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J855510 Injectors, Replace (Z 18 XE, with Air
Conditioning, LHD)
 Remove
| 2. |
Disconnect battery
Note: In vehicles from
model year 04 onwards with ESP - the steering angle sensor loses
its basic adjustment each time the battery is disconnected and must
be recalibrated.
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| 3. |
Remove engine cover.
| • |
Unscrew oil filler pipe cap
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| • |
Screw on oil filler pipe cap
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| 4. |
Detach intake hose (1) from throttle valve module and hot film
mass air flow meter
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Detach engine vent hose (2)
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| 5. |
Remove wiring harness for engine management
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Disconnect 3 wiring harness plugs
| – |
Catalytic converter control oxygen sensor (1), oil pressure
switch (2), crankshaft sensor (3)
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| 7. |
Disconnect camshaft sensor wiring harness plug
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Disconnect wiring harness plug
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| 8. |
Remove ground cable (1)
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From alternator shackle
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Important: Observe safety
precautions and national regulations
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| 9. |
Release fuel pressure with KM-J-34730-91 on fuel distributor pipe
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Unscrew test connection protective cap
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| 10. |
Remove fuel line
| • |
From fuel distributor pipe
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| 11. |
Detach engine vent hose from cylinder head cover
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| 12. |
Remove wiring harness for engine management
| • |
Disconnect 9 wiring harness plugs
| – |
Throttle valve adjuster (8), engine control unit (4), knock
sensor (6), combination plug (7), EGR valve (3), ignition module
(2), mixture regulation heated oxygen sensor (1), coolant
temperature sensor (arrow)
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| • |
Detach ground cable (5)
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Remove wiring trough
| – |
Unscrew from engine transport shackle
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| • |
Set wiring harness to one side
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| 13. |
Remove fuel distributor pipe
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Unscrew 2 bolts (arrows)
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Pull out fuel distributor pipe with injectors and engine
management wiring harness
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| 14. |
Detach plug strip for injectors
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Remove plug strip for injectors
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| 15. |
Detach 4x injectors
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Detach 4x retaining clamps (1)
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Install
| 16. |
Replace 8x seal rings, injectors (2)
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Coat seal rings with engine oil
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| 17. |
Clean sealing surfaces, intake manifold
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| 18. |
Attach injectors
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Attach 4 retaining clamps
Note: Pay attention to
installation position
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| 19. |
Attach plug strip for injectors
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| 20. |
Install fuel distributor pipe
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Connect fuel distributor pipe with injectors and engine
management wiring harness
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| 21. |
Attach wiring harness for engine management
| • |
Connect 8x wiring harness plugs
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| 22. |
Attach engine vent hose
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| 24. |
Connect wiring harness plug from camshaft sensor
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| 25. |
Connect ground cable.
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| 27. |
Attach wiring harness for engine management
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Connect 3 wiring harness plugs
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| 29. |
Install intake hose
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Attach engine vent hose
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| • |
Connect 2 wiring harness plugs
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| 30. |
Install engine cover.
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Unscrew oil filler pipe cap
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Screw on oil filler pipe cap
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| 32. |
Calibrate steering angle sensor
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Rotate the steering wheel one time from its right-hand to its
left-hand stop
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| 33. |
Program volatile memories
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