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
 







2-3-17-snyatie-golovki-bloka-cilindrov.html

2.3.17. Removal of a head of the block of cylinders

THE NOTE
After installation it is necessary to establish again all fixing elements of cables which are removed or cut off at dismantle.

The polluted engine oil replace.
At hermetic use watch characteristics and working life.

Fig. 2.54. An engine casing


Remove an engine casing (fig. 2.54).
Open a cover of a broad tank of system of cooling.

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).
Merge cooling liquid.
Remove a gear belt.

Fig. 2.146. Easing of a bolt of fastening of an asterisk of a camshaft


Loosen the a bolt of fastening of an asterisk of a camshaft (use a counterkey) (fig. 2.146).

Fig. 2.147. Removal of a belt pulley of a cam-shaft двузахватным a stripper


Remove a belt pulley of a cam-shaft двузахватным a stripper (fig. 2.147).

Fig. 2.148. Fastening of a back cover of a gear belt


Turn off a back cover of a gear belt from ГБЦ (fig. 2.148).
Disconnect a wire of weight 1.

Fig. 2.68. A weight wire, a motor guard and an absorber hose


Disconnect the vacuum tube going to the amplifier of brakes, from a motor board 2 (fig. 2.68).
Disconnect a hose of an absorber 3.

Fig. 2.69. Water hoses and fastening of a broad tank of system of cooling


Disconnect water hoses 1 and 2 and turn off fastening of a broad tank of system of cooling (fig. 2.69).
Disconnect штекерный a socket going to the gauge of a signalling device of low level ОЖ below on a broad tank of system of cooling.

Fig. 2.70. An electric socket of the gauge of pressure of pressurisation and the left hose наддувочного air


Disconnect an electric socket from the gauge of pressure of pressurisation 1 (fig. 2.70).
Disconnect the left hose for наддувочного air 2.

Fig. 2.51. Air lines to интеркулеру and to турбонагнетателю


Disconnect вохдуховод 1 to турбонагнетателю on the right below (fig. 2.51).
Disconnect an air line 2 to интеркулеру from a radiator framework.

Fig. 2.80. An inlet hose of the air filter / turbocharger and electric sockets


Disconnect electric sockets 1 and 2 and release a cable (fig. 2.80).

Fig. 2.149. Fastening of a submitting oil highway turbocharger and its support


Turn off submitting oil highway turbocharger from the engine 1 (fig. 2.149).
Turn off a bolt of 2 support turbocharger.
Disconnect submitting oil highway turbocharger.

Fig. 2.150. Fastening of the return маслопровода


Remove return маслопровод with turbocharger (fig. 2.150).

Fig. 2.151. A support bolt turbocharger


Loosen the a bolt of 1 support turbocharger on 2 turns (fig. 2.151).
Remove an inlet pipe.
Remove the catalyst.
Uncover ГБЦ.

Fig. 2.152. Sequence of easing of bolts of fastening ГБЦ


Loosen the bolts of fastening ГБЦ, maintaining sequence shown on drawing 2.152.

THE NOTE
Check up, whether all hoses and wires between the engine, a body and a transmission are separated.

Remove a head of the block of cylinders.


2.3.16. Removal and installation of a cover of a head of the block of cylinders

2.3.18. Installation of a head of the block of cylinders