Infiniti FX35, FX50 (S51). Manual - part 1357

ENGINE OIL

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PERIODIC MAINTENANCE

ENGINE OIL

Inspection

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ENGINE OIL LEVEL

NOTE:
Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop
it and allow 10 minutes before checking.

1.

Pull out oil level gauge and wipe it clean.

2.

Insert oil level gauge and check the engine oil level is within the
range (A) shown in the figure.

3.

If it is out of range, adjust it.

NOTE:
When checking the engine oil level, insert oil level gauge (1)
with its tip aligned with oil level gauge guide.

ENGINE OIL APPEARANCE

• Check engine oil for white turbidity or heavy contamination.
• If engine oil becomes turbid and white, it is highly probable that it is contaminated with engine coolant.

Repair or replace damaged parts.

ENGINE OIL LEAKAGE

Check for engine oil leakage around the following areas:
• Oil pans (lower and upper)
• Oil pan drain plug
• Oil pressure switch
• Oil temperature sensor
• Oil filter
• Oil cooler
• Front cover
• Valve timing control cover
• Timing chain tensioner cover
• VVEL actuator sub assembly
• Crankshaft oil seals (front and rear)
• Camshaft position sensor and valve timing control solenoid valve (INT and EXH)
• Mating surface between cylinder head and VVEL ladder assembly
• Mating surface between VVEL ladder assembly and rocker cover
• Mating surface between cylinder block and cylinder head

OIL PRESSURE CHECK

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: Vehicle front

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LU-26

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ENGINE OIL

WARNING:

• Be careful not to get burned, as engine oil may be hot.
• Oil pressure check should be done in “Parking position”.

1.

Check the engine oil level. 

2.

Remove engine undercover with power tool.

3.

Disconnect harness connector at oil pressure switch (1), and
remove oil pressure switch.

CAUTION:

Never drop or impact oil pressure switch.

4.

Install the oil pressure gauge [SST: ST25051001 (J25695-1)] (A)
and hose [SST: ST25052000 (J25695-2)] (B).

5.

Start the engine and warm it up to normal operating temperature.

6.

Check the engine oil pressure with engine running under no-load.
NOTE:
When the engine oil temperature is low, the engine oil pressure becomes high.

If difference is extreme, check engine oil passage and oil pump for engine oil leakage.

7.

After the inspections, install oil pressure switch as per the following:

a.

Remove old liquid gasket adhering to oil pressure switch and the mating surface.

b.

Apply liquid gasket and tighten oil pressure switch to the specification.
Use Genuine RTV Silicone Sealant or an equivalent. Refer to 

GI-16, "Recommended Chemical

Products and Sealants"

.

c.

After warming up engine, check there is no leakage of engine oil with running engine.

Draining

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WARNING:

• Be careful not to get burned, as engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin

contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as
soon as possible. 

1.

Warm up the engine, and check for engine oil leakage from engine components. Refer to 

LU-25, "Inspec-

tion"

.

2.

Stop the engine and wait for 15 minutes.

3.

Loosen oil filler cap.

: Engine front

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Engine oil pressure

: Refer to 

LU-33, "Engine Oil Pressure"

.

Tightening torque

: Refer to 

EM-188, "Exploded View"

.

ENGINE OIL

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4.

Remove drain plug and then drain engine oil.

Refilling

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1.

Install drain plug with new washer.

CAUTION:

Be sure to clean drain plug and install with new washer.

2.

Refill with new engine oil.
Engine oil specification and viscosity: 
Refer to 

MA-12, "Fluids and Lubricants"

.

CAUTION:

• The refill capacity depends on the engine oil temperature and drain time. Use these specifica-

tions for reference only.

• Always use oil level gauge to determine the proper amount of engine oil in engine.

3.

Warm up the engine and check area around drain plug and oil filter for engine oil leakage.

4.

Stop the engine and wait for 15 minutes.

5.

Check the engine oil level. Refer to 

LU-25, "Inspection"

.

Tightening torque

: Refer to 

EM-188, "Exploded View"

.

Engine oil capacity

: Refer to

LU-33, "Periodical Maintenance Specification"

.

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OIL FILTER

OIL FILTER

Removal and Installation

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REMOVAL

CAUTION:

• Oil filter is provided with relief valve. Use genuine NISSAN oil filter or an equivalent.
• Be careful not to get burned when engine and engine oil may be hot.
• When removing, prepare a shop cloth to absorb any engine oil leakage or spillage.
• Never allow engine oil to adhere to drive belts.
• Completely wipe off any engine oil that adheres to engine and vehicle.

1.

Remove engine undercover with power tool.

2.

Using oil filter wrench [SST: KV10115801 (J38956)] (A), remove
oil filter.

INSTALLATION

1.

Remove foreign matter adhering to oil filter installation surface.

2.

Apply engine oil to the oil seal contact surface of new oil filter.

3.

Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn (A). Or tighten to the specification.

Inspection

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INSPECTION AFTER INSTALLATION

1.

Check the engine oil level. Refer to 

LU-25, "Inspection"

.

2.

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

3.

Stop the engine and wait for 15 minutes.

4.

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

LU-25, "Inspection"

.

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SMA010

Oil filter:

: 17.7 N·m (1.8 kg-m, 13 ft-lb)

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