PRE-RELEASE
Injectors, removing and fitting
| Injectors, removing and fitting |
| To remove |
| 1. |
Open the bonnet
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| 2. |
Disconnect the battery.
Remove the ground cable. |
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| 3. |
Remove the top engine cover
Unscrew the lid on the oil filler connection 2x Unscrew Screw on the lid on the oil filler connection |
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| 4. |
Detach the intake hose (1)
Pull off the cable set connector (4) - Heating conductor-mass air flow sensor Remove the engine ventilation hoses (2) 2x Undo the clamp - from the throttle valve module (3), air filter housing (arrow) 
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| 5. |
Raise the car
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| 6. |
Remove the engine management system cable set at the bottom
4x Pull off the cable set connector - Lambda sensor, catalytic converter (1), oil pressure switch (2), crankshaft position sensor (3), dynamic oil level check (4) Undo the cable set 
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| 7. |
Lower the car
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| 8. |
Undo the camshaft sensor cable set connector
Pull off the cable set connector |
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| 9. |
Remove the ground cable (1)
Unscrew the nut (2) - from the generator bracket Warning: observe safety regulations and country-specific stipulations 
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| 10. |
Lower the fuel pressure
Use 83 94 744 Adapter, fuel pressure gauge Unscrew the test connector protective collar on the fuel rail 
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| 11. |
Remove the fuel line
from the fuel rail Use 83 95 261 Fuel line tool (1) Plug the line 
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| 12. |
Detach the engine ventilation hose
from camshaft cover |
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| 13. |
Remove the engine management system cable set at the top
12x Pull off the cable set connector - compressor (9), coolant temperature sensor (8), air conditioning pressure sensor (10), throttle valves actuator (1), 2x engine control module (2), knock sensor (3), combination connector (4), ignition module (6), fuel regulator lambda sensor (7) Remove the ground cable. Instruction: with the knock sensor cable set connector holder Remove the cable tie Remove the cable duct - unscrew the bolt Put the cable set to one side 
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| 14. |
Remove the fuel rail
2x Undo the bolt (arrows) Undo the cap nut Instruction: pull out with the injectors 
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| 15. |
4x Remove the injectors
4x Remove the clamp (1) 4x Pull out the injector 
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| 16. |
8x Change the injector sealing ring (2)
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| 17. |
4x Fit the injector
Instruction: Moisten the sealing rings with engine oil 4x Put in the injector Important: note the fitting position. The groove in the clamp must engage with the heel on the injector 4x Fit the clamp |
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| 18. |
Fit the fuel rail
Instruction: with the injectors 2x Tighten bolt - Tightening torque 8 Nm Tighten the cap nut - tightening torque 15 Nm |
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| 19. |
Fit the engine management system cable set at the top
Fit the cable duct - tighten the bolt Pull the cable set 12x Fasten the cable set connector Fit the ground cable. Instruction: with the knock sensor cable set connector holder Fasten the cable tie |
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| 20. |
Fit the engine vent hose
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| 21. |
Fit the fuel line
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| 22. |
Connect the camshaft sensor cable set connector
Connect cable set connector Fasten to the holder |
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| 23. |
Fit the ground cable.
Tighten the nut - Tightening torque 15 Nm |
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| 24. |
Raise the car
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| 25. |
Fit the engine management system cable set at the bottom
Pull the cable set 4x Fasten the cable set connector Fasten the cable set |
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| 26. |
Lower the car
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| 27. |
Fit the intake hose
Fit the engine vent hose Connect cable set connector 2x Fasten the clamp - tightening torque 3.5 Nm |
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| 28. |
Fit the top engine cover
Unscrew the lid on the oil filler connection 2x Tighten bolt Screw on the lid on the oil filler connection |
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| 29. |
Connect the battery.
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| 30. |
Program erased memories
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| 31. |
Close the bonnet
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