2008 INFINITI FX35 engine oil

OIL COOLERLU-13
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AWD models
Removal and InstallationINFOID:0000000001325819
REMOVAL
WARNING:
Be careful not to get burn yourself, as en
gine oil and engine coolant may be hot.
NOTE:
When removing oil cooler only, step 2 is unnecessary.
1. Remove front engine undercover with power tool.
2. Drain engine coolant from radiator and cylinder block. Refer to CO-10, "
Changing Engine Coolant" and
EM-123, "
Disassembly and Assembly".
NOTE:
Perform this step when removing water pipes.
3. Disconnect water hoses from oil cooler.  When removing oil cooler only, pinching water hoses near oil cooler to prevent engine coolant from spill-
ing out.
 Remaining engine coolant in piping will come out. Use a tray to collect it.
CAUTION:
 Perform this step when the engine is cold.
 Do not spill engine coolant on drive belts.
4. Using oil filter wrench [SST: KV10115801 (J38956)], remove oil filter. Refer to LU-8, "
Removal and Instal-
lation".
CAUTION:
Do not spill engine oil on drive belts.
5. Remove connector bolt, and remove oil cooler. CAUTION:
Do not spill engine oil to rubber parts such as drive belts and engine mounting insulator.
SBIA0584E
1. Oil filter 2. Connector bolt 3. Oil cooler
4. O-ring 5. Relief valve 6. Oil filter bracket
7. Water hose 8. Water hose 9. Water pipe
10. Water hose
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LU-14
< SERVICE INFORMATION >[VQ35DE]
OIL COOLER
6. Remove water pipes, as necessary.
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oi
l cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.
Relief Valve
Inspect relief valve for movement, cracks and breaks by pushing ball. If replacement is necessary, remove
relief valve by prying it out with a suitable tool. Install a new relief valve in place by tapping it.
INSTALLATION
Note 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, oil pan (upper) (2WD models) or oil cooler bracket (AWD models).
2WD Models
Align cutout on oil cooler with protrusion on oil pan (upper) side, and
tighten connector bolt.
AWD Models
Align cutout on oil cooler with protrusion on oil cooler bracket side,
and tighten connector bolt.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and the engine coolant level and add engine oil and engine coolant. Refer to
LU-5, "
Inspection" and refer to CO-10, "Inspection".
2. Start the engine, and check there is no leaks of engine oil or engine coolant.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level and the engine coolant level again. Refer to LU-5, "
Inspection" and refer to CO-
10, "Inspection".
SBIA0459E
SBIA0460E
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OIL PUMPLU-15
< SERVICE INFORMATION > [VQ35DE]
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OIL PUMP
ComponentINFOID:0000000001325820
Removal and InstallationINFOID:0000000001325821
REMOVAL
1. Remove oil pans (lower and upper) and oil strainer. Refer to
EM-30, "Component (2WD Models)".
2. Remove front timing chain case and timing chain (primary). Refer to EM-64, "
Component".
3. Remove oil pump assembly.
INSTALLATION
CAUTION:
Before installation, apply new engine oil to the parts as instructedin the figure.
Note the following, and install in the reverse order of removal.
 When installing, align crankshaft flat faces with oil pump inner rotor flat faces.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to LU-5, "Inspection".
2. Start the engine, and check there is no leaks of engine oil.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level and adjust the level. Refer to LU-5, "
Inspection".
Disassembly and AssemblyINFOID:0000000001325822
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
1. Oil pump body 2. Oil pump outer rotor 3. Oil pump inner rotor
4. Oil pump cover 5. Regulator valve plug 6. Regulator valve spring
7. Regulator valve
SBIA0481E
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LU-16
< SERVICE INFORMATION >[VQ35DE]
OIL PUMP
 Measure the clearance with feeler gauge.
- Clearance between oil pump outer rotor and oil pump body (posi-
tion “1”)
- Tip clearance between oil pump inner rotor and oil pump outer rotor (position “2”)
 Measure the 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 BODY INNER DIAMETER
- Measure the inner diameter of oil pump body with inside microme-
ter. (Position “5”)
OIL PUMP INNER ROTOR OUTER DIAMETER
- Measure the outer diameter of protruded portion of oil pump inner rotor with micrometer. (Position “6”)
OIL PUMP INNER ROTOR TO OIL PUMP BODY CLEARANCE- (Clearance) = (Oil pump body inner diamete r) – (Oil pump inner rotor outer diameter)
 If measured/calculated values are out of the standard, replace oil pump assembly.
Regulator Valve Clearance
(Clearance) = (Valve hole diameter) – (Regulator valve outer diame-
ter)
 If the calculated value is out of the standard, replace oil pump
assembly.
CAUTION:
 Coat regulator valve with engine oil.
 Make sure that it falls smooth ly into valve hole by its own
weight.
ASSEMBLY
Standard : 0.114 - 0.260 mm (0.004 - 0.010 in)
Standard : Below 0.180 mm (0.007 in)
SLC932A
Standard : 0.030 - 0.070 mm (0.001 - 0.003 in)
Standard : 0.050 - 0.110 mm (0.002 - 0.004 in)
SLC933A
PBIC0821E
Standard : 0.045 - 0.091 mm (0.0018 - 0.0036 in)
Standard : 0.040 - 0.097 mm (0.0016 - 0.0038 in)
PBIC0822E
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LU-18
< SERVICE INFORMATION >[VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Standard and LimitINFOID:0000000001325823
ENGINE OIL PRESSURE
Unit: kPa (kg/cm2, psi)
*: Engine oil temperature at 80
°C (176 °F)
ENGINE OIL CAPACITY (APPROXIMATE)
Unit: (US qt, lmp qt)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
Engine speed Approximate discharge pressure*
Idle speed More than 98 (1.0, 14)2,000 rpm More than 294 (3.0, 43)
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)
Oil pump body to oil pump outer rotor radial clearance 0.114 - 0.260 (0.004 - 0.010)
Oil pump inner rotor to oil pump outer rotor tip clearance Below 0.180 (0.007)
Oil pump body to oil pump inner rotor axial clearance 0.030 - 0.070 (0.001 - 0.003)
Oil pump body to oil pump outer rotor axial clearance 0.050 - 0.110 (0.002 - 0.004)
Oil pump inner rotor to brazed portion of housing clearance 0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump cover clearance 0.040 - 0.097 (0.0016 - 0.0038)
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PRECAUTIONSLU-19
< SERVICE INFORMATION > [VK45DE]
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SERVICE INFORMATION
PRECAUTIONS
Precaution for Liquid GasketINFOID:0000000001325824
LIQUID GASKET APPLICATION PROCEDURE
1. Remove old liquid gasket adhering to the liquid gasket application surface and the mating surface.
 Remove liquid gasket completely from the liquid gasket application surface, mounting bolts, and bolt
holes.
2. Wipe the liquid gasket application surface and the mating surface with white gasoline (lighting and heating use) to remove adhering moisture, grease and foreign materials.
3. Apply liquid gasket to the liquid gasket application surface. Use Genuine RTV Silicone Seal ant or equivalent. Refer to GI-44
.
 Within five minutes of liquid gasket application, install the mating component.
 If liquid gasket protrudes, wipe it off immediately.
 Do not retighten mounting bolts or nuts after the installation.
 After 30 minutes or more have passed from the installation, fill engine oil and engine coolant.
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ENGINE OILLU-23
< SERVICE INFORMATION > [VK45DE]
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ENGINE OIL
InspectionINFOID:0000000001325829
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 15 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
2. Insert oil level gauge and make sure the engine oil level is within the range shown in the figure.
3. If it is out of range, adjust it.
ENGINE OIL APPEARANCE
 Check engine oil for white turbidity or heavy contamination.
 If engine oil becomes turbid and white, it is highl y probable that it is contaminated with engine coolant.
Repair or replace damaged parts.
ENGINE OIL LEAKAGE
Check for oil leakage around the following area.
Oil pan
 Oil pan drain plug
 Oil pressure switch
 Oil filter
 Oil cooler
 Intake valve timing control cover
 Intake valve timing control solenoid valve
 Front cover
 Chain tensioner cover
 Mating surface between cylinder block and cylinder head
 Mating surface between cylinder head and rocker cover
 Crankshaft oil seals (front and rear)
OIL PRESSURE CHECK
WARNING:
 Be careful not to burn yoursel f, as engine oil may be hot.
 Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to "ENGINE OIL LEVEL".
2. Remove front engine undercover with power tool.
3. Disconnect harness connector at oil pressure switch, and remove oil pressure switch using deep socket (commercial ser-
vice tool).
CAUTION:
Do not drop or shock oil pressure switch.
PBIC0801E
PBIC1524E
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LU-24
< SERVICE INFORMATION >[VK45DE]
ENGINE OIL
4. Install oil pressure gauge and hose (SST).
5. Start engine and warm it up to normal operating temperature.
6. Check the engine oil pressure with engine running under no-load.
NOTE:
When engine oil temperature is low, engine oil pressure becomes high.
Engine oil pressure [Eng ine oil temperature at 80°C (176 °F)]
Uni t: kPa (kg/cm2, psi)
If difference is extreme, check oil passage and oil pump for oil leaks.
7. 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 the specification. Use Genuine RTV Silicone Seal ant or equivalent. Refer to GI-44, "
Recommended Chemical Prod-
uct and Sealant".
c. After warming up engine, make sure there is no leakage of engine oil with running engine.
Changing Engine OilINFOID:0000000001325830
WARNING:
 Be careful not to burn yoursel f, as engine oil may be hot.
 Prolonged and repeated contact with used engine oil may cause ski n 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 engine oil leakage from engine components. Refer
to LU-23, "
Inspection".
3. Stop engine and wait for 15 minutes.
4. Loosen oil filler cap, and then remove drain plug.
5. Drain engine oil.
SLC926
Engine speed Approximate discharge pressure
Idle speed More than 98 (1.0, 14)2,000 rpm More than 294 (3.0, 43)
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
PBIC0993E
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