Nissan Murano Z51. Manual — part 659

EM-108

< UNIT DISASSEMBLY AND ASSEMBLY >

OIL SEAL

1.

Remove the following parts:
• Road wheel and tire (RH)
• Splash guard (RH): Refer to

EXT-24, "FENDER PROTECTOR : Exploded View"

.

• Drive belt: Refer to

EM-17, "Removal and Installation"

.

• Crankshaft pulley: Refer to

EM-57, "Exploded View"

.

2.

Remove front oil seal using a suitable tool.

CAUTION:

Be careful not to damage front timing chain case and crank-
shaft.

INSTALLATION

1.

Apply new engine oil to both oil seal lip and dust seal lip of new front oil seal.

2.

Install front oil seal.
• Install front oil seal so that each seal lip is oriented as shown in

the figure.

• Using a suitable drift, press-fit until the height of front oil seal is

level with the mounting surface.

- Suitable drift: outer diameter 60 mm (2.36 in), inner diameter

50 mm (1.97 in).

• Check the garter spring is in position and seal lips not inverted.

CAUTION:

• Be careful not to damage front timing chain case and

crankshaft.

• Press-fit straight and avoid causing burrs or tilting oil

seal.

3.

Install in the reverse order of removal after this step.

REAR OIL SEAL

REAR OIL SEAL : Removal and Installation

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REMOVAL

1.

Remove transaxle assembly. Refer to

TM-173, "Exploded View"

.

2.

Remove drive plate. Refer to

EM-121, "Exploded View"

.

3.

Remove oil pan (upper). Refer to

EM-43, "Exploded View"

.

SEM829E

A

: Oil seal lip

B

: Dust seal lip

: Engine inside

: Engine outside

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SEM829E

OIL SEAL

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< UNIT DISASSEMBLY AND ASSEMBLY >

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4.

Use a seal cutter (SST) to cut away liquid gasket and remove
rear oil seal retainer.

CAUTION:

Be careful not to damage mating surfaces.
NOTE:
Regard both rear oil seal and retainer an assembly.

INSTALLATION

1.

Remove old liquid gasket on mating surfaces of cylinder block and oil pan (upper) using scraper.

2.

Apply new engine oil to both oil seal lip and dust seal lip of new oil seal retainer.

3.

Apply a continuous bead of liquid gasket with the tube presser
(commercial service tool) to rear oil seal retainer as shown in the
figure.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-18, "Recommended Chemical Products and Sealants"

.

CAUTION:

Attaching should be done within 5 minutes after coating.

4.

Install rear oil seal retainer to cylinder block. Refer to

EM-121, "Exploded View"

.

• Check the garter spring is in position and seal lips not inverted.

5.

Install in the reverse order of removal after this step.

SEM830E

a

:

φ

2.0 - 3.0 mm (0.08 - 0.12 in)

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EM-110

< UNIT DISASSEMBLY AND ASSEMBLY >

CYLINDER HEAD

CYLINDER HEAD

Exploded View

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REMOVAL

DISASSEMBLY

1.

Oil level gauge

2.

Cylinder head (bank 2)

3.

Cylinder head bolt

4.

Cylinder head (bank 1)

5.

Cylinder head gasket (bank 1)

6.

Cylinder head gasket (bank 2)

A.

Refer to

EM-111

Refer to

GI-4, "Components"

for symbols in the figure.

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CYLINDER HEAD

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< UNIT DISASSEMBLY AND ASSEMBLY >

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Removal and Installation

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REMOVAL

1.

Remove the following parts:
• Oil level gauge
• Intake manifold collector: Refer to

EM-33, "Exploded View"

.

• Rocker cover: Refer to

EM-54, "Exploded View"

.

• Fuel tube and fuel injector assembly: Refer to

EM-49, "Exploded View"

.

• Intake manifold: Refer to

EM-36, "Exploded View"

.

• Exhaust manifold: Refer to

EM-38, "Exploded View"

.

• Water inlet and thermostat assembly: Refer to

CO-26, "Exploded View"

.

• Water outlet, water connector, water bypass pipe, and heater pipe: Refer to

CO-28, "Exploded View"

.

• Timing chain and rear timing chain case: Refer to

EM-57, "Exploded View"

and

EM-93, "Exploded

View"

.

• Camshaft: Refer to

EM-98, "Exploded View"

.

1.

Valve lifter

2.

Valve collet

3.

Valve spring retainer

4.

Valve spring

5.

Valve oil seal

6.

Valve spring seat

7.

Valve guide (EXH)

8.

Spark plug

9.

Spark plug tube

10. Cylinder head (bank 1)

11.

Valve seat (EXH)

12. Valve (EXH)

13. Valve (INT)

14. Valve seat (INT)

15. Valve guide (INT)

16. Cylinder head (bank 2)

: Apply genuine high strength thread locking sealant or equivalent.

Refer to

GI-4, "Components"

for symbols not described on the above.

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