Opel Vectra A

since 1988-1995 release

Repair and operation of the car

Vektr's Opel And
+ 1. Maintenance instruction
+ 1.1 Maintenance
+ 2. Engine
+ 3. Repair of DOHC engines
+ 4. Repair of the diesel engine
+ 5. Cooling system
- 6. Fuel system
   6.2. General information
   6.3. Air filter
   6.4. The block of adjustment of temperature of the air coming to the engine
   6.5. Check of the fuel pump
   6.6. Removal and installation of the fuel pump
   6.7. Fuel tank
   6.8. Fuel level sensor
   6.9. Separator of vapors of fuel (l models 1,6 and 1,8)
   6.10. Accelerator pedal
   6.11. Accelerator cable
   6.12. Carburetor
   6.13. Removal and installation of the carburetor
   6.14. Adjustment of turns of idling and contents WITH
   6.15. Needle and float
   6.16. Vacuum diaphragm of a butterfly valve of the secondary camera
   6.17. Economizer diaphragm
   6.18. Accelerating pump
   6.19. Knot of the air automatic gate
   + 6.20. Vacuum blocks of movement of the air automatic gate
   6.21. Carburetor filter
   6.22. Adjustment of the shock-absorber of a butterfly valve
   6.23. Sensor of provision of a butterfly valve (automatic transmission)
   6.24. Valve check of increase in turns of idling
   6.25. The electromagnetic valve of idling on models of 1,8 l
   6.26. Inlet collector
+ 7. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 11. Transmission
+ 12. Mechanical transmission
+ 13. Automatic transmission
+ 14. Power shafts
+ 15. Brake system
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions

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6.18. Accelerating pump


Adjustment of productivity of the accelerating pump, "+" to increase, "-" to reduce

1. When checking operability of the accelerating pump it is necessary to give to the float-operated camera fuel from the additional tank.
2. Mount primary camera of the carburetor over a volumetric glass. Completely open ten times and close a throttle the ny gate, and you make opening of the gate within one second then return the gate to a starting position and in three seconds repeatedly open it. Check that the cam of the accelerated turns of idling did not limit movement of a butterfly valve.
3. Measure amount of fuel which the accelerating pump gave to a volumetric glass, and compare these data with technically ми characteristics.
4. If adjustment is required, weaken the screw of fastening and turn a cam in the required direction then tighten the screw and repeatedly check productivity of the accelerating pump (see rice. Adjustment of productivity of the accelerating pump).


1. Remove a weight wire from the accumulator.
2. On early models remove the air filter. On later models disconnect the air duct from the air filter, then disconnect a vacuum pipe and a hose of ventilation of a case from an air chamber. Unscrew three screws and remove an air chamber together with an air duct.
3. Clear the external surface of the accelerating pump.
4. Unscrew four screws and uncover the accelerating pump, a diaphragm, a spring, a support of a spring and the valve.


Elements of the accelerating pump

1 – a cover with a control lever;
2 – diaphragm;
3 – spring;
4 – valve;
5 – an opening for air

1. Clear the interfaced surfaces of a cover of the accelerating pump and the case of the carburetor.
2. Check a condition of the valve of the accelerating pump and, if necessary, replace it.
3. Install the valve, a support of a spring and a spring in the carburetor case. Big diameter the spring has to be to a napravla on to the carburetor.
4. Install a diaphragm and a cover of the accelerating pump in the carburetor case. Gradually and evenly screw up screws of fastening of a cover of the accelerating pump not to deform a diaphragm (see rice. Elements of the accelerating pump).
5. Further installation is made in the sequence, the return to removal.