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
2.6.1. Removal and installation turbocharger
2.6.2. Removal and installation of the vacuum block turbocharger
2.6.3. Adjustment of the vacuum block turbocharger (турбонагнетатель it is removed)
2.6.4. The general instructions on self-diagnostics of system of injection
2.6.5. Decrease in a high pressure of fuel
2.6.6. Removal and installation of a flowmeter of air
2.6.7. Removal and installation of an inlet collector from a fuel stage
2.6.8. Removal and installation of a fuel stage (Rail)
2.6.9. Removal and installation of atomizers
2.6.10. Check of pressure of fuel and residual pressure in front of the high pressure pump
2.6.11. Check of residual pressure
2.6.12. Removal and installation of the pump of a high pressure
2.6.13. Replacement of the block of management of the engine
2.6.14. Removal and ljambda-probe installation in front of the catalyst
2.6.15. Removal and installation a ljambda-probe after the catalyst
2.6.16. A fuel tank (front-wheel cars – all models with engines MPI and 2,0 l FSI)
2.6.17. Откачка fuel from a tank
2.6.18. Removal and installation of a fuel tank from hinged details
2.6.19. Electric check of the fuel pump
2.6.20. Check of quantity of fuel submitted the fuel pump (cars with 4 cylinder engine with a free admission)
2.6.21. Check of quantity of fuel submitted the fuel pump (атомобили with the engine of 1,8 l Turbo)
2.6.22. Check of quantity of fuel submitted the fuel pump (атомобили with 4 cylinder engine FSI)
2.6.23. Check of quantity of fuel submitted the fuel pump (cars with 6 cylinder engine MPI)
2.6.24. Removal and installation of knot of giving of fuel
2.6.25. A fuel tank (all-wheel drive cars till 10.04)
2.6.26. Откачка fuel from a tank
2.6.27. Removal and installation of knot of a pedal of an accelerator from gauges of position of a pedal
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
 







2-6-1-snyatie-i-ustanovka-turbonagnetatelya.html

2.6.1. Removal and installation turbocharger

Remove

Fig. 2.54. An engine casing


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

Fig. 2.217. Fastening of the heat-shielding screen


Remove the heat-shielding screen (fig. 2.217).
Turn off a ventilation tube картера the engine from turbocharger 1.

Fig. 2.218. Турбонагнетатель and a ventilation tube картера


Disconnect a ventilation hose картера the engine from cover ГБЦ 2 and uncover (fig. 2.218).
Disconnect an absorber highway to турбонагнетателю from cover ГБЦ 3.
Turn off an oil submitting highway from turbocharger 4.
Remove the catalyst.
Turn off submitting water hose from turbocharger.

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).
Where are available, loosen the quick disconnect муфты 3 and remove back шумоизоляционный the screen.

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 to интеркулеру from a framework of a radiator 2.

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).

Fig. 2.102. A tube of a cooling liquid


Disconnect a tube of a cooling liquid (fig. 2.102).

Fig. 2.219. Bolts of fastening of a water pipe


Turn off a water pipe 1 (at presence) from ГБЦ (fig. 2.219).

THE NOTE
Nuts of a tightening lath can to be turned off.

Turn off the top nuts.
Take турбонагнетатель and a final collector upwards.

Installation
Installation is carried out in return sequence.

THE NOTE
Linings, sealing rings and self-stopped nuts it is necessary replace.

Fill in in турбонагнетатель engine oil through a connecting branch pipe for submitting маслопровода.
Hoses and шланговый unions of system of pressurisation of air should be cleared before installation of oils and greasing.
For fastening of all connections of hoses use collars of a corresponding series.
Establish final system and to level it freely.
Fill in cooling liquid.
Check up oil level.

THE NOTE
After installation turbocharger leave the engine to work on single turns (do not increase turns) within 1st minute that be convinced of oil giving in турбонагнетатель.

The inhaling moments
* Replace a bolt or a nut.
** Grease adjusting pins of a final collector or a carving of a ljamda-probe with thermosteady paste.


2.6. Injection system

2.6.2. Removal and installation of the vacuum block turbocharger