Nissan Murano Z50 (2006 year). Manual

INTAKE MANIFOLD COLLECTOR

EM-21

Revision: 2006 August

2006 Murano

INSPECTION AFTER REMOVAL
Surface Distortion

●

Check the surface distortion of intake manifold collector (lower)
with a straightedge and a feeler gauge.

●

If it exceeds the limit, replace intake manifold collector (lower).

INSTALLATION

Note the following, and install in the reverse order of removal.

Power Valve

Tighten mounting bolts in numerical order as shown in the figure.

Intake Manifold Collector (Upper)

Tighten mounting bolts in numerical order as shown in the figure.

Intake Manifold Collector (Lower)

Tighten mounting nuts and bolts in numerical order as shown in the
figure.

Electric Throttle Control Actuator

●

Install gasket with positioning no-protrusion surface upward or downward.

Limit

: 0.1 mm (0.004 in)

PBIC1168E

SEM714G

SEM712G

SEM713G

EM-22

INTAKE MANIFOLD COLLECTOR

Revision: 2006 August

2006 Murano

●

Tighten mounting bolts in numerical order as shown in the fig-
ure.

●

Perform the “Throttle Valve Closed Position Learning” when har-
ness connector of electric throttle control actuator is discon-
nected. Refer to

EC-76, "Throttle Valve Closed Position

Learning"

●

Perform the “Idle Air Volume Learning” and “Throttle Valve
Closed Position Learning” when electric throttle control actuator
is replaced. Refer to

EC-76, "Idle Air Volume Learning"

KBIA2007J

INTAKE MANIFOLD

EM-23

Revision: 2006 August

2006 Murano

INTAKE MANIFOLD

PFP:14003

Removal and Installation

NBS0029E

●

Refer to

GI-10, "Components"

for symbol marks in the figure.

REMOVAL

Release fuel pressure. Refer to

EC-78, "FUEL PRESSURE RELEASE"

Remove intake manifold collectors (upper and lower). Refer to

EM-18, "INTAKE MANIFOLD COLLEC-

TOR"

Remove fuel tube and fuel injector assembly. Refer to

EM-41, "FUEL INJECTOR AND FUEL TUBE"

Loosen mounting nuts and bolts in reverse order as shown in
the figure to remove intake manifold with power tool.

Remove gaskets.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

Intake manifold

Gasket

Refer to

EM-24

PBIC4182E

PBIC0778E

EM-24

INTAKE MANIFOLD

Revision: 2006 August

2006 Murano

INSPECTION AFTER REMOVAL
Surface Distortion

●

Check the surface distortion of the intake manifold mating sur-
faces with a straightedge and a feeler gauge.

●

If it exceeds the limit, replace intake manifold.

INSTALLATION

Note the following, and install in the reverse order or removal.

Intake Manifold

●

If stud bolts were removed, install them and tighten to the specified torque below.

●

Tighten all mounting nuts and bolts to the specified torque in two
or more steps in numerical order shown in figure.

Limit

: 0.1 mm (0.004 in)

PBIC0870E

: 10.8 N·m (1.1 kg-m, 8 ft-lb)

1st step

: 7.4 N·m (0.8 kg-m, 5 ft-lb)

2nd step and after

: 29.0 N·m (3.0 kg-m, 21 ft-lb)

PBIC0778E

EXHAUST MANIFOLD AND THREE WAY CATALYST

EM-25

Revision: 2006 August

2006 Murano

EXHAUST MANIFOLD AND THREE WAY CATALYST

PFP:14004

Removal and Installation

NBS0029F

●

Refer to

GI-10, "Components"

for symbol marks in the figure.

REMOVAL

WARNING:

Perform the work when the exhaust and cooling system have completely cooled down.

Drain engine coolant. Refer to

CO-9, "Changing Engine Coolant"

CAUTION:

●

Perform this step when the engine is cold.

●

Do not spill engine coolant on drive belts.

Remove following parts:

●

Engine cover: Refer to

EM-18, "INTAKE MANIFOLD COLLECTOR"

●

Radiator cover grilles, air duct (inlet), air cleaner cases (upper) with mass air flow sensor and air duct
assembly: Refer to

EM-16, "AIR CLEANER AND AIR DUCT"

●

Undercover

Air fuel ratio sensor 1 (bank 1)

Exhaust manifold cover (right bank)

Exhaust manifold (right bank)

Ring gasket

Three way catalyst (right bank)

Three way catalyst support (right
bank)

Heated oxygen sensor 2 (bank 1)

Gasket

10. Air fuel ratio sensor 1 (bank 2)

11. Three way catalyst (left bank)

12. Three way catalyst cover

13. Three way catalyst cover

14. Three way catalyst cover

15.

Three way catalyst support (left
bank)

16. Heated oxygen sensor 2 (bank 2)

17. Exhaust manifold cover (left bank)

18. Exhaust manifold (left bank)

PBIC4599J

EM-26

EXHAUST MANIFOLD AND THREE WAY CATALYST

Revision: 2006 August

2006 Murano

●

Radiator and radiator cooling fan assembly: Refer to

CO-13, "RADIATOR"

●

Front wiper arm: Refer to

WW-4, "FRONT WIPER AND WASHER SYSTEM"

●

Extension cowl top panel (lower and upper): Refer to

EI-20, "COWL TOP"

●

Intake manifold collectors (upper and lower): Refer to

EM-18, "INTAKE MANIFOLD COLLECTOR"

Remove exhaust front tube mounting bracket and then remove exhaust front tube. Refer to

EX-3,

"EXHAUST SYSTEM"

Remove heat insulator.

Disconnect harness connector and remove air fuel ratio sensor
1 on both banks with the heated oxygen sensor wrench (SST).

●

Put marks to identify installation positions of each air fuel ratio
sensor 1.

CAUTION:

●

Be careful not to damage air fuel ratio sensor 1.

●

Discard any air fuel ratio sensor 1 which has been
dropped onto a hard surface such as a concrete floor,
replace with a new sensor.

NOTE:
Figure is shown as an example of left bank.

Disconnect harness connector and remove heated oxygen sen-
sor 2 on both banks with the heated oxygen sensor wrench
(SST).

●

Put marks to identify installation positions of each heated oxy-
gen sensor 2.

CAUTION:

●

Be careful not to damage heated oxygen sensor 2.

●

Discard any heated oxygen sensor 2 which has been
dropped onto a hard surface such as a concrete floor,
replace with a new sensor.

Remove exhaust manifold covers (right and left banks) and three way catalyst covers.

Remove mounting bolts in reverse order as shown in the figure
to remove three way catalyst supports (right and left banks).

Remove three way catalysts (right and left banks) by loosening bolts first and then removing nuts.

CAUTION:

Handle carefully to avoid any shock to three way catalyst.

PBIC3054E

PBIC2674E

PBIC2675E

PBIC2463E

EXHAUST MANIFOLD AND THREE WAY CATALYST

EM-27

Revision: 2006 August

2006 Murano

10. Loosen mounting nuts in reverse order as shown in the figure to

remove exhaust manifolds (right and left banks).

11. Remove gaskets.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSPECTION AFTER REMOVAL
Surface Distortion

●

Check the surface distortion of the exhaust manifold mating sur-
faces with a straightedge and a feeler gauge.

●

If it exceeds the limit, replace exhaust manifold.

INSTALLATION

Note the following, and install in the reverse order of removal.

Exhaust Manifold Gasket

Install in the direction indicated in the figure.

Exhaust Manifold

●

If stud bolts were removed, install them and tighten to the torque specified below.

PBIC2464E

Limit

: 0.3 mm (0.012 in)

PBIC1173E

KBIA1051E

EM-28

EXHAUST MANIFOLD AND THREE WAY CATALYST

Revision: 2006 August

2006 Murano

●

Tighten mounting nuts in numerical order as shown in the figure.

Three Way Catalyst Supports

Temporarily tighten three way catalyst support mounting bolts.

Tighten three way catalyst support mounting bolts to specified
torque in numerical order as shown in the figure.

Air Fuel Ratio Sensor 1 and Heated Oxygen Sensor 2

●

Install air fuel ratio sensor 1 and heated oxygen sensor 2 in the original position.

●

Install referring the following if the installation positions cannot
be identified.

CAUTION:

●

Before installing a new air fuel ratio sensor and a new
heated oxygen sensor, clean exhaust system threads using
oxygen sensor thread cleaner (commercial service tool: J-
43897-18 or J43897-12) and apply anti-seize lubricant (com-
mercial service tool).

●

Do not over torque air fuel ratio sensor and heated oxygen sensor. Doing so may cause damage to
air fuel ratio sensor and heated oxygen sensor, resulting in “MIL” coming on.

: 15.4 N·m (1.6 kg-m, 11 ft-lb)

PBIC2464E

PBIC2463E

Glass tube color

Air fuel ratio sensor 1

: Black

Heated oxygen sensor 2

: White

PBIC2652E

OIL PAN AND OIL STRAINER

EM-29

Revision: 2006 August

2006 Murano

OIL PAN AND OIL STRAINER

PFP:11110

Removal and Installation

NBS003FM

●

Refer to

GI-10, "Components"

for symbol marks in the figure.

REMOVAL
2WD Models

WARNING:

To avoid the danger of being scalded, do not drain engine oil when the engine is hot.

NOTE:
When removing oil pan (lower) or oil strainer only, take step 1 then step 10 and 11.
1.

Drain engine oil. Refer to

LU-8, "Changing Engine Oil"

CAUTION:

●

Perform this step when the engine is cold.

●

Do not spill engine oil on drive belts.

Drain engine coolant. Refer to

CO-9, "Changing Engine Coolant"

CAUTION:

●

Perform this step when engine is cold.

Oil pan (upper)

O-ring

Oil pan gasket (front)

Oil pressure switch

Relief valve

O-ring

Oil cooler

Connector bolt

Oil filter

10. Oil strainer

11.

Drain plug

12. Drain plug washer

13. Oil pan (lower)

14. Rear plate cover

15. Harness bracket (2WD models)

16. Crankshaft position sensor (POS)

17. Seal rubber

18. Oil pan gasket (rear)

Refer to

LU-9

To oil pump

Oil pan side

PBIC4730J

EM-30

OIL PAN AND OIL STRAINER

Revision: 2006 August

2006 Murano

●

Do not spill engine coolant on drive belts.

Remove following parts:

●

Engine cover: Refer to

EM-18, "INTAKE MANIFOLD COLLECTOR"

●

Undercover

●

Splash guard (RH)

●

Exhaust front tube: Refer to

EX-3, "EXHAUST SYSTEM"

●

Drive belts: Refer to

EM-13, "DRIVE BELTS"

Remove A/C compressor with piping connected, and temporarily secure it to aside. Refer to

ATC-133,

"Components"

Remove three way catalysts (right and left banks) from exhaust manifolds (right and left banks). Refer to

EM-25, "EXHAUST MANIFOLD AND THREE WAY CATALYST"

Remove oil pressure switch. Refer to

LU-7, "OIL PRESSURE CHECK"

Remove crankshaft position sensor (POS) and harness bracket.

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 sensor in a location where it is exposed to magnetism.

Remove oil filter. Refer to

LU-9, "OIL FILTER"

Remove oil cooler and water pipes. Refer to

LU-10, "OIL COOLER"

10. Remove oil pan (lower) as follows:

Loosen mounting bolts in reverse order as shown in the figure.

Insert the seal cutter (SST) between oil pan (lower) and oil pan
(upper).

CAUTION:

●

Be careful not to damage the mating surfaces.

●

Do not insert a screwdriver, this will damage the mating
surfaces.

Slide the seal cutter by tapping on the side of the tool with a
hammer. Remove oil pan (lower).

PBIC0782E

SEM365E

OIL PAN AND OIL STRAINER

EM-31

Revision: 2006 August

2006 Murano

11. Remove oil strainer.

12. Remove oil pan (upper) as follows:

Remove transaxle joint bolts which pierce oil pan (upper). Refer
to

CVT-229, "TRANSAXLE ASSEMBLY"

Loosen mounting bolts in reverse order as shown in the figure.

Insert a suitable tool into the notch of oil pan (upper) as shown
(1).
Pry off oil pan (upper) by moving tool up and down as shown (2)
to remove oil pan (upper).

PBIC1766E

SEM949G

PBIC1636E

SEM155F

EM-32

OIL PAN AND OIL STRAINER

Revision: 2006 August

2006 Murano

13. Remove O-rings from the bottom of cylinder block and oil pump.

14. Remove oil pan gaskets.

AWD Models

WARNING:

To avoid the danger of being scalded, do not drain engine oil when engine is hot.
NOTE:
When removing oil pan (lower) or oil strainer only, take step 3 then step 8 and 9.

Remove engine assembly from vehicle, and separate front suspension member, transaxle and transfer
assembly from engine. Refer to

EM-108, "ENGINE ASSEMBLY"

install engine sub-attachment to right side of cylinder block, then lift engine, and mount it onto engine
stand. Refer to

EM-114, "CYLINDER BLOCK"

Drain engine oil. Refer to

LU-8, "Changing Engine Oil"

Remove oil pressure switch. Refer to

LU-7, "OIL PRESSURE CHECK"

Remove oil filter. Refer to

LU-9, "OIL FILTER"

Remove oil cooler and water pipes. Refer to

LU-10, "OIL COOLER"

Remove three way catalysts (right and left banks) from exhaust manifolds (right and left banks). Refer to

EM-25, "EXHAUST MANIFOLD AND THREE WAY CATALYST"

Remove oil pan (lower) as follows:

Loosen mounting bolts in reverse order as shown in the figure.

PBIC1144E

PBIC1145E

PBIC0782E

OIL PAN AND OIL STRAINER

EM-33

Revision: 2006 August

2006 Murano

Insert the seal cutter (SST) between oil pan (lower) and oil pan
(upper).

CAUTION:

●

Be careful not to damage the mating surfaces.

●

Do not insert screwdriver, this will damage the mating
surfaces.

Slide the seal cutter by tapping on the side of the tool with a
hammer. Remove oil pan (lower).

Remove oil strainer.

10. Remove oil pan (upper) as follows:

Loosen mounting bolts in reverse order as shown in the figure.

Insert a suitable tool into the notch of oil pan (upper) as shown
(1).
Pry off oil pan (upper) by moving tool up and down as shown (2)
to remove oil pan (upper).

SEM365E

PBIC1766E

PBIC1636E

SEM155F

EM-34

OIL PAN AND OIL STRAINER

Revision: 2006 August

2006 Murano

11. Remove O-rings from the bottom of cylinder block and oil pump.

12. Remove oil pan gaskets.

INSTALLATION

Install oil pan (upper) as follows:

Use a scraper to remove old liquid gasket from mating surfaces.

CAUTION:

Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

●

Also remove old liquid gasket from mating surface of cylinder
block.

●

Remove oil liquid gasket from bolt holes and threads.

Install new oil pan gaskets.

●

Apply liquid gasket to new oil pan gaskets as shown in the fig-
ure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to

PBIC1144E

PBIC1145E

MEM108A

PBIC2630E

OIL PAN AND OIL STRAINER

EM-35

Revision: 2006 August

2006 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.

Install new O-rings on the bottom of cylinder block and oil pump.

Apply a continuous bead of liquid gasket with the tube presser
[SST: WS39930000 (

—

)] to cylinder block mating surface of

oil pan (upper) to a limited portion as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to

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.

Install oil pan (upper).

CAUTION:

Install avoiding misalignment of both oil pan gasket and O-rings.

●

Tighten mounting bolts in numerical order as shown in the fig-
ure.

●

There are two types of mounting bolt. Refer to the following
for locating bolts.

Install transaxle joint bolts. (2WD models) Refer to

CVT-229, "TRANSAXLE ASSEMBLY"

Install oil strainer to oil pump.

Install oil pan (lower) as follows:

PBIC1145E

PBIC1144E

100 mm (3.94 in)

: 5, 7, 8, 11

25 mm (0.98 in)

: Except the above

PBIC2300E

PBIC1636E

EM-36

OIL PAN AND OIL STRAINER

Revision: 2006 August

2006 Murano

Use scraper to remove old liquid gasket from mating surfaces.

●

Also remove old liquid gasket from mating surface of oil pan
(upper).

●

Remove old liquid gasket from the bolt holes and thread.

CAUTION:

Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

Apply a continuous bead of liquid gasket with the tube presser
[SST: WS39930000 (

—

)] to oil pan (lower) as shown in the

figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to

CAUTION:

Attaching should be done within 5 minutes after coating.

Install oil pan (lower).

●

Tighten mounting bolts in numerical order as shown in the fig-
ure.

Install oil pan drain plug.

●

Refer to the figure of components of former page for installation direction of drain plug washer. Refer to

EM-29, "Removal and Installation"

Install in the reverse order of removal after this step.

NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.

SEM958F

PBIC2657E

PBIC0782E

Nissan Murano Z50 (2006 year). Manual - part 122