Installation of a head of the block of cylinders. Audi A4 (from 2001 to 2005 release)
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)
2.3.1. Removal of the engine
2.3.2. Removal and installation of a poliklinovy belt
2.3.3. Removal and installation of a belt pulley of the crankshaft
2.3.4. Removal and installation of a gear belt
2.3.5. Removal and installation of a sealing flange and flywheel / the conducted disk
2.3.6. Replacement of manzhetny consolidation of the crankshaft 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 the conducted disk
2.3.10. Removal and installation of a bent shaft
2.3.11. Removal and a press fitting of the needle bearing in the crankshaft
2.3.12. Removal and installation of an asterisk
2.3.13. Dismantling and assembly of pistons and rods
2.3.14. Head of the block of cylinders
2.3.15. Removal and installation of the valve of 1 system of change of phases of gas distribution
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. Check of a compression
2.3.20. Repair of the valvate mechanism
2.3.21. Removal and installation of the phase shifter
2.3.22. Removal and installation of cam-shafts
2.3.23. Replacement of oil scraper caps (at the established head of the block of cylinders)
2.3.24. Check of the directing plugs of valves
2.3.25. Replacement of manzhetny consolidation of a final cam-shaft
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
 







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

2.3.18. Installation of a head of the block of cylinders

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

At repair carefully remove the sealant remains from a head of the block of cylinders and the block of cylinders. Do not allow formation of long scratches or zadir.
Carefully remove the remains of a sandpaper and grinding.
New laying of a head of the block of cylinders should be taken out from packing just before installation.
It is necessary to handle with laying very with care. Damages of a silicone layer and gofrovy connections lead to tightness loss.
In deaf openings of bolts of fastening of a head of the block of cylinders there should not be an oil or cooling liquid.

ATTENTION
It is allowed to scroll the engine only for the crankshaft in the direction of rotation (clockwise).

NOTE
For a provorachivaniye of the engine install the central bolt on the crankshaft.

Combine a mark in a cam-shaft gear wheel with a mark in the protection cover of a gear belt.

Fig. 2.153. Combination of dredging


Dredging stands vertically the friend opposite to the friend (fig. 2.153).
If the crankshaft was scrolled, bring the piston of the first cylinder into VMT and again slightly turn the 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).
You monitor the adjusting provision of laying of GBTs; marking: number of a detail has to be read from 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 of GBTs in the shown sequence as follows:
Delay with the help of a dynamometer key.
1. stage: 40 N · m.
Further rotate a usual key.

Fig. 2.155. Sequence of tightening of bolts of fastening of GBTs


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

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

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

Fig. 2.96. Fastening of the rubber buffer


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

ATTENTION
For start of the engine do not use the charger there is a danger of damage of control units to the car.

Inhaling moments
* Replace a bolt or a nut.
** Establish on a carving varnish.
*** Grease adjusting pins of a final collector or a carving of the lyamda-probe with heat-resistant paste; heat-resistant paste.


2.3.17. Removal of a head of the block of cylinders

2.3.19. Check of a compression