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
 




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2.6.7. Removal and installation of an inlet collector from a fuel stage

THE NOTE
To get access to atomizers, it is necessary to remove an inlet collector and a fuel stage together with заслонкой movings of a portion of fuel for management of air. (Depending on a variant the different quantity of working operations) can be demanded.
Necessarily replace consolidation of the chamber combustion (teflon) and a sealing ring.

Removal
Remove a protective cover of the engine.
Disconnect all necessary electric штекерные connections.
Remove from an inlet collector the vacuum hose which is passing between an inlet collector and the vacuum pump.

THE NOTE
This vacuum hose and the vacuum pump (it is located behind on a head of the block of cylinders) are established only in cars with an automatic transmission.


Fig. 2.73. The connecting union топливопровода


Disconnect топливопровод (following fuel collect and immediately close all open apertures) (fig. 2.73).

Fig. 2.231. Shlangovye connections


Disconnect шланговые connections from a valve cover (fig. 2.231).
Unscrew both screws 1 and 2 of a pipe of a cooling liquid (fig. 2.231).

Fig. 2.232. Fastening screws маслопровода and pipes of a cooling liquid


Unscrew screws from маслопровода 1 and from a pipe of a cooling liquid 2 (fig. 2.232).
Turn off both топливопровода on the high pressure pump.
Open clips of a hose and remove soaking up hose from the block of management throttle заслонки and from an inlet collector.

Fig. 2.233. Electric штекерное connection of the gauge of pressure of fuel


Disconnect electric штекерное connection 1 from the gauge of pressure of fuel (fig. 2.233).
Remove probe for definition of level of oil and unscrew the screw 2 directing probeа oil level (fig. 2.233).

Fig. 2.234. The screw маслопровода


Unscrew the screw 1 маслопровода (fig. 2.234).
Unscrew a fixing nut of a branch pipe of an inlet collector (if necessary also remove the block of management throttle заслонки).

Fig. 2.235. The screw of the holder of an inlet collector and directing probeа oil level


Separate in a separation place directing probeа level of oil 2 and turn off the screw of 1 holder of an inlet collector (fig. 2.235).
Unscrew all screws of an inlet collector.
Cautiously remove an inlet collector together with a fuel stage from a head of the block of cylinders.

THE NOTE
Atomizers can remain in a fuel stage.

Installation
Installation is carried out in return sequence.

The inhaling moments


2.6.6. Removal and installation of a flowmeter of air

2.6.8. Removal and installation of a fuel stage (Rail)