Nissan Juke F15. Instruction — part 625
EM-54
< REMOVAL AND INSTALLATION >
[MR FOR NISMO RS MODELS]
FUEL INJECTOR AND FUEL TUBE
FUEL INJECTOR AND FUEL TUBE
Exploded View
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CAUTION:
• Never remove or disassemble parts unless instructed as shown in the figure.
Removal and Installation
INFOID:0000000012197278
WARNING:
EM-8, "Precaution for Handling High Pressure Fuel System"
when working on the
high pressure fuel system.
• Put a “CAUTION: FLAMMABLE” sign in the workshop.
• Be sure to work in a well ventilated area and furnish workshop with a CO
2
fire extinguisher.
• Never smoke while servicing fuel system. Keep open flames and sparks away from the work area.
• To avoid the danger of being scalded, never drain engine coolant when engine is hot.
1.
Holder
2.
Seal ring (white)
3.
Backup ring
4.
O-ring (blue)
5.
Fuel injector
6.
Stud bolt
7.
Fuel rail
8.
Fuel rail insulator
9.
Fuel rail cover
10. Fuel pressure sensor
11. Gasket
A.
To fuel rail connector and fuel tube.
Refer to
.
B.
Comply with the assembly procedure
when tightening. Refer to
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
: Should be lubricated with oil.
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< REMOVAL AND INSTALLATION >
[MR FOR NISMO RS MODELS]
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REMOVAL
1. Release the fuel pressure. Refer to
.
2. Remove front bumper. Refer to
3. Remove charge air cooler. Refer to
.
4. Remove oil level gauge. Refer to
5. Remove intake manifold. Refer to
6. Remove alternator. Refer to
CHG-31, "MR16DDT : Exploded View"
7. Remove oil level gauge guide. Refer to
.
8. Remove fuel rail cover, and then remove fuel rail insulator.
9. Remove fuel tube and fuel rail connector. Refer to
10. Disconnect fuel pressure sensor harness connector.
11. Disconnect fuel injector harness connector.
12. Remove fuel pressure sensor, if necessary.
13. Remove fuel rail.
• Loosen mounting bolts in reverse order as shown in the figure.
CAUTION:
• When removing, be careful to avoid any interference with fuel
injector.
• Use a shop cloth to absorb any fuel leakage from fuel rail.
14. Remove fuel injector from cylinder head as per the following.
CAUTION:
• Be careful with remaining fuel that may go out from fuel
rail.
• Be careful not to damage injector nozzles during removal.
• Never bump or drop fuel injector.
• Never disassemble fuel injector.
a. Remove injector holder.
b. Install an remover [SST: KV10119600 (—)] (A) to the injector
connector side so that cutout (B) of injector remover faces the
injector connector side.
• Hook pawl portion (B) of injector remover [SST: KV10119600
(—)] (A) to groove portion (C) of injector
: Engine front
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EM-56
< REMOVAL AND INSTALLATION >
[MR FOR NISMO RS MODELS]
FUEL INJECTOR AND FUEL TUBE
c.
Press down body portion of injector remover [SST: KV10119600
(—)] (A) until it contacts cylinder head.
d. Tighten injector remover [SST: KV10119600 (—)] clockwise and
remove injector from cylinder head.
e. Cut seal ring (1) while pinching it. Be careful not to damage
injector.
INSTALLATION
CAUTION:
Do not reuse O-rings.
1. After removing fuel pressure sensor, install fuel pressure sensor according to the instructions below:
a. Fix fuel rail in a vice.
CAUTION:
Never scratch or crack fuel rail during work procedure.
b. Apply engine oil to the entire perimeter of the fuel pressure sensor screw.
CAUTION:
Check that fuel rail and fuel pressure sensor screw have no damage, foreign matter, or stains.
c.
Install gasket to fuel pressure sensor.
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FUEL INJECTOR AND FUEL TUBE
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[MR FOR NISMO RS MODELS]
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d. Tighten fuel pressure sensor.
CAUTION:
• Before tightening fuel pressure sensor, securely install a hexagon tool.
• Never use impact applied fuel pressure sensor or gasket, such as dropped.
e. Tighten fuel rail pressure sensor again by using angle wrench [SST: KV10112100] and torque wrench.
(Angle tightening)
CAUTION:
• To check tightening angle, use angle wrench [SST: KV10112100]. Never judge the angle by visual
inspection.
• The torque value for the angle tightening must be 90 N·m (9.2 kg-m, 66 ft-lb) or less.
• If torque value reaches 90 N·m (9.2 kg-m, 66 ft-lb), then replace fuel rail pressure sensor with a
new one.
2. Install seal ring to fuel injector as per the following:
CAUTION:
• Handle seal ring with bare hands. Never wear gloves.
• Never apply engine oil to seal ring.
• Never clean seal ring with solvent.
a. Install an injector seal drift set [SST: KV101197S0 (—)] (A) to
fuel injector (1).
b. Set seal ring (1) to injector seal drift set [SST: KV101197S0 (—)]
(A).
c. Straightly insert seal ring (1), which is set in step 2, to fuel injec-
tor as shown in the figure and install.
CAUTION:
Be careful that seal ring does not exceed the groove portion
of fuel injector.
: 10.0 N·m (1.0 kg-m, 89 in-lb)
: 80
° [(−0°) - (+5°)]
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