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

2-2-1-vizualnaya-proverka-na-nalichie-negermetichnykh-uchastkov-i-povrezhdenijj.html

2.2.1. Visual check on existence of untight sites and damages to a motor compartment

Carry out a visual inspection.

Uncover the engine.

Check the engine and a motor compartment for tightness and absence of damage.

Check pipelines, hoses and unions of the following systems for tightness, lack of attritions, formation of a time and fragility.

Similar to it carry out a visual inspection from below, at the same time the car has to be on the elevator with the removed antinoise isolation.

When conducting visual check pay attention to a condition of the bottom, wheel niches and flaps.