Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti QX56 JA60 2004-2005 Approved 2004_QX56 lu

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B ENGINE

ENGINE LUBRICATION SYSTEM
SECTION LU LU

E
CONTENTS
PRECAUTIONS ......................................................... 2. OIL COOLER ........................................................... 11
. F
Precautions for Liquid Gasket ................................. 2 . Removal and Installation ....................................... 11 .
REMOVAL OF LIQUID GASKET SEALING ......... 2 . REMOVAL .......................................................... 11
.
LIQUID GASKET APPLICATION PROCEDURE 2 ..... INSPECTION AFTER REMOVAL ...................... 11 . G
PREPARATION .......................................................... 3
. INSTALLATION .................................................. 12 .
Special Service Tools .............................................. 3. INSPECTION AFTER INSTALLATION ............... 12 .
Commercial Service Tool ........................................ 4 . OIL PUMP ................................................................ 13
.
H
LUBRICATION SYSTEM ........................................... 5 . Removal and Installation ....................................... 13 .
Lubrication Circuit ................................................... 5
. REMOVAL .......................................................... 13
.
System Drawing ...................................................... 6
. INSTALLATION .................................................. 13 .
ENGINE OIL .............................................................. 7
. INSPECTION AFTER INSTALLATION ............... 14 . I
Inspection ................................................................ 7
. Disassembly and Assembly ................................... 14 .
OIL LEVEL ........................................................... 7
. DISASSEMBLY .................................................. 14 .
OIL APPEARANCE .............................................. 7 . INSPECTION AFTER DISASSEMBLY ............... 14 . J
OIL LEAKAGE ...................................................... 7. ASSEMBLY ........................................................ 15
.
OIL PRESSURE CHECK ..................................... 7 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 16 .
Changing Engine Oil ............................................... 8 . Standard and Limit ................................................. 16
.
K
OIL FILTER .............................................................. 10
. OIL PRESSURE ................................................. 16 .
Removal and Installation ....................................... 10 . OIL PUMP .......................................................... 16
.
REMOVAL .......................................................... 10
. REGULATOR VALVE ......................................... 16 .
INSTALLATION .................................................. 10 . ENGINE OIL CAPACITY (APPROXIMATE) ....... 16 . L
INSPECTION AFTER INSTALLATION .............. 10 .

Revision: August 2007 LU-1 2004 QX56
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Liquid Gasket EBS00I4E

REMOVAL OF LIQUID GASKET SEALING
G After removing the bolts and nuts, separate the mating surface
and remove the old liquid gasket sealing using Tool.
Tool number : KV10111100 (J-37228)
CAUTION:
Do not damage the mating surfaces.
G Tap the seal cutter to insert it.
G In areas where the Tool is difficult to use, lightly tap to slide it.

WBIA0566E

LIQUID GASKET APPLICATION PROCEDURE
1. Remove the old liquid gasket adhering to the gasket application
surface and the mating surface using suitable tool.
G Remove the liquid gasket completely from the groove of the
liquid gasket application surface, bolts, and bolt holes.
2. Thoroughly clean the mating surfaces and remove adhering
moisture, grease and foreign material.

PBIC0003E

3. Attach the liquid gasket tube to the Tool.
Tool number : WS39930000 ( -- )
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "Recommended Chemical Products and Sealants" .
4. Apply the liquid gasket without breaks to the specified location
with the specified dimensions.

WBIA0567E

G If there is a groove for the liquid gasket application, apply the
liquid gasket to the groove.
G As for the bolt holes, normally apply the liquid gasket inside
the holes. If specified in the procedure, it should also be
applied outside the holes.
G Within five minutes of liquid gasket application, install the mat-
ing component.
G If the liquid gasket protrudes, wipe it off immediately.

G Do not retighten after the installation.

G Wait 30 minutes or more after installation before refilling the SEM159F

engine with engine oil and engine coolant.
CAUTION:
If there are specific instructions in this manual, observe them.

Revision: August 2007 LU-2 2004 QX56
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools EBS00I4F

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number Description
LU
(Kent-Moore No.)
Tool name
ST25051001 Measuring oil pressure
(J-25695-1) Maximum measuring range: C
Oil pressure gauge 2,452 kPa (25 kg/cm2 , 356 psi)

S-NT050

ST25052000 Adapting oil pressure gauge to cylinder block E
(J-25695-2)
Hose

S-NT559
G
KV10111100 Removing steel oil pan and rear timing chain
(J-37228) case
Seal cutter
H

NT046 I
KV10115801 Removing and installing oil filter
(J-38956) a: 64.3 mm (2.531 in)
Oil filter wrench J

K
S-NT375

WS39930000 Pressing the tube of liquid gasket
( -- ) L
Tube presser

S-NT052

Revision: August 2007 LU-3 2004 QX56
PREPARATION

Commercial Service Tool EBS00I4G

Tool name Description
Power tool Loosening bolts and nuts

PBIC0190E

Deep socket Removing and installing oil pressure sensor
Deep socket 26 mm (1.02 in)

NT818

Revision: August 2007 LU-4 2004 QX56
LUBRICATION SYSTEM

LUBRICATION SYSTEM PFP:15010
A
Lubrication Circuit EBS00I4H

WBIA0399E

1. Exhaust camshaft 2. Intake camshaft 3. Main oil galley J
4. Chain tensioner (Left bank) 5. Oil filter 6. Oil cooler
7. Oil pan 8. Oil strainer 9. Oil pump
10. Chain tensioner (Right bank) K

Revision: August 2007 LU-5 2004 QX56
LUBRICATION SYSTEM

System Drawing EBS00I4I

PBIC1901E

Revision: August 2007 LU-6 2004 QX56
ENGINE OIL

ENGINE OIL PFP:KLA92
A
Inspection EBS00I4J

OIL LEVEL
G Before starting the engine make sure the vehicle is parked on a LU
flat and level surface, then check the oil level. If the engine is
already running, turn it off and allow 10 minutes before check-
ing.
G Check that the oil level is within the low (L) and high (H) range C
as indicated on the dipstick.
G If the engine oil level is out of range, add oil as necessary. Refer
to GI-45, "Recommended Chemical Products and Sealants" . D

SMA954C
E
OIL APPEARANCE
G Check the engine oil for a white milky appearance or excessive contamination.
G If the engine oil is milky, it is highly probable that it is contaminated with engine coolant. Repair the broken F
parts.
OIL LEAKAGE
G
Check for oil leakage around the following areas.
G Oil pan
G Oil pan drain plug H
G Oil pressure sensor
G Oil filter
G Oil cooler I
G Intake valve timing control cover
G Intake valve timing control solenoid valve
J
G Front cover
G Mating surface between cylinder block and cylinder head
G Mating surface between cylinder head and rocker cover
K
G Crankshaft oil seal (front and rear)
OIL PRESSURE CHECK
WARNING: L
G Be careful not to burn yourself, as engine oil may be hot.
G Put the selector lever in the Park "P" position.
1. Check the engine oil level. Refer to LU-7, "OIL LEVEL" . M
2. Remove engine front undercover using power tool.
3. Disconnect the oil pressure sensor harness connector.
4. Remove the oil pressure sensor.

WBIA0538E

Revision: August 2007 LU-7 2004 QX56
ENGINE OIL

5. Install Tools.
Tool number : ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)

WBIA0571E

6. Start the engine and warm it up to normal operating temperature.
7. Check the engine oil pressure with engine running under no-load.
Engine oil pressure [Engine oil temperature at 80

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