Removal and installation of the chain drive of the mechanism of management. 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)
2.4. 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)
2.9.1. Number of the engine
2.9.2. Removal and installation of a poliklinovy belt
2.9.3. Removal and installation of a damper of tortional fluctuations
2.9.4. Replacement of an epiploon of the crankshaft on the party of a belt pulley
2.9.5. Removal and installation of a two-mass flywheel
2.9.6. Removal and a press fitting of the needle bearing in a flywheel
2.9.7. Removal and installation of the conducted disk
2.9.8. Removal and installation of all covers of chains of the drive
2.9.9. Removal and installation of chains of the drive of camshafts
2.9.10. Removal and installation of the 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 inserts of the main bearings on new bent shafts
2.9.13. Accessory of inserts of radical bearings, устанавливаемыхв 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 of oil scraper caps
2.9.17. Check of adjustment of phases of gas distribution
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
 







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2.9.10. Removal and installation of the chain drive of the mechanism of management

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



NOTE
Before removal of a chain of the drive of the camshaft designate paint the direction of its rotation. Change of the direction of the course of earlier operated chain can lead to its damage.

Removal
Remove chains of the drive of camshafts.
Remove a chain of auxiliary drives.
Remove a level of an uspokoitel 1 from the left GBTs.

Fig. 2.449. Natyazhitel and uspokoitel of a chain of the left GBTs


Turn off a natyazhitel of a chain of 2 (fig. 2.449)
Remove a level of an uspokoitel 1 from the right GBTs.

Fig. 2.450. Natyazhitel and uspokoitel of a chain of the right GBTs


Turn off a natyazhitel of a chain of 2 (fig. 2.450).

Fig. 2.451. Blocking of a natyazhitel of a chain


Press a level of an uspokoitel of a natyazhitel of a chain of the drive in the direction of an arrow and by means of a drill with a diameter of 3,3 mm of poses. To 4 zastoporta natyazhitel of a chain (fig. 2.451).
Mark with paint the direction of the course of a driving chain of the mechanism of management.
Unscrew bolts 2 and 3 and remove asterisks with a chain and a level of an uspokoitel 1.

Installation
Establish in the return sequence, at the same time it is necessary consider the following

NOTE
Replace bolts which dragged on with dovoroty.

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

Inhaling moments
Asterisk of the left chain drive to кронштейну*: 5 N · m + 90 ° **.
Asterisk of the right chain drive to the block of cylinders: 42 N · m.
Natyazhitel of the left chain of the drive of cam-shafts to GBTs: 5 N · m + 90 ° **
Natyazhitel of the right chain of the drive of cam-shafts to GBTs: 5 N · m + 90 ° **.
* Replace bolts.
** 90 ° correspond to one quarter of a whole revolution.


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

2.9.11. Removal and installation of a chain of auxiliary drives