
			2.2.8. Replacement of the fuel filter (TDI engines)
		2.3. Mekhanichsky part (petrol engines 2,0l)
		2.4. Lubrication system
		2.5. Cooling system
		2.6. System of injection
		2.7. System of production of the fulfilled gases
		2.8. Mechanical part (petrol engines 3,0; 3,2 l)
		2.9. Mechanical part (petrol engines of 4,2 l)
		2.10. Mechanical part (diesel engines of 2,0 l)
		2.11. Tables
	3. Transmission
	4. Running gear
	5. Steering mechanism
	6. Brake system
	7. Onboard electric equipment
	8. Body
	9. Schemes of electric equipment

2-2-7-snyatie-kryshki-motornogo-otseka.html

2.2.7. Removal of a cover of a motor compartment

4-tsit. Petrol engines

Fig. 2.35. Fastening of a cover of a motor compartment

Weaken bolts or nuts and uncover (also) the engine (fig. 2.35).

6-tsit. 5V engines of 3,0 l

Fig. 2.36. An engine cover from the right part of a motor compartment

Uncover the engine 1 the right part of a motor compartment (fig. 2.36).

Fig. 2.37. Back cover of the engine

Remove a back cover of the engine, having pulled it (fig. 2.37) up.

4-tsit. diesel TDI engines about the pump nozzles

Take out the oil probe from the directing tube.

Fig. 2.38. Clip-on earrings of protective caps of a cover of the engine

Unfasten clip-on earrings of protective caps (fig. 2.38).

Unscrew nuts and uncover the engine.

Then remove antinoise isolation.

Again insert the oil probe into the directing tube.

Weaken bolts or nuts and uncover (also) the engine.

4-tsit. diesel TDI engines about the pump nozzles

Uncover the engine, having pulled it up.

Diesel V6 2,5 TDI engines

Uncover the engine, having pulled it both hands up.

Diesel V6 3,0 TDI engines

Fig. 2.39. Removal of a cover of the engine

Uncover the engine, having taken it both hands in places 1, and then 2. (do not uncover the engine breakthroughs or with shift aside) (fig. 2.39).

Petrol V8 4,2 engines

Remove a back cover of the engine, having pulled it (fig. 2.37) up.