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
- 7. A fuel and exhaust system of models with system of injection of fuel
   7.2. General information
   7.3. Check of system of injection of fuel
   7.4. Air filter
   7.5. Air chamber
   7.6. The control unit in temperature of air arriving in the engine
   7.7. The sensor of temperature of air arriving in the engine
   7.8. Pressure removal in fuel system
   7.9. The fuel filter on models with the fuel pump out of a fuel tank
   7.10. The fuel filter on models with the pump in a fuel tank
   7.11. Check of the fuel pump
   7.12. The fuel pump established out of a fuel tank
   7.13. The fuel pump established in a fuel tank
   7.14. Replacement of the relay of the fuel pump
   7.15. Pipe of a toplivozalivny mouth
   7.16. Fuel tank
   7.17. Fuel level sensor
   7.18. Quencher of fluctuations of fuel
   7.19. Accelerator cable
   7.20. Check and adjustment of a fuel mix on idling turns
   7.21. Regulator of pressure of fuel
   7.22. Regulator of turns of idling
   7.23. Sensor of provision of a butterfly valve
   7.24. Potentiometer of provision of a butterfly valve
   7.25. Measuring instrument of a stream of air
   7.26. Measuring instrument of weight of a stream of air
   7.27. Tape measuring instrument of weight of a stream of air
   + 7.28. Fuel nozzles (except Multec)
   7.29. Fuel nozzle (Multec system)
   7.30. Check of a fuel nozzle (Multec system)
   - 7.31. The throttle case (except Multec system)
      7.31.2. DOHC engines
   7.32. Throttle case (Multec system)
   7.33. Step-by-step engine of management of supply of air (idling turns)
   7.34. Potentiometer of provision of a butterfly valve
   7.35. Electronic control device (ECU)
   7.36. Sensor of a detonation and module (X16 SZ models)
   7.37. Sensor detonations (Simtec system)
   7.38. An inlet collector (the SOHC engine without Multec)
   7.39. An inlet collector (the SOHC engine with Multec)
   7.40. Inlet collector (DOHC models)
+ 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


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7.31.2. DOHC engines

Removal

Arrangement of an arm of support of a fuel hose on the left side of the throttle case on the DOHC models

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. Weaken a collar, a fixing main air branch pipe to the left side of a measuring instrument of a stream of air.
3. Unscrew four bolts, fixing the heater block to the throttle case. Separate the heater block from the throttle case, then remove a hose from the lower part of the block and take the heater block from a motor compartment.
4. Disconnect the electric socket from the sensor of provision of a butterfly valve.
5. Unscrew a nut and remove an arm of support of a fuel hose on the left side of the throttle case (see drawing).
6. Remove an accelerator cable from the butterfly valve lever.
7. Disconnect a hose of ventilation of a case from the throttle case.
8. Disconnect a vacuum pipe from the top part of a regulator of pressure of fuel.
9. Check that all hoses, pipes and electric sockets are disconnected from the throttle case.
10. Unscrew four nuts and remove the throttle case from an inlet collector. Remove laying of the case of a throttle.
11. If necessary remove from the throttle case the sensor of provision of a butterfly valve.
12. Do not try to regulate draft of a butterfly valve independently. If draft of a butterfly valve is faulty, make repair in a specialized workshop of Opel.

Installation

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal taking into account the next moments.
2. If acted in film, establish the sensor of provision of a butterfly valve.
3. Establish the throttle case with new laying.
4. Check correctness and reliability of connection of hoses, pipes and electric sockets.
5. If necessary, adjust an accelerator cable.