Removal and installation of a chain of auxiliary drives. 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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2.9.11. Removal and installation of a chain of auxiliary drives

Fig. 2.452. Components of a chain of auxiliary drives: 1 – bolt of 10 N · m; 2 – natyazhitel of a chain; 3 – bolt of 42 N · m; 4 – washer; 5 – bolts of a cover of the bearing of an intermediate asterisk; 6 – intermediate asterisk of a chain of the auxiliary drive; 7 – bolt of 10 N · m; 8 – basic arm of an intermediate asterisk; 9 – chain of auxiliary drives; 10 – bent shaft; 11 – leading asterisk of the auxiliary drive; 12 – bolt of 62 N · m



Removal
Put the device for pumping of oil under the engine and merge engine oil.
Remove the engine.
Disconnect the engine from the transmission.
Leave the engine on a lifting table or fix it at the adjusting stand.
Uncover drive chains.

Fig. 2.453. Fixing of a natyazhitel drill


Move a level of an uspokoitel of a natyazhitel of a driving chain in the direction of an arrow and record a natyazhitel of a chain a drill with a diameter of 3,3 mm of poses. 1 (fig. 2.453).

NOTE
If it is necessary to remove an asterisk of auxiliary drives, then before removal of a chain it is necessary to weaken a fixing bolt.

Designate paint the direction of the movement of a chain of auxiliary drives.
Unscrew bolts 2–5 and remove a natyazhitel of a chain.
Remove a chain of auxiliary drives.

Installation
Install components in the return sequence.
Put on a chain of auxiliary drives.
Install a natyazhitel of a chain on the engine, beginning from above.
Establish covers of chains of the drive.
Install the engine.
Fill in engine oil and check its level.

Inhaling moment
Natyazhitel of a chain to the block of cylinders: 10 N · m.
Carving stopper of a masloslivny opening: 50 N · m.


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

2.9.12. An arrangement of inserts of the main bearings on new bent shafts