Opel Vectra A

since 1988-1995 of release

Repair and car operation

Vektr A. Opel
+ 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 air arriving in 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 паров fuels (l model 1,6 and 1,8)
   6.10. Accelerator pedal
   6.11. Accelerator cable
   6.12. Carburetor
   6.13. Removal and carburetor installation
   6.14. Adjustment of turns of idling and the contents WITH
   6.15. Needle and float
   6.16. Vacuum diaphragm of a butterfly valve of the secondary chamber
   6.17. Diaphragm of an ekonomayzer
   6.18. Accelerating pump
   6.19. Knot of an air automatic zaslonka
   - 6.20. Vacuum blocks of moving of an air automatic zaslonka
      6.20.2. Vacuum moving
      6.20.3. Solenoid of secondary moving
   6.21. Carburetor filter
   6.22. Adjustment of the shock-absorber of a butterfly valve
   6.23. Sensor of provision of a butterfly valve (an automatic transmission)
   6.24. Check of the valve of increase in turns of idling
   6.25. The electromagnetic valve of idling on models of 1,8 l
   6.26. Inlet collector
+ 7. A fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of fall of toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrosystems
+ 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


6.20. Vacuum blocks of moving of an air automatic zaslonka

6.20.1. Main diafragmenny block


At installation of the diafragmenny block it is necessary to use a new star-shaped bracket.


1. Remove a weight wire from the accumulator.
2. On early models remove the air filter. On later models disconnect an air pipe from the air filter, then disconnect a vacuum pipe and a hose of ventilation of a case from the air chamber. Unscrew three screws and remove the air chamber together with an air line.
3. Disconnect vacuum hoses from the main diafragmenny block.
4. Using a drift, beat out цилиндричес a cue a pin, the fixing main diafragmenny block to the top cover of the carburetor.
5. Note the provision of adjusting labels of a bimetallic casing, and at their absence put labels which are necessary for using for simplification of installation. Unscrew three screws and remove a bimetallic casing. Move a casing aside, thus do not deform hoses of supply of cooling liquid and electroconducting of a heater of a zaslonka.
6. Unscrew three screws, zaslonka fixing knot to the case of the carburetor and lower zaslonka knot down, without disconnecting draft of a zaslonka.
7. Remove the star-shaped bracket, fixing the main diafragmenny block to a cover of the carburetor and remove the main diafragmenny block.


1. Installation is made in sequence, return to removal. At установ ке use a new star-shaped bracket of fastening of the main diafragmenny block. Before installation of the air chamber on the top part of the carburetor check, and if necessary, adjust vacuum moving.