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
2.3. 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)
2.8.1. Number of the engine
2.8.2. Removal and installation of a poliklinovy belt
2.8.3. Removal and installation of a damper of tortional fluctuations
2.8.4. Removal and installation of a forward sealing flange of the crankshaft with a crankshaft epiploon
2.8.5. Removal and installation of a two-mass flywheel (cars from the manual transmission)
2.8.6. Removal and a press fitting of the needle bearing of a two-mass flywheel (cars from the manual transmission)
2.8.7. Removal and installation of the conducted disk (cars with the automatic transmission)
2.8.8. Replacement of an epiploon of the crankshaft from the chain drive
2.8.9. Removal and installation of the left and right covers of driving chains
2.8.10. Removal and installation of the lower cover of a driving chain
2.8.11. Camshaft drive
2.8.12. Removal of the chain drive from cam-shafts, removal and installation of a natyazhitel of a chain
2.8.13. Removal and installation of a chain of the drive of the oil pump and balancer shaft
2.8.14. Removal and installation of the balancer shaft
2.8.15. Removal and installation of a bent shaft
2.8.16. Conrod and piston group
2.8.17. Check of a radial gap of rods
2.8.18. Check of a compression
2.8.19. Removal and installation of cam-shafts
2.8.20. Replacement of oil scraper caps
2.8.21. Check of basic elements with hydrocompensators
2.8.22. Check of the directing plugs of valves
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
 







2-8-2-snyatie-i-ustanovka-poliklinovogo-remnya.html

2.8.2. Removal and installation of a poliklinovy belt

Fig. 2.301. Components of a contour of a poliklinovy belt: 1 – poliklinovy belt; 2 – bolt of 30 N · m; 3 – bolt of 22 N · m; 4 – generator; 5 – a casing of the directing roller; 6 – the directing roller of a poliklinovy belt; 7 – bolt of 20 N · m; 8 – a pulley of the belt drive for the water pump; 9 – bolt of 9 N · m; 10 – water pump; 11 – casing of a natyazhitel; 12 – natyazhitel of a poliklinovy belt; 13 – bolt of 20 N · m; 14 – bolt of 20 N · m; 15 – power steering pump arm; 16 – bolt of 20 N · m; 17 – power steering pump; 18 – bolt of 20 N · m; 19 – pulley of the belt drive of the pump of the power steering; 20 – bolt of 20 N · m; 21 – bolt of 25 N · m; 22 – conditioner compressor; 23 – adjusting plug; 24 – conditioner compressor arm; 25 – damper of tortional fluctuations



Removal

Fig. 2.302. Forward facing of the engine


Remove forward facing of the engine (fig. 2.302).
Unscrew bolts.

Fig. 2.2. Air duct


Remove air ducts of 1 and 2 (fig. 2.2).

Fig. 2.44. Bolts of an exhaust pipe of an independent additional heater


On cars with an autonomous heater unscrew bolts of an exhaust pipe of an autonomous / additional heater on the noise-insulating screen (fig. 2.44).

Fig. 2.45. Fastening of a forward noise isolation


Turn off clamps 1 and 2 and remove the forward noise-insulating screen (fig. 2.45). The back noise-insulating screen remains established.
Remove facing of a front bumper.
Bring a radiator frame into service situation.

NOTE
Before removal of a poliklinovy belt mark the direction of the course with chalk or a felt-tip pen. Change of the direction of the course of earlier operated belt can lead to its damage.


Fig. 2.303. Weakening of a tension of a poliklinovy belt


For weakening of a poliklinovy belt move a natyazhitel in the direction of an arrow (fig. 2.303).
Take off poliklinovy a belt and unload a natyazhitel.

Installation
Installation is carried out in the return sequence,

Fig. 2.304. Contour of a poliklinovy belt: 1 – generator; 2 – the directing roller; 3 – water pump; 4 – power steering pump; 5 – conditioner compressor; 6 – natyazhitel of a poliklinovy belt; 7 – bent shaft


Establish poliklinovy a belt on pulleys as it is shown in the figure 2.304.

NOTE
At installation of a poliklinovy belt you monitor the correct provision on pulleys.

Establish a radiator frame with hinged details.
Start the engine and check the belt course.
Establish facing of a front bumper.


2.8.1. Number of the engine

2.8.3. Removal and installation of a damper of tortional fluctuations