check engine INFINITI FX35 2005 Service Manual

ENGINE OIL LU-9
[VQ35DE]
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Revision: 2005 July 2005 FX
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 equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
c. After warming up engine, make sure there is no leakage of engine oil with running engine.
Changing Engine OilABS004SV
WARNING:

Be careful not to get 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 the engine, and check for engine oil leakage from engine components. Refer to LU-7, "
ENGINE
OIL LEAKAGE" .
3. Stop the engine and wait for 10 minutes.
4. Loosen oil filler cap and then remove drain plug.
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-30, "
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, 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. Refer to LU-7, "
ENGINE OIL LEVEL" .
Oil pressure switch:
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
Oil pan drain plug: : 34.3 N·m (3.5 kg-m, 25 ft-lb)
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)

LU-10
[VQ35DE]
OIL FILTER
Revision: 2005 July 2005 FX
OIL FILTERPFP:15208
Removal and InstallationABS004SW
REMOVAL
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.

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 adheres to engine
and vehicle.
INSTALLATION
1. Remove foreign materials 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. Or tighten to the specification.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to LU-7, "ENGINE OIL" .
2. Start the engine, and check there is no leak of engine oil.
SBIA0454E
SBIA0455E
SMA010
Oil filter:
: 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B

OIL FILTER LU-11
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Revision: 2005 July 2005 FX
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level, and adjust the level. Refer to LU-7, "
ENGINE OIL" .

OIL FILTER BRACKET (AWD) LU-13
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INSPECTION AFTER INSTALLATION
1. Check the engine oil level and add engine oil. Refer to LU-7, "ENGINE OIL" .
2. Start the engine, and check there is no leak of engine oil.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level again. Refer to LU-7, "
ENGINE OIL" .

LU-16
[VQ35DE]
OIL COOLER
Revision: 2005 July 2005 FX
CAUTION:
Do not spill engine oil to rubber parts such as drive belts and engine mounting insulator.
6. Remove water pipes, as necessary.
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
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 Model
Align cutout on oil cooler with protrusion on oil pan (upper) side, and
tighten connector bolt.
AW D M od e l
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-7, "
ENGINE OIL" and Refer to CO-11, "ENGINE COOLANT" .
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-7, "
ENGINE OIL" and Refer to
CO-11, "
ENGINE COOLANT" .
SBIA0459E
SBIA0460E

OIL PUMP LU-17
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Revision: 2005 July 2005 FX
OIL PUMPPFP:15010
ComponentsABS00E7W
Removal and InstallationABS004SY
REMOVAL
1. Remove oil pans (lower and upper) and oil strainer. Refer to EM-30, "OIL PAN AND OIL STRAINER" .
2. Remove front timing chain case and timing chain (primary). Refer to EM-64, "
TIMING CHAIN" .
3. Remove oil pump assembly.
INSTALLATION
CAUTION:
Before installation, apply new engine oil to the parts as instructed in 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-7, "ENGINE OIL" .
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-7, "
ENGINE OIL" .
Disassembly and AssemblyABS004SZ
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.
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

ENGINE OIL LU-25
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Revision: 2005 July 2005 FX
ENGINE OILPFP:KLA92
InspectionABS006J4
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 highly 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 yourself, as engine oil may be hot.

Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to LU-25, "
ENGINE OIL LEVEL" .
2. Remove front engine undercover with power tool.
PBIC0801E

LU-26
[VK45DE]
ENGINE OIL
Revision: 2005 July 2005 FX
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.
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 [Engine oil temperature at 80 °C (176 °F)]
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 Sealant or equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
c. After warming up engine, make sure there is no leakage of engine oil with running engine.
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)

ENGINE OIL LU-27
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Revision: 2005 July 2005 FX
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 engine oil leakage 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.
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-185, "
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 GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS" .
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 oil level gauge to determine the proper amount of engine oil in 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)
PBIC0993E
Drain and refill With 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: 2005 July 2005 FX
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 new 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. Check the engine oil level. Refer to LU-25, "ENGINE OIL" .
2. Start engine, and check there is no leaks of engine oil.
3. Stop engine and wait for 15 minutes.
4. Check the engine oil level and adjust engine oil. Refer to LU-25, "
ENGINE OIL" .
PBIC1525E
SMA010
Oil filter:
:17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B