Nissan Pathfinder (2009 year). Instruction — part 373
ROCKER COVER
EM-41
< ON-VEHICLE REPAIR >
[VQ40DE]
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ROCKER COVER
Exploded View
INFOID:0000000003939497
Removal and Installation
INFOID:0000000003939498
REMOVAL (LH)
1.
Remove the engine room cover using power tool. Refer to
EM-24, "Removal and Installation"
.
2.
Separate engine harness removing their brackets from rocker covers.
3.
Remove harness bracket from cylinder head, if necessary.
4.
Remove the ignition coils. Refer to
EM-40, "Removal and Installation"
.
5.
Remove the PCV hoses from rocker covers.
6.
Remove the oil filler cap from rocker cover (LH), if necessary.
7.
Loosen the rocker cover bolts with power tool in reverse order
as shown.
•
: Front
1.
Oil filler cap
2.
PCV hose
3.
PCV valve
4.
O-ring
5.
Rocker cover (RH)
6.
PCV hose
7.
Rocker cover gasket (RH)
8.
Rocker cover gasket (LH)
9.
Rocker cover (LH)
10. PCV hose
PBIC2905E
AWBIA0729ZZ
2009 Pathfinder
EM-42
< ON-VEHICLE REPAIR >
[VQ40DE]
ROCKER COVER
8.
Remove rocker cover gaskets from rocker covers.
9.
Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).
CAUTION:
Do not scratch or damage the mating surface when cleaning off old liquid gasket.
INSTALLATION (LH)
1.
Apply liquid gasket using Tool to joint part among rocker cover,
cylinder head and camshaft bracket (No. 1) as follows:
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-26, "Recommended Chemical Products and Sealants"
.
NOTE:
The figure shows an example of LH side [zoomed in shows
camshaft bracket (No. 1)].
a.
Apply liquid gasket to joint part of camshaft bracket (a) (No. 1)
and cylinder head.
b.
Apply liquid gasket (b) to the figure (a) squarely.
2.
Install new rocker cover gasket to rocker cover.
3.
Install the rocker cover.
• Check to be sure rocker cover gasket is not dropped from installation groove of rocker cover.
4.
Tighten the rocker cover bolts in two steps in numerical order as
shown.
•
: Front
5.
Install the oil filler cap to rocker cover (LH), if removed.
6.
Install the PCV hose.
• Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.
• When installing, be careful not to twist or come in contact with other parts.
7.
Installation of the remaining components is in the reverse order of removal.
REMOVAL (RH)
1.
Remove the engine room cover using power tool. Refer to
EM-24, "Removal and Installation"
.
2.
Remove the intake manifold collector. Refer to
EM-26, "Removal and Installation"
.
CAUTION:
Perform this step when engine is cold.
3.
Separate engine harness removing their brackets from rocker covers.
4.
Remove harness bracket from cylinder head (RH). Refer to
EM-92, "Removal and Installation"
.
Tool number
: WS39930000 (
—
)
PBIC2474E
1st step
: 1.96 N·m (0.20 kg-m, 17 in-lb)
2nd step
: 8.33 N·m (0.85 kg-m, 74 in-lb)
AWBIA0729ZZ
2009 Pathfinder
ROCKER COVER
EM-43
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[VQ40DE]
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5.
Remove the ignition coils. Refer to
EM-40, "Removal and Installation"
.
6.
Remove the PCV hoses from rocker cover.
7.
Remove the PCV valve and O-ring from rocker cover (RH), if necessary.
8.
Loosen the rocker cover bolts with power tool in reverse order
as shown.
•
: Front
9.
Remove rocker cover gaskets from rocker covers.
10. Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).
CAUTION:
Do not scratch or damage the mating surface when cleaning off old liquid gasket.
INSTALLATION (RH)
1.
Apply liquid gasket using Tool to joint part among rocker cover,
cylinder head and camshaft bracket (No. 1) as follows:
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-26, "Recommended Chemical Products and Sealants"
.
NOTE:
The figure shows an example of LH side [zoomed in shows
camshaft bracket (No. 1)].
a.
Apply liquid gasket to joint part of camshaft bracket (a) (No. 1)
and cylinder head.
b.
Apply liquid gasket (b) to the figure (a) squarely.
2.
Install new rocker cover gasket to rocker cover.
3.
Install the rocker cover.
• Check to be sure rocker cover gasket is not dropped from installation groove of rocker cover.
AWBIA0730ZZ
Tool number
: WS39930000 (
—
)
PBIC2474E
2009 Pathfinder
EM-44
< ON-VEHICLE REPAIR >
[VQ40DE]
ROCKER COVER
4.
Tighten the rocker cover bolts in two steps in numerical order as
shown.
•
: Front
5.
Install new O-ring and PCV valve to rocker cover (RH), if removed.
6.
Install the PCV hose.
• Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.
• When installing, be careful not to twist or come in contact with other parts.
7.
Installation of the remaining components is in the reverse order of removal.
1st step
: 1.96 N·m (0.20 kg-m, 17 in-lb)
2nd step
: 8.33 N·m (0.85 kg-m, 74 in-lb)
AWBIA0730ZZ
2009 Pathfinder
FUEL INJECTOR AND FUEL TUBE
EM-45
< ON-VEHICLE REPAIR >
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FUEL INJECTOR AND FUEL TUBE
Exploded View
INFOID:0000000003939499
Removal and Installation
INFOID:0000000003939500
CAUTION:
Do not remove or disassemble parts unless instructed as shown.
REMOVAL
WARNING:
• 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.
• Do not smoke while servicing fuel system. Keep open flames and sparks away from the work area.
• To avoid the danger of being scalded, do not drain engine coolant when engine is hot.
1.
Remove the intake manifold collector. Refer to
EM-26, "Removal and Installation"
.
CAUTION:
Perform this step when engine is cold.
1.
Fuel tube (RH)
2.
O-ring
3.
Fuel tube (LH)
4.
Clip
5.
O-ring (blue)
6.
Fuel injector
7.
O-ring (brown)
8.
O-ring
9.
Spacer
10. Fuel damper
11. Fuel damper cap
12. Quick connector cap
13. Fuel feed hose
PBIC2957E
2009 Pathfinder
EM-46
< ON-VEHICLE REPAIR >
[VQ40DE]
FUEL INJECTOR AND FUEL TUBE
2.
Disconnect the fuel quick connector on the engine side.
a.
Remove quick connector cap.
b.
With the sleeve side of Tool facing quick connector, install Tool
onto fuel tube.
c.
Insert Tool into quick connector until sleeve contacts and goes
no further. Hold the Tool on that position.
CAUTION:
Inserting the Tool hard will not disconnect quick connector.
Hold Tool where it contacts and goes no further.
d.
Pull the quick connector straight out from the fuel tube.
CAUTION:
• Pull quick connector holding it at the (A) position, as shown.
• Do not pull with lateral force applied. O-ring inside quick connector may be damaged.
• Prepare container and cloth beforehand as fuel will leak out.
• Avoid fire and sparks.
• Be sure to cover openings of disconnected pipes with
plug or plastic bag to avoid fuel leakage and entry of for-
eign materials.
3.
Remove PCV hose between rocker covers (right and left banks).
4.
Disconnect harness connector from fuel injector.
5.
Loosen bolts in reverse order as shown, and remove fuel tube
and fuel injector assembly.
CAUTION:
Do not tilt it, or remaining fuel in pipes may flow out from
pipes.
6.
Remove bolts which connects fuel tube (RH) and fuel tube (LH).
LBIA0090E
Tool number
:
—
(J-45488)
WBIA0295E
PBIC1899E
PBIC2902E
2009 Pathfinder
FUEL INJECTOR AND FUEL TUBE
EM-47
< ON-VEHICLE REPAIR >
[VQ40DE]
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7.
Remove fuel injector from fuel tube as follows:
a.
Carefully open and remove clip.
b.
Remove fuel injector from fuel tube by pulling straight.
CAUTION:
• Be careful with remaining fuel that may leak out from fuel
tube.
• Do not damage injector nozzles during removal.
• Do not bump or drop fuel injectors.
• Do not disassemble fuel injectors.
8.
Disconnect fuel tube (RH) from fuel tube (LH).
9.
Loosen bolts, to remove fuel damper cap and fuel damper, if necessary.
INSTALLATION
1.
Install fuel damper as follows:
a.
Install new O-ring to fuel tube as shown.
• When handling new O-rings, be careful of the following cau-
tion:
CAUTION:
• Handle O-ring with bare hands. Never wear gloves.
• Lubricate new 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 for-
eign material.
• When installing O-ring, do not scratch it with tool or fin-
gernails.
• Do not twist or stretch O-ring. If O-ring was stretched
while it was being attached, allow it to retract before
inserting it into fuel tube.
• Insert new O-ring straight into fuel tube. Do not angle or
twist it.
b.
Install spacer to fuel damper.
c.
Insert fuel damper straight into fuel tube.
CAUTION:
• Insert straight, making sure that the axis is lined up.
• Do not pressure-fit with excessive force.
• Insert fuel damper until (B) is touching (A) of fuel tube.
d.
Tighten bolts evenly in turn.
• After tightening bolts, make sure that there is no gap between fuel damper cap and fuel tube.
2.
Install new O-rings to fuel injector, paying attention to the following.
CAUTION:
• Do not reuse O-rings.
• Upper and lower O-ring are different colors.
PBIC2999E
Reference value
: 130 N (13.3 kg, 29.2 lb)
PBIC2903E
2009 Pathfinder
EM-48
< ON-VEHICLE REPAIR >
[VQ40DE]
FUEL INJECTOR AND FUEL TUBE
• Handle O-ring with bare hands. Never wear gloves.
• Lubricate new 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.
• Do not twist or stretch O-ring. If O-ring was stretched while it was being attached, allow it to
retract before inserting it into fuel tube.
• Insert O-ring straight into fuel injector. Do not angle or twist it.
3.
Install fuel injector to fuel tube.
a.
Insert clip into clip mounting groove on the fuel injector.
• Insert new clip so that protrusion of fuel injector matches cut-
out of clip.
CAUTION:
• Do not reuse clip. Replace it with a new one.
• Do not allow the clip to interfere with the O-ring. If inter-
ference occurs, replace O-ring.
b.
Insert the fuel injector into the fuel tube with the clip attached.
• Insert it while matching it to the axial center.
• Insert fuel injector so that protrusion of fuel tube matches cut-
out of clip.
• Make sure that fuel tube flange is securely fixed in flange fixing
groove on clip.
c.
Make sure that the installation is complete by checking that the
fuel injector does not rotate or come off.
• Make sure that protrusions of the fuel injectors are aligned
with cutouts of clips after installation.
4.
Connect the fuel tube (RH) to the fuel tube (LH), and tighten bolts temporarily.
• Tighten bolts to the specified torque after installing fuel tube and fuel injector assembly.
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 and its mating part are free of foreign material.
• When installing O-ring, be careful not to scratch it with tool or fingernails.
• Do not twist or stretch O-ring. If O-ring was stretched while it was being attached, allow it to
retract before inserting it into fuel tube.
• Insert new O-ring straight into fuel tube. Do not angle or twist it.
5.
Install fuel tube and fuel injector assembly to intake manifold.
CAUTION:
Do not let the tip of the injector nozzle come in contact with other parts.
Fuel tube side
: Blue
Nozzle side
: Brown
PBIC3000E
2009 Pathfinder
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