Nissan Pathfinder (2009 year). Instruction — part 389
INTAKE MANIFOLD
EM-169
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7.
Disconnect the fuel tube quick connector on the engine side.
• Perform the following steps to disconnect the quick connector
using Tool.
a.
Remove quick connector cap (engine side only).
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 in that position.
CAUTION:
Inserting the Tool hard will not disconnect quick connector.
Hold Tool where it contacts and goes no further.
d.
Draw and pull out quick connector straight from fuel tube.
CAUTION:
• Pull quick connector holding (A) position in illustration.
• 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 foreign materials.
8.
Remove or disconnect harnesses, brackets, vacuum hose, vacuum gallery and PCV hose and tube from
intake manifold.
9.
Remove electric throttle control actuator by loosening bolts diagonally.
CAUTION:
• Handle carefully to avoid any damage to the electric throttle control actuator.
• Do not disassemble.
10. Remove the fuel injectors and fuel tube assembly. Refer to
EM-182, "Removal and Installation"
.
11. Loosen the bolts in reverse order shown using power tool.
12. Remove the intake manifold.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
• Clean all gasket mating surfaces, do not reuse gaskets.
LBIA0395E
Tool number
: 16441 6N210 (J-45488)
SBIA0354E
WBIA0604E
KBIA2462E
2009 Pathfinder
EM-170
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[VK56DE]
INTAKE MANIFOLD
INSTALLATION
Installation is in the reverse order of removal.
• Tighten the intake manifold bolts in numerical order as shown.
• Install the EVAP canister purge control solenoid valve connector with it facing front of engine.
• Tighten the electronic throttle control actuator bolts of the electric throttle control actuator equally and diago-
nally in several steps.
• After installation perform inspection after installation.
• Install the water hose so that its overlap width for connection is between 27 mm (1.06 in) and 32 mm (1.26
in) (target: 27 mm 1.06 in).
Connecting Quick Connector of Fuel Tube
Install quick connector as follows (the steps are the same for quick connectors on both engine side and vehi-
cle side except for the quick connector cap).
1.
Make sure no foreign substances are deposited in and around tube and quick connector, and they are not
damaged.
2.
Thinly apply new engine oil around the fuel tube from tip end to the spool end.
3.
Align center to insert quick connector straight into fuel tube.
• Insert until the paint mark for engagement identification (white)
goes completely inside quick connector so that you cannot see
it from the straight side of the connected part. Use a mirror to
check this where it is not possible to view directly from the
straight side, such as quick connector on vehicle 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 on engine side.
CAUTION:
• Hold (A) position in illustration 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 similar
sound, be sure to perform the next step.
4.
Pull quick connector by hand holding (A) position. Make sure it is completely engaged (connected) so that
it does not come out from fuel tube.
NOTE:
Recommended pulling force is 50 N (5.1 kg, 11.2 lb).
KBIA2462E
PBIC0017E
KBIA0272E
2009 Pathfinder
INTAKE MANIFOLD
EM-171
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5.
Install the quick connector cap on the quick connector joint (on
engine side only).
6.
Install the fuel hose and tube to hose clamps.
7.
Refill the engine coolant. Refer to
INSPECTION AFTER INSTALLATION
• After installing fuel tubes, make sure there is no fuel leakage at connections in the following steps.
- Apply fuel pressure to fuel lines by turning ignition switch ON (with engine stopped). Then check for fuel
leaks at connections.
- Start the engine and rev it up and check for fuel leaks at the connections.
• Perform procedures for “Throttle Valve Closed Position Learning” after finishing repairs. Refer to
"Throttle Valve Closed Position Learning"
• If electric throttle control actuator is replaced, perform procedures for “Idle Air Volume Learning” after finish-
ing repairs. Refer to
EC-500, "Idle Air Volume Learning"
.
SBIA0354E
2009 Pathfinder
EM-172
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[VK56DE]
EXHAUST MANIFOLD AND THREE WAY CATALYST
EXHAUST MANIFOLD AND THREE WAY CATALYST
Exploded View
INFOID:0000000003939550
Removal and Installation
INFOID:0000000003939551
REMOVAL
WARNING:
Perform the work when the exhaust and cooling system have cooled sufficiently.
1.
Remove the air dam using power tool.
2.
Remove the engine undercover using power tool.
3.
Remove front final drive assembly. Refer to
DLN-376, "Removal and Installation"
4.
Remove the main muffler assembly and center exhaust tube. Refer to
EX-6, "Removal and Installation"
.
5.
Remove the front exhaust tubes. Refer to
EX-6, "Removal and Installation"
6.
Remove front tires.
7.
Remove fender protectors. Refer to
EXT-22, "Removal and Installation of Front Fender Protector"
8.
Remove the LH and RH air fuel ratio A/F sensors.
• Follow steps below to remove each air fuel ratio A/F sensor.
a.
Remove the harness connector of each air fuel ratio A/F sensor, and harness from bracket and middle
clamp.
1.
Air fuel ratio A/F sensor 1 (RH)
2.
Exhaust manifold cover (RH)
3.
Exhaust manifold (RH)
4.
Gaskets
5.
Exhaust manifold (LH)
6.
Exhaust manifold cover (LH)
7.
Air fuel ratio A/F sensor 1 (LH)
A. Up
B.
Coated face
C. Manifold side
D. Up mark
Front
AWBIA0706GB
2009 Pathfinder
EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-173
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b.
Remove the air fuel ratio A/F sensors from both LH and RH
exhaust manifolds using Tool.
CAUTION:
• Do not damage the air fuel ratio A/F sensors
• Discard any air fuel ratio A/F sensor which has been
dropped from a height of more than 0.5m (19.7 in) onto a
hard surface such as a concrete floor. Replace it with a
new one.
9.
Support the engine using a suitable tool.
10. Remove the exhaust manifold (LH) (A) following the steps
below.
•
: Front
• B: Exhaust manifold (RH)
a.
Remove the engine mounting insulator. Refer to
b.
Remove the exhaust manifold cover.
c.
Remove the engine mounting bracket. Refer to
d.
Loosen the nuts in reverse order as shown using power tool.
e.
Remove the exhaust manifold (LH) (A).
11. Remove the exhaust manifold (RH) (B) following the steps
below.
•
: Front
• A: Exhaust manifold (LH)
a.
Remove the engine mounting insulator. Refer to
b.
Remove the exhaust manifold cover.
c.
Remove the engine mounting bracket. Refer to
d.
Remove the oil level gauge guide. Refer to
e.
Loosen the nuts in reverse order as shown using power tool.
f.
Remove the exhaust manifold (RH) (B).
INSPECTION AFTER REMOVAL
Surface Distortion
• Check the flatness of each exhaust manifold flange surface using
suitable tools.
• If measurement exceeds the limit, replace the exhaust manifold.
INSTALLATION
Installation is in the reverse order of removal.
• Install new exhaust manifold gasket with the top of the triangular up mark on it facing up and its coated face
(gray side) toward the exhaust manifold side.
Tool number
:
—
(J-44626)
WBIA0630E
WBIA0696E
WBIA0696E
Flatness limit
: 0.3 mm (0.012 in)
KBIA2504E
2009 Pathfinder
EM-174
< ON-VEHICLE REPAIR >
[VK56DE]
EXHAUST MANIFOLD AND THREE WAY CATALYST
• Tighten the exhaust manifold nuts LH and RH in the numerical
order shown. Then recheck the torque of the nuts.
- A: Exhaust manifold (LH)
- B: Exhaust manifold (RH)
-
: Front
• Before installing new air fuel ratio A/F sensors, clean the exhaust system threads using Tool and apply anti-
seize lubricant.
CAUTION:
• Do not over tighten the air fuel ratio A/F sensors. Doing so may cause damage to the sensor,
resulting in the MIL coming on.
WBIA0696E
Tool number
: — (J-43879-12)
: — (J-43897-18)
2009 Pathfinder
OIL PAN AND OIL STRAINER
EM-175
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[VK56DE]
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OIL PAN AND OIL STRAINER
Exploded View
INFOID:0000000003939552
Removal and Installation
INFOID:0000000003939553
REMOVAL
WARNING:
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1.
Remove the engine. Refer to
EM-220, "Removal and Installation"
2.
Remove the oil pan (lower) using the following steps.
1.
Oil pan (upper)
2.
O-ring
3.
O-ring
4.
O-ring
5.
O-ring (with collar)
6.
Oil level gauge guide
7.
Oil level gauge
8.
O-ring
9.
Connector bolt
10.
Oil filter
11.
Oil cooler
12.
Relief valve
13.
Oil pressure switch
14. Gasket
15.
Drain plug
16.
Oil pan (lower)
17. Oil strainer
KBIA2465E
2009 Pathfinder
EM-176
< ON-VEHICLE REPAIR >
[VK56DE]
OIL PAN AND OIL STRAINER
a.
Remove the oil pan (lower) bolts using power tool.
b.
Insert Tool between the lower oil pan and the upper oil pan.
CAUTION:
• Be careful not to damage the mating surface.
• Do not insert screwdriver, this will damage the mating
surfaces.
c.
Tap (1) Tool to insert it and then slide (2) it by tapping on the side
of the Tool as shown.
3.
Remove the oil cooler assembly. Refer to
LU-28, "Removal and Installation"
4.
Remove the oil strainer from the oil pan (upper).
5.
Remove the oil pan (upper) using the following steps.
a.
Remove the oil pan (upper) bolts as shown.
b.
Remove the oil pan (upper) from the cylinder block by prying it at
the points shown, using suitable tool.
CAUTION:
Do not damage mating surface.
KBIA2466E
Tool number
: KV10111100 (J-37228)
WBIA0566E
KBIA2467E
KBIA2468E
2009 Pathfinder
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