Infiniti FX35 / FX45. Manual - part 834

MA-16

< SERVICE INFORMATION >

ENGINE MAINTENANCE (VQ35DE ENGINE)

Engine oil capacity (Approximate):

Unit: 

 (US qt, lmp qt)

CAUTION:

• When filling engine oil, do not pull out oil level gauge.
• 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.

8.

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

9.

Stop the engine and wait for 10 minutes.

10. Check the engine oil level.

Changing Oil Filter

INFOID:0000000001328906

REMOVAL

WARNING:

Be careful not to get burned when the engine and engine oil may be hot.
1.

Remove front engine undercover with power tool.

2.

Using oil filter wrench (SST), remove oil filter.

CAUTION:

• Oil filter is provided with relief valve. Use genuine NISSAN

oil filter or equivalent.

• When removing, prepare a shop cloth to absorb any

engine oil leakage or spillage.

• Do not allow engine oil to adhere to drive belts.
• Completely wipe off any engine oil that adheres to engine

and vehicle.

INSTALLATION

1.

Remove foreign materials adhering to oil filter installation surface.

Drain and refill 

With oil filter change

4.7 (5, 4-1/8)

Without oil filter change

4.4 (4-5/8, 3-7/8)

Dry engine (Overhaul)

5.4 (5-3/4, 4-3/4)

PBIC3101E

SBIA0454E

SBIA0455E

ENGINE MAINTENANCE (VQ35DE ENGINE)

MA-17

< SERVICE INFORMATION >

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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. Or tighten to the specification.

INSPECTION AFTER INSTALLATION

1.

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

2.

Stop the engine and wait for 10 minutes.

3.

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

MA-15, "Changing Engine Oil"

.

Changing Spark Plugs (Platinum-Tipped Type)

INFOID:0000000001328907

REMOVAL

1.

Remove engine cover with power tool. Refer to 

EM-19

.

2.

Remove ignition coil. Refer to 

EM-42

.

3.

Remove spark plug with a spark plug wrench (commercial ser-
vice tool).

INSPECTION AFTER REMOVAL

Use the 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 knock occurs with the standard type spark plug under condi-
tions such as:
• Extended highway driving
• Frequent high engine revolution

SMA010

Oil filter:

 : 17.7 N·m (1.8 kg-m, 13 ft-lb)

SMA229B

SEM294A

MA-18

< SERVICE INFORMATION >

ENGINE MAINTENANCE (VQ35DE ENGINE)

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.

• Checking and adjusting plug gap is not required between

change intervals.

INSTALLATION

Install in the reverse order of removal.

Checking EVAP Vapor Line

INFOID:0000000001328908

1.

Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.

2.

Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.
Refer to 

EC-40

.

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

SMA806CA

 : 24.5 N·m (2.5 kg-m, 18 ft-lb)

ENGINE MAINTENANCE (VK45DE ENGINE)

MA-19

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ENGINE MAINTENANCE (VK45DE ENGINE)

Checking Drive Belts

INFOID:0000000001328909

WARNING:

Be sure to perform when the engine is stopped.
• Remove air duct (inlet) when inspecting drive belt for alternator, water pump and A/C compressor.
• Remove front engine undercover with power tool when inspecting power steering oil pump belt.
• Make sure that indicator (single line notch) of each auto tensioner is within the allowable working range

(between three line notches).
NOTE:
• Check auto tensioner indication when engine is cold.
• When new drive belt is installed, the range should be “A”.
• The indicator notch is located on the moving side of the tensioner for alternator, water pump and A/C com-

pressor belt, while it is found on the fixed side for power steering oil pump belt. 

• Visually check entire belt for wear, damage or cracks.
• If the indicator is out of allowable working range or belt is damaged, replace belt.

Tension Adjustment

INFOID:0000000001328910

Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.

Changing Engine Coolant

INFOID:0000000001328911

WARNING:

• To avoid being scalded, do not change engine coolant when engine is hot.
• Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a

quarter of a turn to release built-up pressure. Then turn radiator cap all the way.

• Be careful not to allow engine coolant to contact drive belts.

DRAINING ENGINE COOLANT

1.

Remove front engine undercover with power tool.

PBIC2331E