Nissan Qashqai J11. Manual — part 116
OIL SEPARATOR
EM-403
< REMOVAL AND INSTALLATION >
[R9M]
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• Loosen mounting bolts in the reverse order as shown in the
figure.
6.
Remove oil separator insulator.
INSTALLATION
1.
Install gaskets to oil separator.
CAUTION:
Check the gasket is not dropped.
2.
Install oil separator.
• Tighten mounting bolts in two steps separately in numerical
order as shown in the figure.
3.
Install in the reverse order of removal, for the rest of parts.
: Engine front
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: Engine front
1st step: 5.0 N·m (0.51 kg-m, 44 in-lb)
2nd step: 10.0 N·m (1.0 kg-m, 7 ft-lb)
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EM-404
< REMOVAL AND INSTALLATION >
[R9M]
INJECTION TUBE AND FUEL INJECTOR
INJECTION TUBE AND FUEL INJECTOR
Exploded View
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Removal and Installation
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REMOVAL
CAUTION:
• Be sure to read “Precautions for Diesel Equipment”. Refer to
EM-364, "Precaution for Diesel Equip-
• Wait until the fuel temperature drops before carrying out any work.
• Order the special high pressure injection circuit plug kit.
• It is forbidden to open an fuel injector. If you open an fuel injector by mistake, you will have to
change it.
NOTE:
It is possible to replace a single injection tube.
1.
Oil separator
2.
Fuel injector spacer
3.
Injection tube (center) bolt
4.
Injection rail protector seal
5.
Cylinder head
6.
Fuel hose
7.
Fuel rail pressure sensor
8.
Injection rail protector seal
9.
Injection rail
10. injection rail bolts
11.
Bracket
12. Injection rail protector seal
13. Clip
14. Fuel hose
15. Fuel injector support bolt
16. Fuel return hose
17. Clip
18. Injector
19. Fuel injector support
20. Injection tube
21. Injection tube (center)
22. Fuel hose
A.
B.
Refer to
C.
To fuel pump
Refer to
for symbols in the figure.
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INJECTION TUBE AND FUEL INJECTOR
EM-405
< REMOVAL AND INSTALLATION >
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1.
Remove the battery. Refer to
PG-155, "Removal and Installation"
.
2.
Remove oil separator. Refer to
.
3.
Remove fuel return hose.
• Move without removing the fuel return hose clip using a flate
bade screwdriver.
4.
Disconnect and remove fuel hose.
5.
Remove fuel collector and injection tube (center).
6.
Remove injection tube (No. 1, 2, 3, 4).
• Put a paint mark or tag on injection tubes to identify each cylinder.
7.
Remove fuel injectors with the following procedure:
a.
Remove fuel injector. While rotating it to left and right, raise it to remove.
• If fuel injector spacer remains in cylinder head, hook it with tip of a flat-bladed screwdriver and pull it out.
CAUTION:
• Handle fuel injector carefully without giving an impact.
• Never disassemble fuel injector.
8.
Remove injection rail and injection rail protector.
9.
CAUTION:
In case of fuel rail pressure sensor fitted with a color ring:
• replacing the sensor is forbidden
• the injector rail must be completely replaced if the fuel rail pressure sensor fails.
10. Plug all the holes in the injection circuit.
INSTALLATION
1.
If an injector is remplaced, not the IMA code and the corresponding cylinder number and perform "injector
adjustement value registration". Refer to
NOTE:
IMA code are from X1 to XN
After connecting the battery programs the injectors using the diagnostic tool.
2.
Install fuel injector, injection tubes and fuel rail with the following procedure:
a.
Install fuel injector spacer to fuel injector, and insert them into cylinder head.
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EM-406
< REMOVAL AND INSTALLATION >
[R9M]
INJECTION TUBE AND FUEL INJECTOR
CAUTION:
• Completely remove any foreign material among fuel injector and cylinder head.
•
b.
Install injection rail, injection tube (center).
• Finger tighten until contact the injection tube nuts.
c.
Install fuel injector support.
CAUTION:
Be sure to fit fuel injector support without looseness.
d.
NOTE:
In case of cylinder head replacement, pre-tighten the fuel injector support bolt and after loosen the fuel
injector support bolt.
Tighten fuel injector support bolt.
e.
Turn 180 degrees clockwise (angle tightening).
f.
Install injection tube (No. 1, 2, 3, 4) in the original position (temporarily).
• Finger tighten until contact the injection tube nuts.
CAUTION:
Never put injection tubes under stress.
g.
Tighten injection rail mounting bolts and all injection tube nuts (specified torque).
3.
Install fuel return hose onto fuel injectors with the following procedure.
• NOTE:
Failure to observe the following procedure may lead to an immobilising default.
• Fit the clip on the fuel return hose.
• Install fuel return hose onto fuel injectors.
• Always carry out a "push-pull" test (1), to check that the fuel
return hose is correctly fitted onto fuel injector.
• Always carry out a "push-pull" test, to check that the fuel return
hose is correctly fitted onto fuel hose.
4.
Install in the reverse order of removal, for the rest of parts.
Inspection
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INSPECTION AFTER INSTALLATION
• When replacing fuel injector, this procedure must be performed. Refer to
EC9-143, "Special Repair Require-
• When replacing fuel injector, note the injector IMA code and the corresponding cylinder number.
NOTE:
IMA codes are from X1 to XN.
- Program the injectors using diagnostic tool.
Pre- tightening fuel injec-
tor support bolt (in case of
cylinder head replace-
ment)
20 Nm (2.0kg-m, 15 ft-lb)
Fuel injector support bolt
7Nm (0.7kg-m, 62 in-lb)
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