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
2.3. A Mehanichsky part (petrol engines 2,0л)
2.3.1. Engine removal
2.3.2. Removal and installation semi wedge a belt
2.3.3. Removal and installation of a belt pulley crankshaftа
2.3.4. Removal and installation of a gear belt
2.3.5. Removal and installation of a sealing flange and a flywheel / a conducted disk
2.3.6. Replacement манжетного consolidations crankshaftа on the party of a belt pulley
2.3.7. Removal and installation of a forward sealing flange
2.3.8. Removal and installation of a two-mass flywheel
2.3.9. Removal and installation of a conducted disk
2.3.10. Removal and installation of a cranked shaft
2.3.11. Removal and запрессовка the needle bearing in crankshaft
2.3.12. Removal and asterisk installation
2.3.13. Dismantling and assemblage of pistons and rods
2.3.14. A head of the block of cylinders
2.3.15. Removal and installation of the valve of 1 system of change of phases timing
2.3.16. Removal and installation of a cover of a head of the block of cylinders
2.3.17. Removal of a head of the block of cylinders
2.3.18. Installation of a head of the block of cylinders
2.3.19. Compression check
2.3.20. Repair клапанного the mechanism
2.3.21. Removal and phase shifter installation
2.3.22. Removal and installation of cam-shafts
2.3.23. Replacement маслосъемных caps (at the established head of the block of cylinders)
2.3.24. Check of directing plugs of valves
2.3.25. Replacement манжетного consolidations of a final cam-shaft
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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2.3.3. Removal and installation of a belt pulley crankshaftа

Removal

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


In cars with an additional heater unscrew bolts of an exhaust pipe of an independent additional heater from шумоизоляционного the screen (fig. 2.44).

Fig. 2.45. Fastening of a forward noise isolation


Loosen the quick disconnect муфты 1 and 2 also remove a forward noise isolation (fig. 2.45).
Result a radiator framework in service position.
Remove полиwedge a belt.

Fig. 2.98. Untwisting of a belt pulley crankshaftа


Turn off ременный a pulley crankshaftа (fig. 2.98).

THE NOTE
For easing and an inhaling of fastening of a pulley keep crankshaft накидным a wrench for the central bolt.

Installation
Installation is carried out in return sequence.
Establish a belt pulley crankshaftа, using only original bolts.

Fig. 2.99. An adjusting aperture in a pulley crankshaftа


Installation is possible only in one position: the aperture crankshaftа should be in a pulley over a pulley ledge under a gear belt (fig. 2.99).
Establish a framework of a radiator with hinged components.

Fig. 2.96. Fastening of the rubber buffer


Lower an emphasis of a support against проворачивания at the expense of a body weight on the rubber buffer and tighten nuts (fig. 2.96).
Establish a casing of a forward bumper.
Check up adjustment of headlights.

The inhaling moments
Belt drive pulley to cranked валу* 10 Нм + 90 **.
* Replace a bolt or a nut.
** 90 there correspond turn quarters.

Removal and installation of an arm of additional units
Removal

Fig. 2.54. An engine casing


Remove an engine casing (fig. 2.54).

Fig. 2.43. Mass cable АКБ


Disconnect a mass cable from АКБ at the switched off ignition (fig. 2.43).

THE NOTE
Before removal semi wedge a belt mark a direction of a course with a chalk or a felt-tip pen. Change of a direction of a course before a maintained belt can lead to its damage.

For easing semi wedge a belt turn tension damper.
Fix a tension element by means of a clamp.
Remove полиwedge a belt.

Fig. 2.100. Tension damper semi wedge a belt with a pendant pad of the engine


Remove tension damper semi wedge a belt with a pendant pad of the engine (fig. 2.100).
Remove the generator.
In cars with an additional heater unscrew bolts of an exhaust pipe of an independent additional heater from шумоизоляционного the screen.
Loosen the quick disconnect муфты 1 and 2 also remove a forward noise isolation (fig. 2.45).

Fig. 2.66. An arm of a tube of a contour of a central air


Remove an arm of a tube of a contour of a central air from the oil pallet (fig. 2.66).

Fig. 2.67. Fastening of the compressor of the conditioner and штекерный a wire socket


Disconnect штекерный a socket of 1 wire going to electromagnetic муфте of the compressor of the conditioner (fig. 2.67).

ATTENTION
It is forbidden to open a contour of a central air of climatic installation.

Turn off the compressor of the conditioner from an arm.

THE NOTE
To avoid condenser damages, and also pipelines and hoses of a contour of a central air, it is necessary to watch that lines and hoses have been laid without a tightness, excesses and breaks.

Suspend the compressor of the conditioner with the connected lines from below on the car.

Fig. 2.101. Bolts of fastening of an arm of additional units


Turn off fastening of an arm of additional units – bolts 1–6 (fig. 2.101).
Installation
Installation is carried out in return sequence.
Tighten bolts in sequence 1–6 (fig. 2.101).
Establish the generator.
Establish the conditioner compressor.
Establish поликлиновый a belt.
To connect the storage battery.
The inhaling moments:
– An arm of additional units to the block цилиндров* – 45 Нм;
натяжитель semi wedge a belt to an arm of additional units – 23 Нм.
* Establish on a carving varnish.


2.3.2. Removal and installation semi wedge a belt

2.3.4. Removal and installation of a gear belt