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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2-3-18-ustanovka-golovki-bloka-cilindrov.html

2.3.18. Installation of a head of the block of cylinders

THE NOTE
For fastening of all connections of hoses use collars of a corresponding series.

At repair cautiously remove from a head of the block of cylinders and the block of cylinders the hermetic rests. Do not suppose formation of long scratches or задиров.
Cautiously remove the sandpaper and polishing rests.
The new lining of a head of the block of cylinders should be taken out from packing directly ahead of installation.
With a lining it is necessary to address very cautiously. Damages of a silicone layer and гофровых connections conduct to tightness loss.
In deaf apertures of bolts of fastening of a head of the block of cylinders there should not be an oil or a cooling liquid.

ATTENTION
To scroll the engine it is authorised only for crankshaft in a rotation direction (clockwise).

THE NOTE
For проворачивания the engine establish the central bolt on crankshaft.

Combine a mark in a gear wheel of a cam-shaft with a mark in a protective casing of a gear belt.

Fig. 2.153. Combination of dredging


Dredging stand vertically the friend opposite to the friend (fig. 2.153).
If crankshaft it was scrolled, result the piston of the first cylinder in ВМТ and again slightly turn crankshaft back.
Establish consolidation of a head of the block of cylinders.

Fig. 2.154. Centering pins in the block of cylinders


Pay attention to centering pins in the block of cylinders (fig. 2.154).
Watch adjusting position of lining ГБЦ; marks: detail number should be read from outside an admission.
Establish a head of the block of cylinders.
Insert bolts of fastening of a head of the block and tighten them by hand.
Tighten bolts of fastening ГБЦ in the shown sequence as follows:
Tighten with the help динамометрического a key.
1. A stage: 40 Нм.
Further rotate a usual key.

Fig. 2.155. Sequence of a tightening of bolts of fastening ГБЦ


2. A stage: 180 (1/2 about.) (it is possible 2x90 ) (fig. 2.155).

THE NOTE
Дотяжка bolts of fastening of a head of the block of cylinders after repair work it is not obligatory.

Establish a cover of a head of the block of cylinders.
Establish a gear belt.
Establish полиwedge a belt.
Establish an inlet pipe.
Establish brushes of screen wipers.
Remove air from the power supply system.
Check up oil level.
Fill in cooling liquid.

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.

ATTENTION
For start of the engine do not use зарядное the device There is a danger of damage of blocks of management in the car.

The inhaling moments
* Replace a bolt or a nut.
** Establish on a carving varnish.
*** Grease adjusting pins of a final collector or a carving of a ljamda-probe with thermosteady paste; thermosteady paste.


2.3.17. Removal of a head of the block of cylinders

2.3.19. Compression check