2008 INFINITI FX35 Service Manual

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Page 2673 of 3924

INFINITI FX35 2008 Service Manual
SPARK PLUG (PLATINUM-TIPPED TYPE)EM-189
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CAUTION:
Do not drop or shock spark plug.
Do not use wire brush for cleaning.
If plug ti

Page 2674 of 3924

INFINITI FX35 2008 Service Manual
EM-190
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FUEL INJECTOR AND FUEL TUBE
FUEL INJECTOR AND FUEL TUBE
ComponentINFOID:0000000001325784
Refer to
GI-8, "Component" for symbols in the figure.
CAUTION:
Do no

Page 2675 of 3924

INFINITI FX35 2008 Service Manual
FUEL INJECTOR AND FUEL TUBEEM-191
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3. Disconnect fuel feed hose on engine side as follows: (Perform
same procedure for the side of cent

Page 2676 of 3924

INFINITI FX35 2008 Service Manual
EM-192
< SERVICE INFORMATION >[VK45DE]
FUEL INJECTOR AND FUEL TUBE
To keep clean the connecting
portion and to avoid dam-
age and foreign materials, cover them completely with
plastic bags or som

Page 2677 of 3924

INFINITI FX35 2008 Service Manual
FUEL INJECTOR AND FUEL TUBEEM-193
< SERVICE INFORMATION > [VK45DE]
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When handling new O-rings, be careful of the following caution.
CAUTION:
Handle O-ring with bare

FUEL INJECTOR AND FUEL TUBEEM-193
< SERVICE INFORMATION > [VK45DE]
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When handling new O-rings, be careful of the following caution.
CAUTION:
Handle O-ring with bare hands. Do not wear gloves.
Lubricate O-ring with new engine oil.
Do not clean O-ring with solvent.
Make sure that O-ring an d its mating part are free of foreign material.
When installing O-ring, be careful not to scratch it with tool or fingernails. Also be careful not
to twist or stretch O-ring. If O-ring was stretc hed while it was being attached, do not insert it
quickly into fuel tube.
Insert new O-ring strai ght into fuel tube. Do not decenter or twist it.
Insert fuel feed damper straight into fuel tube (RH).
Tighten mounting bolts evenly in turn.
After tightening mounting bolts, make sure that there is no gap between flange and fuel tube (RH).
2. Install new O-rings to fuel injector paying attention to the following caution. CAUTION:
Upper and lower O-ring are different . Be careful not to confuse them.
Handle O-ring with bare hands. Never wear gloves.
Lubricate O-ring with new engine oil.
Do not clean O-ring with solvent.
Make sure that O-ring and its mating part are free of foreign material.
When installing O-ring, be careful not to scratch it with tool or fingernails. Also be careful not to
twist or stretch O-ring. If O-ring was stretche d while it was being attached, do not insert it
quickly into fuel tube.
Insert O-ring straight into fuel in jector. Do not decenter or twist it.
3. Install fuel injector to fuel tube as follows:
a. Insert clip into clip mounting groove on fuel injector. Insert clip so that “protrusion A” of fuel injector matches “cut-
out A” of clip.
CAUTION:
Do not reuse clip. Replace it with a new one.
Be careful to keep clip from interfering with O-ring. If
interference occurs, replace O-ring.
b. Insert fuel injector into fuel tube with clip attached. Insert it while matching it to the axial center.
Insert fuel injector so that “p rotrusion B” of fuel tube matches
“cutout B” of clip.
Make sure that fuel tube flange is securely fixed in flange fixing
groove on clip.
c. Make sure that installation is complete by checking that fuel injector does not rotate or come off.
Make sure that protrusions of fuel injectors are aligned with
cutouts of clips after installation.
4. Install spacers on intake manifold (lower).
5. Install fuel tube and fuel injector assembly to intake manifold (lower). CAUTION:
Be careful not to let tip of injector nozzle come in contact with other parts.
Fuel tube side : Black
Nozzle side : Green
PBIC2545E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2678 of 3924

INFINITI FX35 2008 Service Manual
EM-194
< SERVICE INFORMATION >[VK45DE]
FUEL INJECTOR AND FUEL TUBE
Tighten mounting bolts in two steps in numerical order as
shown in the figure.
6. Connect fuel feed hose on engine side as follows

EM-194
< SERVICE INFORMATION >[VK45DE]
FUEL INJECTOR AND FUEL TUBE
Tighten mounting bolts in two steps in numerical order as
shown in the figure.
6. Connect fuel feed hose on engine side as follows: (Unless otherwise indicated, the installation to the engine side and centralized under-floor piping side is exactly alike.)
a. Make sure no foreign substances are deposited in and around fuel tube and quick connector, and no dam- age on them.
b. Thinly apply new engine oil around fuel tube from tip end to spool end.
c. Align center to insert quick connector straightly into fuel tube. Engine side:
Insert fuel tube into quick connector until top spool is com-
pletely inside quick connector, and 2nd level spool exposes
right below quick connector.
CAUTION:
Hold “A” position as shown in the figure when inserting
fuel tube into quick connector.
Carefully align center to avoid inclined insertion to pre-
vent damage to O-ring inside quick connector.
Insert until you hear a “click” sound and actually feel the
engagement.
To avoid misidentification of engagement with a si milar sound, be sure to perform the next step.
Centralized under-floor piping side:
Visually confirm that the two retainer tabs are connected to the connector.
CAUTION:
Carefully align center to avoid inclined insertion to prevent dama ge to O-ring inside quick con-
nector.
Insert until you hear a “click” soun d and actually feel the engagement.
To avoid misidentification of engagement with a si milar sound, be sure to perform the next step.
d. Pull quick connector by hand holding position. Make su re it is completely engaged (connected) so that it
does not come out from fuel tube.
e. Install quick connector cap on quick connector connection. CAUTION:
If cap cannot be installed smoothly, quick connector may
have not been installed corr ectly. Check connection again.
f. Install fuel feed hose to hose clamps.
7. Install in the reverse order of removal after this step.
INSPECTION AFTER INSTALLATION
Check on Fuel Leakage
1. Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leakage at connection points.
NOTE:
Use mirrors for checking at points out of clear sight.
A : Right bank
B : Left bank
: Engine front
1st step : 10.1 N·m (1.0 kg-m, 7 ft-lb)
2nd step : 23.5 N·m (2.4 kg-m, 17 ft-lb)
PBIC3303E
KBIA0272E
SBIA0354E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2679 of 3924

INFINITI FX35 2008 Service Manual
FUEL INJECTOR AND FUEL TUBEEM-195
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2. Start engine. With engine speed increased, check again for fuel leakage at connection points.
CAU

Page 2680 of 3924

INFINITI FX35 2008 Service Manual
EM-196
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ROCKER COVER
ROCKER COVER
ComponentINFOID:0000000001325786
Removal and InstallationINFOID:0000000001325787
REMOVAL
1. Remove engine cover with power tool. Refer

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