Opel Omega

since 1993-1999 release

Repair and operation of the car


Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
+ 4. Heating system and ventilation
- 5. Fuel, exhaust systems
   - 5.1. Petrol engines
      5.1.1. Technical characteristics
      5.1.2. Unleaded gasoline
      5.1.3. Systems of injection of fuel
      5.1.4. Air filter and air branch pipes
      5.1.5. Accelerator rope
      5.1.6. Accelerator pedal
      5.1.7. Release of pressure from system of injection of fuel
      5.1.8. Fuel pump
      5.1.9. Fuel level sensor
      5.1.10. Fuel tank
      5.1.11. Case of a butterfly valve
      + 5.1.12. Elements of system of injection of fuel (2,0 l engine)
      5.1.13. Inlet collector
      5.1.14. Final collector
      5.1.15. Multiline system of air supply
      5.1.16. System of production of the fulfilled gases
      + 5.1.17. Systems of decrease in toxicity of exhausts
   + 5.2. 2,0 liters diesel engine
   + 5.3. Diesel V6 engine of 2,5 liters
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment


785173a6

5.1.11. Case of a butterfly valve

MODELS WITH THE SOHC ENGINE OF 2,0 L

Removal

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Disconnect an air branch pipe from the case of a butterfly valve and the air filter and remove a branch pipe.
3. Disconnect a rope of an accelerator and remove a fixing arm of a rope from an inlet collector.
4. Press water hoses and disconnect them from the case of a butterfly valve. Disconnect connection sockets.
5. Disconnect vacuum and ventilating hoses. Turn off fixing nuts and remove the case of a butterfly valve.

Installation

Installation is carried out to the sequences, the return to removal.

MODELS WITH THE DOHC ENGINE OF 2,0 L

Removal

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator. Release pressure from a power supply system.
2. Disconnect sockets of connection of the sensor of air temperature and the sensor of a stream of air (it is specified by an arrow).
3. Disconnect an air hose from a cover of a head of the block of cylinders.
4. Release collars and remove an airintaking branch pipe.
5. Disconnect an accelerator rope.
6. Turn off a nut of connection (A), then turn off a fixing bolt of a tube (B). Disconnect a tube of supply of fuel and remove a fixing arm.
7. Press water hoses, release fixing collars and disconnect hoses (are specified by shooters).
8. Disconnect the remained sockets of connection and vacuum hoses, turn off fixing nuts and remove the case of a butterfly valve.

Installation

Installation is carried out to the sequences, the return to removal.

2,5 AND 3,0 L ENGINES

Removal

PERFORMANCE ORDER
1. Remove the top section of an inlet collector.
2. Turn off fixing bolts and remove the case of a butterfly valve.

Installation

PERFORMANCE ORDER
Installation is carried out to the sequences, the return to removal. Replace sealing rings.