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


6.15. Needle and float



At installation of the top cover of the carburetor it is necessary to use new laying. For check of turns of idling and contents WITH in exhaust gases it is necessary to use a tachometer and the analyzer of exhaust gases.


Arrangement of screws of fastening of the top cover of the carburetor

1. Remove a weight wire from the accumulator.
2. On models with the round air filter remove the air filter. On other models disconnect airpro-waters 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. Being careful, clear the external surface of the carburetor.
4. Disconnect the giving fuel hose from the carburetor and close it a suitable stopper.
5. Mark and disconnect hoses of supply of cooling liquid from the case of the air automatic gate and close them traffic jams or enshrine in the top provision for prevention of losses of cooling liquid.
6. Disconnect the electric socket from a gate heater.
7. Disconnect the lower vacuum hoses from the block of movement of the gate.
8. Unscrew four screws fixing the top cover of the carburetor. At the same time remember an arrangement of screws as they have different length (see rice. Arrangement of screws of fastening of the top cover of the carburetor).
9. Remove the top cover of the carburetor and laying.


Measurement of distance of the top provision of a float of X

1. Check adjustment of a float for what establish a carburetor cover vertically so that the needle valve was closed, but the ball of the valve should not be drowned. Measure distance from laying of a cover of the carburetor to the float basis (see rice. Measurement of distance of the top provision of a float of X). If the measured distance does not correspond to demanded, float weight wrong means, and the float needs to be replaced.
2. If necessary, using a punch, beat out a float axis from the basis of the top cover and remove a float and a needle.
3. Check a condition of details of the carburetor and, if necessary, replace them. Check a needle for wear existence. Check tightness of a float on lack of fuel in it.
4. Clear the interfaced surfaces of the case of the carburetor and a cover of the carburetor.


1. Installation is made in the sequence, the return to removal taking into account the next moments.
2. At installation of a cover of the carburetor use new laying.
3. Check that the float and a needle freely moved.
4. Check correctness of connection of all hoses, tubes and electric sockets.
5. Check the level of cooling liquid and, if necessary, bring it to norm. Check and, if necessary, adjust turns of idling and maintenance WITH in exhaust gases.