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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2.6.10. Check of pressure of fuel and residual pressure in front of the high pressure pump

Conditions of carrying out of tests
The minimum pressure АКБ 12,5 Century

Fig. 2.227. The block of safety locks


The safety lock in колодке safety locks should be serviceable (a nest 28) (fig. 2.227).
The fuel filter should be in good repair.
The fuel tank should be filled not less than on 1/4.

Procedure for test
Switch off ignition.
Limousine
Remove a luggage carrier upholstery.
To cast away if necessary the right back of a back seat forward.
Avant
Remove a back, 1/3 at the left.
Remove a luggage carrier covering sideways at the left and грязеприемную a bath.
All cars

Fig. 2.241. Fastening of a cover of a deaf flange


Turn off a cover of a deaf flange (fig. 2.241).

Fig. 2.242. Electric штекерное connection on a deaf flange


Disconnect electric штекерное connection on a deaf flange (fig. 2.242).
Connect remote control with адаптерным a cable by means of an auxiliary wire from a set of auxiliary measuring means to contact 1.
Stick 2nd contact of the tip адаптерного a cable with an insulating tape for short circuit prevention.
Connect contact 4 by means of an auxiliary wire from a set of auxiliary gauges to weight of a body.
Connect токосъемную the plug to АКБ the car (on plus).
Turn off a cover of a jellied mouth of a fuel tank.

Fig. 2.54. An engine casing


Remove a protective cover of the engine (fig. 2.54).
Disconnect submitting топливопровод.
Connect the device of measurement of pressure with adapters to submitting топливопроводу.

Fig. 2.243. Installation of the device of measurement of pressure with adapters


Put on an auxiliary hose the device of measurement of pressure and lower the second end in a reception vessel (fig. 2.243).
Open запорный the crane of the device of measurement of pressure. The lever shows a course direction.
Ventilate fuel system, for this purpose shortly press the button on a remote control.
Close запорный the crane of the device of measurement of pressure. The lever is established now across a course direction.
Press and do not release the remote control switch until pressure upon the device of measurement of pressure will not cease to grow.
Preset value: прибл. 6 bar (5–7 bar) superfluous pressure.
If the pressure preset value is not reached, check up giving of the electric fuel pump.


2.6.9. Removal and installation of atomizers

2.6.11. Check of residual pressure