BMW:: 5th E28/E34 series:: Removal of pressure in system of injection of fuel

1. Cars of the BMW 5-brand of a series
2. Engine
3. Cooling system
4. Power supply system
- 4.1. General information
- 4.2. Removal of pressure in system of injection of fuel
- 4.3. Check of pressure of fuel / fuel pump
- 4.4. Removal and installation of the fuel pump, intermediate pump and fuel level sensor
- 4.5. Repair and replacement of fuel lines and connectors
- 4.6. Removal and installation of the fuel tank
- 4.7. General information about cleaning and repair of the fuel tank
- 4.8. Removal and installation of the air cleaner
- 4.9. Check, adjustment and replacement of a cable of an accelerator
- 4.10. General information about the carburetor
- 4.11. Removal and installation of the carburetor
- 4.12. Cleaning and adjustment of the carburetor
- 4.13. General information about fuel injection
- 4.14. Systems of injection of fuel
- 4.15. Check of functioning of system of injection of fuel
- 4.16. Functioning check, removal and installation of the measuring instrument of a stream of air
- 4.17. Functioning check, removal and installation of the case of a throttle
- 4.18. Check of functioning and replacement of the regulator of pressure of fuel
- 4.19. Check of functioning and replacement of an injector of cold start and temperature switch
- 4.20. Check of functioning and replacement of fuel injectors
- 4.21. Functioning check, adjustment and replacement of the air valve of stabilization of idling
- 4.22. Search of malfunctions of system of injection of fuel
- 4.23. Diagnostics of malfunctions of a power supply system
5. System of ignition
6. Control systems of the engine and decrease in toxicity of the fulfilled gases
7. System of production of the fulfilled gases
8. Coupling
9. Manual Box of Gear Shifting (MBGS) and automatic transmission (AT)
10. Transmission line
11. Steering and suspension bracket
12. Brake system
13. Body
14. Control body sizes
15. Heater and conditioner of air
16. System of onboard electric equipment
17. Routine maintenance of the car
18. Size table and adjusting data
19. Schematic electric circuits
20. Governing bodies and methods of operation
21. System of onboard diagnostics - the principle of functioning and codes of malfunctions

4.2. Removal of pressure in system of injection of fuel

Fuel is extremely flammable therefore, working with any part of fuel system, take additional precautionary measures. You do not smoke and do not allow emergence of naked flame or lamps without plafonds near a working zone. Also do not work in a garage where the equipment on natural gas with a match is used.

PERFORMANCE ORDER

Take a safety lock of a chain of the fuel pump from the panel of safety locks.

If on a cover of the panel of safety locks there is no information on an exact arrangement of a safety lock of the fuel pump, address the management on the car.

Start the engine and wait until it stops. Switch off ignition.
Uncover a jellied mouth to take off pressure in the fuel tank.
Now pressure in fuel system is taken off.

To prevent hit of the remains of fuel on the engine, before a detachment of fuel lines spread out around them rags.

Before work with any part of system disconnect a negative wire from the rechargeable battery.

If the radio receiver on your car is equipped with system of protection against stealing, before a detachment of the rechargeable battery be convinced that the correct code of reduction of system in action is known. Before a detachment of a wire address the Section System of Protection of the Audio System from theft and language of an instrument guard.

If after connection of the battery on the display of the control panel the message in other language appears, then for the procedure of installation of language address the Section System of Protection of the Audio System from theft and language of an instrument guard.