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
 




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2.2.3. Check of a tension and existence of damages of a gear belt of the drive of cam-shafts (V6TDI engines)

Remove a protective cover of the engine.
Remove the top protection of a gear belt.
Check a condition of a gear belt regarding existence on it the following damages:
– cracks, cross breaks;
– stratification (belt framework, кордшнур);
– development of a framework of a belt;
– istrepannost of a kordshnur;
– superficial cracks (plastic covering);
– existence of traces of oil and lubricant.

NOTE
The gear belt stretches automatically tension roller.


2.2.2. Cleaning of the case and replacement of the filtering element of the vzdushny filter

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