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)
2.4. 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)
2.9.1. Engine number
2.9.2. Removal and installation semi wedge a belt
2.9.3. Removal and installation damperа крутильных fluctuations
2.9.4. Epiploon replacement crankshaftа on the party of a belt pulley
2.9.5. Removal and installation of a two-mass flywheel
2.9.6. Removal and запрессовка the needle bearing in a flywheel
2.9.7. Removal and installation of a conducted disk
2.9.8. Removal and installation of all covers of chains of a drive
2.9.9. Removal and installation of chains of a drive of camshafts
2.9.10. Removal and installation of a chain drive of the mechanism of management
2.9.11. Removal and installation of a chain of auxiliary drives
2.9.12. An arrangement of loose leaves of the basic bearings on new cranked shaft
2.9.13. An accessory of loose leaves of radical bearings, устанавливаемыхв the block of cylinders
2.9.14. Removal and installation of cam-shafts
2.9.15. Removal and installation of roller levers
2.9.16. Replacement маслосъемных caps
2.9.17. Check of adjustment of phases timing
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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2.9.10. Removal and installation of a chain drive of the mechanism of management

Fig. 2.448. Components of a chain drive: 1 – an arm of an asterisk of a chain drive; 2 – a washer; 3 – a bolt 42 Нм; 4 – a bolt of a cover of the bearing – 10 Нм; 5 – 5 Нм + to tighten on +90 (1/4 about.); 6 – an adjusting washer of an asterisk of a chain drive; 7 – an asterisk of a drive of a chain for a drive chain at the left; 8 – a bolt of a cover of the bearing – 10 Нм; 9 – a chain drive of the mechanism of management; 10 – a lath успокоителя; 11 – a bolt of a cover of the bearing 10 Нм; 12 – a bolt 10 Нм; 13 – an arm of an asterisk of a chain drive; 14 – a sealing ring; 15 – an adjusting washer; 16 – an asterisk of a drive of a chain of a drive on the right; 17 – a bolt of a cover of the bearing – 10 Нм; 18 – a sealing ring; 19 – натяжитель chains; 20 – a bolt 10 Нм; 21 – a lath успокоителя натяжителя chains; 22 – a cranked shaft; 23 – a lath успокоителя; 24 – a bolt of a cover of the bearing 10 Нм



THE NOTE
Before removal of a chain of a drive of a camshaft designate a paint a direction of its rotation. Change of a direction of a course before a maintained chain can lead to its damage.

Removal
Remove chains of a drive of camshafts.
Remove a chain of auxiliary drives.
Remove a lath успокоителя 1 with left ГБЦ.

Fig. 2.449. Натяжитель and успокоитель chains left ГБЦ


Turn on натяжитель chains 2 (fig. 2.449)
Remove a lath успокоителя 1 with right ГБЦ.

Fig. 2.450. Натяжитель and успокоитель chains right ГБЦ


Turn on натяжитель chains 2 (fig. 2.450).

Fig. 2.451. Blocking натяжителя chains


Press a lath успокоителя натяжителя drive chains in a direction of an arrow and by means of a drill in diameter of poses of 3,3 mm. 4 застопорьте натяжитель chains (fig. 2.451).
Mark with a paint a course direction driving chains of the mechanism of management.
Unscrew bolts 2 and 3 and remove asterisks with a chain and a lath успокоителя 1.

Installation
Establish in return sequence, thus it is necessary consider the following

THE NOTE
Replace bolts which were tightened with доворотом.

Establish a chain of auxiliary drives.
Establish chains of a drive of camshafts.

The inhaling moments
Asterisk of the left chain drive to кронштейну*: 5 Нм + 90 **.
Asterisk of the right chain drive to the block of cylinders: 42 Нм.
Натяжитель the left chain of a drive of cam-shafts to ГБЦ: 5 Нм + 90 **
Натяжитель the right chain of a drive of cam-shafts to ГБЦ: 5 Нм + 90 **.
* Replace bolts.
** 90 correspond to one quarter of a complete revolution.


2.9.9. Removal and installation of chains of a drive of camshafts

2.9.11. Removal and installation of a chain of auxiliary drives