Infiniti FX35, FX50 (S51). Manual - part 937

EM-48

< REMOVAL AND INSTALLATION >

[VQ35HR]

OIL PAN (LOWER) AND OIL STRAINER

a.

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

b.

Insert the seal cutter [SST: KV10111100 (J-37228)] (A) between
oil pan (upper) and oil pan (lower).

CAUTION:

• Be careful not to damage the mating surfaces.
• Never insert a screwdriver, this will damage the mating

surfaces.

c.

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

4.

Remove oil strainer.

INSTALLATION

1.

Install oil strainer.

2.

Install oil pan (lower) as per the following:

a.

Use scraper (A) to remove old liquid gasket from mating sur-
faces.
• Remove old liquid gasket from the bolt holes and thread.

CAUTION:

Never scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

b.

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

Use Genuine RTV Silicone Sealant or an equivalent. Refer
to 

GI-16, "Recommended Chemical Products and Sealants"

.

CAUTION:

Attaching must be done within 5 minutes after coating.

c.

Install oil pan (lower).

: Engine front

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: Engine front 

a

: 

φ

4.0 - 5.0 mm (0.157 - 0.197 in)

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OIL PAN (LOWER) AND OIL STRAINER

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< REMOVAL AND INSTALLATION >

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• Tighten mounting bolts in numerical order as shown in the fig-

ure.

3.

Install oil pan drain plug.
• Refer to the figure of components of former page for installation direction of drain plug washer. Refer to

EM-46, "Exploded View"

.

4.

Install in the reverse order of removal after this step.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.

Inspection

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INSPECTION AFTER REMOVAL

Clean oil strainer if any object attached.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level and adjust engine oil. Refer to 

LU-6, "Inspection"

.

2.

Start engine, and check there is no leakage of engine oil.

3.

Stop engine and wait for 10 minutes.

4.

Check the engine oil level again. Refer to 

LU-6, "Inspection"

.

: Engine front

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EM-50

< REMOVAL AND INSTALLATION >

[VQ35HR]

IGNITION COIL, SPARK PLUG AND ROCKER COVER

IGNITION COIL, SPARK PLUG AND ROCKER COVER

Exploded View

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Removal and Installation

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REMOVAL

1.

Remove the following parts:
• Engine cover: Refer to 

EM-27, "Exploded View"

.

• Air cleaner case and air duct: Refer to 

EM-29, "Exploded View"

.

• Intake manifold collector: Refer to 

EM-31, "Exploded View"

.

2.

Disconnect PCV hose from rocker cover.

1.

PCV hose

2.

Clamp

3.

Ignition coil

4.

Spark plug

5.

PCV valve

6.

O-ring

7.

Rocker cover gasket (bank 1)

8.

Rocker cover (bank 1)

9.

O-ring

10.

Camshaft position sensor (PHASE) 
(bank 1)

11.

Exhaust valve timing control position 
sensor (bank 1)

12.

Camshaft position sensor (PHASE) 
(bank 2)

13.

Exhaust valve timing control position 
sensor (bank 2)

14.

Rocker cover gasket (bank 2)

15. Rocker cover (bank 2)

16.

PCV hose

17.

Oil filler cap

18. PCV hose

A.

To intake manifold collector

B.

Refer to 

EM-50

C.

Camshaft bracket side

D.

To air duct

Refer to 

GI-4, "Components"

 for symbols in the figure.

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IGNITION COIL, SPARK PLUG AND ROCKER COVER

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3.

Remove camshaft position sensor (PHASE) and exhaust valve
timing control position sensor. (bank 1 and bank 2)

CAUTION:

• Handle carefully to avoid dropping and shocks.
• Never disassemble.
• Never allow metal powder to adhere to magnetic part at

sensor tip. 

• Never place sensors in a location where they are exposed

to magnetism.

4.

Remove PCV valve and O-ring from rocker cover, if necessary.

5.

Remove oil filler cap from rocker cover, if necessary. 

6.

Remove ignition coil.

CAUTION:

Never impact ignition coil.

7.

Remove harness clips on the rocker cover.

8.

Loosen mounting bolts with power tool in reverse order shown in
the figure.

9.

Remove rocker cover gasket from rocker cover.

10. Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).

CAUTION:

Never scratch or damage the mating surface when cleaning off old liquid gasket.

INSTALLATION

A

: Keep off any magnetic materials

: Engine front

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