2004 INFINITI FX35 engine oil

LU-26
[VK45DE]
ENGINE OIL
Revision: 2004 November 2004 FX35/FX45
3. Disconnect oil pressure switch harness connector.
4. Remove oil pressure switch.
5. Install oil pressure gauge and hose (SST).
6. Start engine and warm it up to normal operating temperature.
7. Check oil pressure with engine running under no-load.
NOTE:
When engine oil temperature is low, engine oil pressure becomes high.
Engine oil pressure [Engine oil temperature at 80°C (176°F)]
If difference is extreme, check oil passage and oil pump for oil leaks.
8. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil presser switch and engine.
b. Apply liquid gasket and tighten oil pressure switch to specification.
Use Genuine Thread Sealant or equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL PROD-
UCTS AND SEALANTS" .
Changing Engine OilABS006J5
WARNING:

Be careful not to burn yourself, 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. Remove front engine undercover with power tool.
2. Warm up engine, put vehicle horizontally and check for oil leak-
age from engine components. Refer to LU-25, "
ENGINE OIL
LEAKAGE" .
3. Stop engine and wait for 15 minutes.
4. Loosen oil filler cap, and then remove drain plug.
PBIC1524E
SLC926
Engine speed
rpm Approximate discharge pressure
kPa (kg/cm2 , psi)
Idle speed More than 98 (1.0, 14)
2,000 More than 294 (3.0, 43)
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
PBIC0993E

ENGINE OIL
LU-27
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Revision: 2004 November 2004 FX35/FX45
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-181, "
OIL PAN AND OIL STRAINER" .
CAUTION:
Be sure to clean drain plug and install with new washer.
7. Refill with new engine oil.
Engine oil specification and viscosity:
Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
Engine oil capacity (Approximate):
Unit: (US qt, Imp qt)
CAUTION:

The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.

Always use the oil level gauge to determine when the proper amount of engine oil is in the
engine.
8. Warm up engine and check area around drain plug and oil filter for oil leakage.
9. Stop engine and wait for 15 minutes.
10. Check the engine oil level. Refer to LU-25, "
ENGINE OIL LEVEL" . Oil pan drain plug:
: 34.3 N·m (3.5 kg-m, 25 ft-lb)
Drain and refillWith oil filter change 6.4 (6-3/4, 5-5/8)
without oil filter change 5.8 (6-1/8, 5-1/8)
Dry engine (engine overhaul) 7.2 (7-5/8, 6-3/8)

LU-28
[VK45DE]
OIL FILTER
Revision: 2004 November 2004 FX35/FX45
OIL FILTERPFP:15208
Removal and InstallationABS006J6
REMOVAL
1. Remove front engine undercover with power tool.
2. Using the oil filter wrench (SST), remove the oil filter.
CAUTION:

Oil filter is provided with relief valve.
Use Genuine Nissan Oil Filter or 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.

Do not allow engine oil to adhere to drive belts.

Completely wipe off any engine oil that adhere to engine
and vehicle.
INSTALLATION
1. Remove foreign materials adhering to oil filter installation surface.
2. Apply engine oil to the oil seal circumference of the new oil filter.
3. Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn. Or tighten to specification.
INSPECTION AFTER INSTALLATION
1. After warming up engine, check for engine oil leakage.
2. Stop engine and wait for 15 minutes.
3. Check the engine oil level and add engine oil. Refer to LU-25, "
ENGINE OIL" .
PBIC1525E
SMA010
Oil filter:
:17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B

OIL COOLER
LU-29
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Revision: 2004 November 2004 FX35/FX45
OIL COOLERPFP:21305
Removal and InstallationABS007ZK
WARNING:
Be careful not to get burn yourself, as engine oil and engine coolant are hot.
REMOVAL
1. Remove front engine undercover with power tool.
2. Remove oil filter. Refer to LU-28, "
OIL FILTER" .
CAUTION:
Do not spill engine oil on drive belts.
3. Disconnect water hoses from oil cooler, while pinching hoses near oil cooler to prevent engine coolant
form spilling.
CAUTION:

Perform this step when engine is cold.

Do not spill engine coolant on the drive belt.
4. Remove connector bolt, and remove oil cooler.
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.
Relief Valve
Check relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove
relief valve by prying it out with suitable tool. Install a new valve in place by tapping it.
1. Oil filter 2. Connector bolt 3. Water hose
4. Water pipe 5. Oil cooler 6. O-ring
7. Oil pan (left side) 8. Water hose 9. Relief valve
PBIC2385E

LU-30
[VK45DE]
OIL COOLER
Revision: 2004 November 2004 FX35/FX45
INSTALLATION
Note to the following, and install in the reverse order of removal.

Make sure that no foreign objects are adhering to the installation planes of oil cooler or oil pan.

Tighten connector bolt after aligning stopper on the oil pan side
with protrusion of oil cooler.
INSPECTION AFTER INSTALLATION
1. Make sure level of engine oil and engine coolant, and add engine oil and engine coolant. Refer to LU-25,
"ENGINE OIL" and CO-36, "ENGINE COOLANT" .
2. Start engine, and make sure there is no leak of engine oil or engine coolant.
3. Stop engine and wait for 15 minutes.
4. Check the engine oil level and the engine coolant level again. Refer to LU-25, "
ENGINE OIL" and CO-36,
"ENGINE COOLANT" .
PBIC1527E

LU-32
[VK45DE]
OIL PUMP
Revision: 2004 November 2004 FX35/FX45
INSPECTION AFTER INSTALLATION

After warming up engine, check for engine oil leakage.

Check the engine oil level, and add engine oil. Refer to LU-25, "ENGINE OIL" .
Disassembly and AssemblyABS006J8
DISASSEMBLY
1. Remove oil pump cover.
2. Remove oil pump inner rotor and oil pump outer rotor from oil pump body.
3. After removing regulator valve plug, remove regulator valve spring and regulator valve.
INSPECTION AFTER DISASSEMBLY
Oil Pump Clearance

Measure clearance with feeler gauge.
–Clearance between oil pump outer rotor and oil pump body
(Position 1)
–Tip clearance between oil pump inner rotor and oil pump outer
rotor (Position 2)

Measure clearance with feeler gauge and straightedge.
–Side clearance between oil pump inner rotor and oil pump body
(Position 3)
–Side clearance between oil pump outer rotor and oil pump body
(Position 4)

Calculate the clearance between oil pump inner rotor and oil pump body as follows:
OIL PUMP INNER ROTOR OUTER DIAMETER
–Measure the outer diameter of protruded portion of oil pump
inner rotor. (Position 5)Standard : 0.114 - 0.200 mm (0.0045 - 0.0079 in)
Standard : Below 0.180 mm (0.0071 in)
PBIC0139E
Standard : 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Standard : 0.030 - 0.090 mm (0.0012 - 0.0035 in)
PBIC0140E
PBIC0141E

OIL PUMP
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Revision: 2004 November 2004 FX35/FX45
OIL PUMP BODY INNER DIAMETER
–Measure the inner diameter of oil pump body with inside
micrometer. (Position 6)
OIL PUMP INNER DIAMETER TO OIL PUMP BODY CLEARANCE
–(Clearance) = (Oil pump body inner diameter) – (Oil pump inner rotor outer diameter)

If measured/calculated values are out of the standard, replace oil pump assembly.
Regulator Valve Clearance
(Clearance) = D1 (Valve hole diameter) – D2 (Regulator valve outer
diameter of valve)

If out of the standard, replace oil pump assembly.
CAUTION:

Coat regulator valve with engine oil.

Make sure that it falls smoothly into regulator valve hole by
its own weight.
ASSEMBLY
Note to the following, and assemble in the reverse order of disassembly.

Install oil pump inner rotor and oil pump outer rotor with the
punched marks on the oil pump cover side.
PBIC0142E
Standard : 0.045 - 0.091 mm (0.0018 - 0.0036 in)
Standard : 0.040 - 0.097 mm (0.0016 - 0.0038 in)
PBIC0143E
PBIC0144E

LU-34
[VK45DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2004 November 2004 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitABS006J9
OIL PRESSURE
*: Engine oil temperature at 80°C (176°F)
ENGINE OIL CAPACITY (APPROXIMATE)
Unit: (US qt, Imp qt)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in) Engine speed
rpm Approximate discharge oil pressure*
kPa (kg/cm
2 , psi)
Idle speed
2,000More than 98 (1.0, 14)
More than 294 (3.0, 43)
Drain and refillWith oil filter change 6.4 (6-3/4, 5-5/8)
Without oil filter change 5.8 (6-1/8, 5-1/8)
Dry engine (engine overhaul) 7.2 (7-5/8, 6-3/8)
Oil pump body to oil pump outer rotor radial clearance 0.114 - 0.200 (0.0045 - 0.0079)
Oil pump inner rotor to oil pump outer rotor tip clearance Below 0.180 (0.0071)
Oil pump body to oil pump inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Oil pump body to oil pump outer rotor axial clearance 0.030 - 0.090 (0.0012 - 0.0035)
Oil pump inner rotor to oil pump body clearance 0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump body clearance 0.040 - 0.097 (0.0016 - 0.0038)