Opel Vectra B

since 1995 release

Repair and operation of the car

Vektr's Opel of B
+ 1.1. Governing bodies and control devices
+ 2. Maintenance
+ 3. Engines
+ 4. Heating, ventilation
- 5. Fuel system
   - 5.1. Fuel system of petrol engines
      5.1.1. Introduction
      5.1.2. Technical characteristics
      5.1.3. Air filter and inlet channels
      5.1.4. A control system of temperature of the air given to the engine
      5.1.5. Accelerator cable
      5.1.6. Accelerator pedal
      5.1.7. Fuel
      + 5.1.8. System of injection of fuel
      5.1.9. Removal of pressure in fuel system
      5.1.10. Fuel pump
      5.1.11. Fuel level sensor
      5.1.12. Fuel tank
      5.1.13. Throttle case
      5.1.14. Check of system of injection of fuel
      5.1.15. Elements of single-point system of injection of fuel
      + 5.1.16. Elements of multipoint system of injection of fuel
      5.1.17. Inlet collector
      5.1.18. Final collector
      5.1.19. System of production of exhaust gases
   + 5.2. Fuel systems of the diesel engine
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
+ 12. Main malfunctions


5.1.9. Removal of pressure in fuel system



During the work on fuel system it is necessary to take off previously pressure in system.

SOCH engines of 1,6 l

1. Switch off ignition.
2. Uncover the relay block.
3. Take the relay of the fuel pump (the relay of violet color).
4. Start the engine in the idling mode to an engine stop.
5. Remove a weight wire from the accumulator and install the relay in the block of the relay and close a relay block cover.

L DOCH 1.6, 1.8 and 2 engines

On these engines pressure in fuel system can be taken off by the method described above, or as follows.
1. Unscrew a stopper from the valve of removal of pressure and install the corresponding container under the valve.
2. On engines of 1,6 l the valve is located at an end face of the fuel highway (it is specified by an arrow).
3. On l engines 1,8 and 2,0 the valve is located from above the fuel highway (it is specified by an arrow).
4. The screw-driver press a valve zolotnik, at the same time it will come out fuel, and take off pressure in fuel system.
5. Screw a stopper on a head of the valve of removal of pressure.