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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2-3-14-golovka-bloka-cilindrov.html

2.3.14. A head of the block of cylinders

Fig. 2.137. Components of a head of the block of cylinders: 1 – a bolt 10 Нм; 2 – cover ГБЦ; 3 – a lining; 4 – клапанная a box; 5 – a cover маслоналивной mouths; 6 – a lining; 7 – a bolt 4 Нм; 8 – a lining of cover ГБЦ; 9 – the vacuum pump; 10 – a bolt 4 Нм; 11 – the valve of 1 adjustment of phases timing; 12 – a sealing cuff; 13 – a bolt 10 Нм; 14 – cable fixture; 15 – a sealing cuff; 16 – a bolt 10 Нм; 17 – the case; 18 – a lining; 19 – a cargo eye; 20 – a bolt 25 Нм; 21 – a bolt 10 Нм; 22 – a partition; 23 – a lining of a head of the block of cylinders; 24 – a bolt 10 Нм; 25 – the Hall gauge; 26 – a sealing cuff; 27 – a bolt 10 Нм; 28 – a bolt 20 Нм; 29 – a bolt of a head of the block of cylinders



THE NOTE
At performance of adjusting works replace self-locking nuts, the bolts tightened on a certain corner, and also sealing rings and linings.
At installation of a new head of the block of cylinders with the established cam-shafts between roller levers and bed of cams it is necessary to grease adjoining surfaces with engine oil.
Plastic linings entering into the repair complete set for protection of open valves are authorised to be deleted directly ahead of installation ГБЦ.
At replacement ГБЦ or linings of a head of the block it is necessary to merge old and to fill in a new cooling liquid.


Check of curvature of a plane прилегания heads of the block of cylinders


Fig. 2.138. Check of curvature of a plane прилегания heads of the block of cylinders



Check up curvature of a plane прилегания heads of the block of cylinders with the help лекальной rulers and probeов in several places.
As much as possible admissible curvature of a plane прилегания: 0,05 mm

Allowance on processing ГБЦ

Fig. 2.139. Allowance size on processing ГБЦ


Processing ГБЦ (flat grinding) is supposed only till the minimum size a (fig. 2.139).
The minimum size a – 139,20 mm.


2.3.13. Dismantling and assemblage of pistons and rods

2.3.15. Removal and installation of the valve of 1 system of change of phases timing