Nissan Murano Z50 (2003 year). Manual — part 126
EXHAUST MANIFOLD AND THREE WAY CATALYST
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Three Way Catalyst Supports
Install in the numerical order as shown.
: 19 - 25 N·m (2.0 - 2.5 kg-m, 14 - 18 ft-lb)
PBIC1174E
EM-26
OIL PAN AND OIL STRAINER
Revision; 2004 April
2003 Murano
OIL PAN AND OIL STRAINER
PFP:11110
Removal and Installation
ABS0036T
REMOVAL
2WD Model
WARNING:
Do not remove the oil pan until the exhaust system and cooling system have completely cooled off.
CAUTION:
When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS).
Be careful not to damage sensor edges or signal plate teeth.
1.
Remove splash guard (RH).
2.
Remove the front RH road wheel and tire with power tool.
3.
.
4.
Drain engine coolant. Refer to
CO-8, "Changing Engine Coolant"
CAUTION:
●
Perform when engine is cold.
●
Do not spill engine coolant on the drive belts.
5.
Remove oil filter. Refer to
CAUTION:
Do not spill engine oil on the drive belts.
1.
Gasket
2.
Upper oil pan
3.
Baffle plate
4.
O-ring
5.
Oil pressure switch
6.
Relief valve
7.
Oil cooler
8.
Oil cooler connector
9.
Oil filter
10. Gasket
11.
Oil strainer
12. Gasket
13. Drain plug
14. Lower oil pan
15. Rear cover plate
16.
Heated oxygen sensor (bank 2) har-
ness clamp (2WD models)
17. Crankshaft position sensor (POS)
PBIC1175E
OIL PAN AND OIL STRAINER
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6.
Remove oil cooler and water pipes. Refer to
7.
8.
Remove A/C compressor with piping connected, and temporarily secure it aside. Refer to
.
9.
Remove exhaust front tube. Refer to
.
10. Remove the heated oxygen sensor 2 (bank 2) and remove the three way catalyst (manifold) (bank 2) from
the exhaust manifold. Refer to
EM-22, "EXHAUST MANIFOLD AND THREE WAY CATALYST"
.
11. Loosen lower oil pan bolts with power tool in reverse order of
illustration to remove.
12. Insert a seal cutter (special service tool) between the lower oil
pan and the upper oil pan.
CAUTION:
●
Be careful not to damage the mating surface.
●
Do not insert a screwdriver, this will damage the mating
surfaces.
13. Slide seal cutter (special service tool) by tapping on the side of
the tool with a hammer. Remove lower oil pan.
14. Remove oil strainer.
15. Remove the oil pressure switch. Refer to
16. Remove crankshaft position sensor (POS).
PBIC0782E
SEM365E
SEM960F
SEM575GA
EM-28
OIL PAN AND OIL STRAINER
Revision; 2004 April
2003 Murano
CAUTION:
●
Handle carefully to avoid dropping and shocks.
●
Do not disassemble.
●
Do not allow metal powder to adhere to magnetic part at sensor tip.
●
Do not place sensors in a location where they are exposed to magnetism.
17. Remove the four engine-to-transaxle bolts.
18. Remove upper oil pan.
●
Loosen bolts in reverse order as shown with power tool.
19. Insert an appropriate size tool into the notch of the upper oil pan
as shown (1).
Pry off the upper oil pan by moving the tool up and down as
shown (2).
20. Remove O-rings from the bottom of the cylinder block and oil
pump body.
SEM949G
PBIC1636E
SEM155F
PBIC1144E
OIL PAN AND OIL STRAINER
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21. Remove oil pan gaskets.
AWD Model
WARNING:
Do not remove the oil pan until the exhaust system and cooling system have completely cooled off.
CAUTION:
When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS).
Be careful not to damage sensor edges or signal plate teeth.
1.
Remove engine assembly from vehicle, and separate front suspension member, transaxle and transfer
assembly from engine. Refer to
EM-95, "Removal and Installation"
2.
Install engine slingers. Refer to
.
3.
install engine sub-attachment to right side of cylinder block, then lift engine, and mount it onto the engine
stand. Refer to
.
4.
.
5.
Remove oil filter. Refer to
.
CAUTION:
Do not spill engine oil on the drive belt.
6.
Remove oil cooler and water pipes. Refer to
7.
Remove the heated oxygen sensor 2 (bank 2) and remove the three way catalyst (manifold) (bank 2) from
the exhaust manifold. Refer to
EM-22, "EXHAUST MANIFOLD AND THREE WAY CATALYST"
.
8.
Loosen lower oil pan bolts with power tool in reverse order of
illustration to remove.
9.
Insert a seal cutter (special service tool) between the lower oil
pan and the upper oil pan.
CAUTION:
●
Be careful not to damage the mating surface.
●
Do not insert a screwdriver, this will damage the mating
surfaces.
PBIC1145E
PBIC0782E
SEM365E
EM-30
OIL PAN AND OIL STRAINER
Revision; 2004 April
2003 Murano
10. Slide seal cutter (special service tool) by tapping on the side of
the tool with a hammer. Remove lower oil pan.
11. Remove oil strainer.
12. Remove the oil pressure switch. Refer to
13. Remove upper oil pan.
●
Loosen bolts in reverse order as shown with power tool.
14. Insert an appropriate size tool into the notch of the upper oil pan
as shown (1).
Pry off the upper oil pan by moving the tool up and down as
shown (2).
SEM960F
SEM575GA
PBIC1636E
SEM155F
OIL PAN AND OIL STRAINER
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15. Remove O-rings from the bottom of the cylinder block and oil
pump body.
16. Remove oil pan gasket.
INSPECTION AFTER REMOVAL
●
Clean oil strainer if any object attached.
INSTALLATION
1.
Install in the upper oil pan in the order below.
a.
Use a scraper to remove old liquid gasket from mating surfaces.
●
Also remove the old liquid gasket from mating surface of
the cylinder block.
●
Remove the old liquid gasket from the bolt holes and
threads.
CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off the old liquid gasket.
b.
Apply Genuine RTV Silicone Sealant or equivalent, to the front
timing chain case gasket and the rear oil seal retainer gasket as
shown. Refer to
GI-46, "RECOMMENDED CHEMICAL PROD-
PBIC1144E
PBIC1145E
MEM108A
SEM964E
EM-32
OIL PAN AND OIL STRAINER
Revision; 2004 April
2003 Murano
●
To install, align protrusion of oil pan gasket with notches of
front timing chain case and rear oil seal retainer.
●
Install oil pan gasket with smaller arc to front timing chain
case side.
c.
Install new O-rings on the cylinder block and oil pump side.
d.
Apply a continuous bead of sealant to the cylinder block mating
surface of the upper oil pan to a limited portion as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-46, "RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS"
CAUTION:
●
For bolt holes with marks (5 locations), apply liquid
gasket outside the holes.
●
Apply a bead of 4.5 to 5.5 mm (0.177 to 0.217 in) diameter
to area “A”.
●
Attaching should be done within 5 minutes after coating.
e.
Install the upper oil pan.
●
Tighten bolts in numerical order as shown.
●
There are two types of mounting bolts. Refer to the following
for locating bolts.
f.
Install the four engine-to-transaxle bolts. (2WD models)
g.
Install oil strainer to oil pump.
2.
Install the lower oil pan in the order below.
PBIC1145E
PBIC1144E
M8
×
100 mm (3.97 in)
: 5, 7, 8, 11
M8
×
25 mm (0.98 in)
: Except the above
KBIA1078E
PBIC1636E
OIL PAN AND OIL STRAINER
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a.
Use a scraper to remove old liquid gasket from mating surfaces.
●
Also remove old liquid gasket from mating surface of
upper oil pan.
b.
Apply a continuous bead of sealant to the lower oil pan.
●
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-46, "RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS"
●
Be sure the sealant is 4.5 - 5.5 mm (0.177 - 0.217 in) wide.
●
Attaching should be done within 5 minutes after coating.
c.
Install lower oil pan.
●
Tighten the bolts in the numerical order as shown.
3.
Install oil pan drain plug.
●
Refer to illustration of components of former page for installation direction of washer.
4.
Install in the reverse order of removal after this step.
At least 30 minutes after oil pan is installed, pour engine oil.
SEM958F
PBIC1146E
PBIC0782E
EM-34
OIL PAN AND OIL STRAINER
Revision; 2004 April
2003 Murano
INSPECTION AFTER INSTALLATION
●
Before starting engine, check the levels of engine coolant, engine oil and working fluid. If less than
required quantity, fill to the specified level.
●
Use procedure below to check for fuel leakage.
–
Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–
Start engine. With engine speed increased, check again for fuel leakage at connection points.
●
Run engine to check for unusual noise and vibration.
●
Warm up engine thoroughly to make sure there is no leakage of engine coolant, engine oil and working
fluid, fuel and exhaust gas.
●
Bleed air from passages in pipes and tubes of applicable lines, such as in cooling system.
●
After cooling down engine, again check amounts of engine coolant, engine oil and working fluid. Refill to
specified level, if necessary.
IGNITION COIL
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IGNITION COIL
PFP:22448
Removal and Installation
ABS0032I
REMOVAL
1.
Remove the engine cover. Refer to
EM-16, "INTAKE MANIFOLD COLLECTOR"
.
2.
Disconnect the mass air flow sensor electrical connector and remove the air cleaner and air duct assem-
bly. Refer to
EM-14, "Removal and Installation"
3.
Remove the RH windshield wiper arm and the RH front cowl top cover. Refer to
4.
Remove the intake manifold collector (upper and lower), gasket, and electric throttle control actuator.
Refer to
EM-16, "Removal and Installation"
.
The intake manifold collector (upper) should be moved aside with water hoses connected.
5.
Remove ignition coil.
INSTALLATION
1.
Installation is in the reverse order of removal.
1.
Ignition coil
2.
Spark plug
3.
Rocker cover (left bank)
PBIC1176E
EM-36
SPARK PLUG (PLATINUM-TIPPED TYPE)
Revision; 2004 April
2003 Murano
SPARK PLUG (PLATINUM-TIPPED TYPE)
PFP:22401
Removal and Installation
ABS0033P
REMOVAL
1.
Remove engine cover. Refer to
EM-16, "INTAKE MANIFOLD COLLECTOR"
.
2.
Remove ignition coil. Refer to
3.
Remove spark plug using spark plug wrench (commercial ser-
vice tool).
INSPECTION AFTER REMOVAL
●
Use standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions
such as:
●
Frequent engine starts
●
Low ambient temperatures
The cold type spark plug is suitable when spark plug knock occurs with the standard type spark plug under
conditions such as:
●
Extended highway driving
●
Frequent high engine revolution
CAUTION:
●
Do not drop or shock spark plug.
●
Do not use a wire brush for cleaning.
●
If plug tip is covered with carbon, spark plug cleaner may
be used.
SEM294A
Make
NGK
Standard type
PLFR5A-11
Hot type
PLFR4A-11
Cold type
PLFR6A-11
Gap (Nominal)
: 1.1 mm (0.043 in)
Cleaner air pressure:
Less than 588 kPa (6 kg/cm
2
, 85 psi)
Cleaning time:
Less than 20 seconds
SMA773C
SPARK PLUG (PLATINUM-TIPPED TYPE)
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Checking and adjusting plug gap is not required between
change intervals.
INSTALLATION
●
Install in the reverse order of removal.
SMA806CA
EM-38
FUEL INJECTOR AND FUEL TUBE
Revision; 2004 April
2003 Murano
FUEL INJECTOR AND FUEL TUBE
PFP:16600
Removal and Installation
ABS0032K
CAUTION:
Do not remove or disassemble parts unless instructed as shown in the figure.
REMOVAL
WARNING:
To avoid the danger of being scalded, never drain the engine coolant when the engine is hot.
1.
Remove the engine cover. Refer to
EM-16, "INTAKE MANIFOLD COLLECTOR"
2.
Release the fuel pressure. Refer to
EC-66, "FUEL PRESSURE RELEASE"
.
3.
Remove the RH windshield wiper arm and the RH cowl top cover. Refer to
.
4.
Remove radiator cover grille, air duct (inlet), air cleaner case, air duct assembly and mass air flow sensor.
Refer to
EM-14, "AIR CLEANER AND AIR DUCT"
5.
Disconnect electric throttle control actuator and engine coolant hoses.
CAUTION:
Handle carefully to avoid any shock to the electric throttle control actuator.
6.
Disconnect vacuum hose, fuel injectors electrical connectors, and PCV hose.
CAUTION:
Cover any engine openings to avoid the entry of any foreign material.
7.
Remove the vacuum tank from intake manifold collector (lower).
8.
Disconnect the power steering hose bracket.
1.
Fuel tube
2.
Insulator
3.
Clip
4.
O-ring (black)
5.
Fuel injector
6.
O-ring (green)
7.
Fuel damper
8.
O-ring
9.
Fuel feed hose (with damper)
10. Quick connector
11.
Quick connector cap
PBIC1177E
FUEL INJECTOR AND FUEL TUBE
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9.
Remove the intake manifold collector (upper and lower). Refer to
EM-16, "INTAKE MANIFOLD COLLEC-
.
The intake manifold collector (upper) should be moved aside with water hoses connected.
10. Remove fuel feed hose (with damper) from fuel tube.
CAUTION:
●
While hoses are disconnected, plug them to prevent fuel from draining.
●
Do not separate fuel damper and fuel feed hose.
11. Disconnect fuel feed hose (with damper) quick connector at vehicle piping side. When separating fuel
feed hose and centralized under-floor piping connection, disconnect quick connector with the following
procedure.
a.
Remove quick connector cap from quick connector.
b.
Disconnect quick connector from centralized under-floor piping
as follows:
CAUTION:
Disconnect quick connector by using quick connector
release (special service tool: J-45488), not by picking out
retainer tabs.
i.
With the sleeve side of quick connector release facing quick
connector, install quick connector release onto fuel tube.
ii.
Insert quick connector release into quick connector until sleeve
contacts and goes no further. Hold quick connector release on
that position.
CAUTION:
Inserting quick connector release hard will not disconnect
quick connector. Hold quick connector release where it
contacts and goes no further.
iii.
Draw and pull out quick connector straight from centralized
under-floor piping.
CAUTION:
●
Pull quick connector holding “A” position as shown in
the figure.
●
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.
●
Keep parts away from heat source. Especially, be careful when welding is performed around
them.
●
Do not expose parts to battery electrolyte or other acids.
●
Do not bend or twist connection between quick connector and fuel hose (with damper) during
installation/removal.
PBIC1178E
PBIC1179E
PBIC1898E
EM-40
FUEL INJECTOR AND FUEL TUBE
Revision; 2004 April
2003 Murano
●
To keep clean the connecting portion and to avoid dam-
age and foreign materials, cover them completely with
plastic bags or something similar.
12. Remove harness connector from fuel injector.
13. Loosen mounting bolts in numerical order in the figure, and
remove fuel tube and fuel injector assembly.
CAUTION:
Do not tilt it, or remaining fuel in pipes may flow out from
pipes.
14. Remove fuel injector from fuel tube with following procedure.
a.
Open and remove clip.
b.
Remove fuel injector from the fuel tube by pulling straight.
CAUTION:
●
Be careful with remaining fuel that may go out from fuel
tube.
●
Be careful not to damage injector nozzles during
removal.
●
Do not bump or drop fuel injectors.
●
Do not disassemble fuel injectors.
15. Remove fuel damper from fuel tube.
INSTALLATION
1.
Install fuel damper.
●
When handling O-rings, be careful of the following:
CAUTION:
●
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.
PBIC1899E
SEC030D
SBIA0364E
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