2011 INFINITI QX56 Factory Service Manual

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Page 3657 of 5598

INFINITI QX56 2011 Factory Service Manual
LU-4
< PREPARATION >
PREPARATION
Tool nameDescription
Tube presser Pressing the tube of liquid gasket
Power tool Loosening bolts and nuts
Deep socket Removing and installing oil pressure switch
Deep

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INFINITI QX56 2011 Factory Service Manual
LUBRICATION SYSTEMLU-5
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
LUBRICATION SYSTEM
Engine Lubrication SystemINFOID:0000000006289614
JPBIA3511GB
Revision: 2010 May2011

Page 3659 of 5598

INFINITI QX56 2011 Factory Service Manual
LU-6
< SYSTEM DESCRIPTION >
LUBRICATION SYSTEM
Engine Lubrication System Schematic
INFOID:0000000006289615
JPBIA3532GB
Revision: 2010 May2011 QX56

Page 3660 of 5598

INFINITI QX56 2011 Factory Service Manual
ENGINE OILLU-7
< PERIODIC MAINTENANCE >
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PERIODIC MAINTENANCE
ENGINE OIL
InspectionINFOID:0000000006289616
OIL LEVEL
NOTE:
Before starting engine, put vehicle horizontal

Page 3661 of 5598

INFINITI QX56 2011 Factory Service Manual
LU-8
< PERIODIC MAINTENANCE >
ENGINE OIL
5. Install the oil pressure gauge [SST: ST25051001 (J25695-1)] (A)and hose [SST: ST25052000 (J25695-2)] (B).
6. Start the engine and warm it up to normal oper

LU-8
< PERIODIC MAINTENANCE >
ENGINE OIL
5. Install the oil pressure gauge [SST: ST25051001 (J25695-1)] (A)and hose [SST: ST25052000 (J25695-2)] (B).
6. Start the engine and warm it up to normal operating temperature.
7. Check the engine oil pressure with engine running under no-load. Refer to LU-17, "
EngineOilPressure".
CAUTION:
If the difference is extreme, check the oil passages and oil pump for leaks and blockages.
8. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure 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-22, "
Recommended Chemical Prod-
ucts and Sealants".
c. After warming up engine, make sure there is no leakage of engine oil with engine running.
DrainingINFOID:0000000006289617
WARNING:
Be careful not to burn yourself, as th e engine and 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 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 any oil leaks.
2. Stop the engine and wait for at least 10 minutes.
3. Remove drain plug and oil filler cap to drain the old oil.
RefillingINFOID:0000000006289618
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-10, "
Fluids and Lubricants".
CAUTION:
The refill capacity depends on the engine oi l 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 10 minutes.
5. Check the engine oil level. Refer to LU-7, "
Inspection".
JPBIA0074ZZ
Oil pressure switch torque : Refer to EM-57, "Exploded View".
Tightening torque : Refer to EM-54, "
Exploded View".
Engine oil capacity : Refer to LU-17, "
Periodical Maintenance Specification".
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
OIL FILTERLU-9
< PERIODIC MAINTENANCE >
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OIL FILTER
Removal and InstallationINFOID:0000000006289619
REMOVAL
1. Remove front under cover.
2. Drain engine oil. Refer to
L

Page 3663 of 5598

INFINITI QX56 2011 Factory Service Manual
LU-10
< PERIODIC MAINTENANCE >
OIL FILTER
4. Check engine oil level and add engine oil as required.
Revision: 2010 May2011 QX56

Page 3664 of 5598

INFINITI QX56 2011 Factory Service Manual
OIL COOLERLU-11
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
OIL COOLER
Exploded ViewINFOID:0000000006289621
Removal and InstallationINFOID:0000000006289622
WA

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