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B ENGINE

LU
SECTION
ENGINE LUBRICATION SYSTEM C

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

Revision: May 2006 LU-1 2007 Maxima
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Liquid Gasket EBS00RDL

REMOVAL OF LIQUID GASKET SEALING
G After removing nuts and bolts, separate the mating surface, using Tool and remove old liquid gasket seal-
ing.
Tool number : KV10111100 (J-37228)
CAUTION:
Be careful not to damage the mating surfaces.
G Tap Tool to insert it (1), and then slide it by tapping on the side
(2) as shown.
G In areas where Tool is difficult to use, use plastic hammer to
lightly tap the parts, to remove it.
CAUTION:
If for some unavoidable reason suitable tool such as screw-
driver is used, be careful not to damage the mating sur- WBIA0566E

faces.
LIQUID GASKET APPLICATION PROCEDURE
1. Remove old liquid gasket adhering to the liquid gasket applica-
tion surface and the mating surface, using scraper.
G Remove 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 materials.

PBIC0003E

3. Attach liquid gasket tube to Tool.
Tool number : WS39930000 ( -- )
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-46, "Recommended Chemical Products and Sealants" .
4. Apply liquid gasket without breaks to the specified location with
the specified dimensions.
G If there is a groove for the liquid gasket application, apply liq-
uid gasket to the groove.

WBIA0567E

G As for the bolt holes, normally apply liquid gasket inside the
holes. Occasionally, it should be applied outside the holes.
Make sure to read the text of service manual.
G Within five minutes of liquid gasket application, install the mat-
ing component.
G If liquid gasket protrudes, wipe it off immediately.

G Do not retighten nuts or bolts after the installation.

G After 30 minutes or more have passed from the installation, fill
engine oil and engine coolant.
CAUTION: SEM159F
If there are specific instructions in this manual, observe them.

Revision: May 2006 LU-2 2007 Maxima
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools EBS00RDM

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: 2,452 kPa (25 C
Oil pressure gauge kg-cm2 , 356 psi)

NT050

ST25052000 Adapting oil pressure gauge to upper oil pan E
(J-25695-2)
Hose

S-NT559
G
KV10115801 Removing and installing oil filter
(J-38956)
Oil filter wrench
H

S-NT772
I
KV10111100 Removing steel oil pan and rear timing chain
(J-37228) case
Seal cutter J

K
S-NT046

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

NT052

Commercial Service Tool EBS00RDN

Revision: May 2006 LU-3 2007 Maxima
PREPARATION

Tool name Description
Deep socket Removing and installing oil pressure switch
Deep socket 26 mm, 3/8 drive

NT818

Power tools Loosening nuts and bolts

PBIC0190E

Revision: May 2006 LU-4 2007 Maxima
LUBRICATION SYSTEM

LUBRICATION SYSTEM PFP:15010
A
Lubrication Circuit EBS00RDO

WBIA0140E

Revision: May 2006 LU-5 2007 Maxima
LUBRICATION SYSTEM

System Drawing EBS00RDP

WBIA0141E

Revision: May 2006 LU-6 2007 Maxima
ENGINE OIL

ENGINE OIL PFP:KLA92
A
Inspection EBS00RDQ

OIL LEVEL
NOTE: LU
G Before starting the engine, check the oil level. If the engine is
already started, stop it and allow 10 minutes before checking.
G Check that the oil level is within the range as indicated on the
dipstick. C
G If it is out of range, add oil as necessary. Refer to MA-9, "Fluids
and Lubricants" .
D

E
SMA954C

ENGINE OIL APPEARANCE
G Check engine oil for white milky or excessive contamination. F
G If engine oil becomes milky, it is highly probable that it is contaminated with engine coolant. Repair or
replace damaged parts.
OIL LEAKAGE G
Check for oil leakage around the following areas:
G Oil pan H
G Oil pan drain plug
G Oil pressure sensor
G Oil filter I
G Oil cooler
G IVTC cover
G Intake valve timing control cover J
G Front cover
G Mating surface between cylinder block and cylinder head
K
G Mating surface between cylinder head and rocker cover
G Crank oil seal (front and rear)
L

Revision: May 2006 LU-7 2007 Maxima
ENGINE OIL

OIL PRESSURE CHECK
WARNING:
G Be careful not to burn yourself, as engine oil may be hot.
G For CVT models, put the selector lever in the Park "P" position.
1. Check the oil level.
2. Disconnect oil pressure switch harness connector.
3. Remove oil pressure sensor.

4. Install the pressure gauge.
5. Start the engine and warm it up to normal operating tempera-
ture.
6. Check oil pressure with engine running under no-load, using
Tool
Tool numbers : ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)

Engine speed Approximate discharge pressure
rpm kPa (kg/cm2 , psi) WBIA0571E

Idle speed More than 98 (1.0, 14)
2,000 294 (3.0, 43)

If difference is extreme, check oil passage and oil pump for oil leaks.
7. After the inspections, install the oil pressure switch as follows:
a. Remove the old sealant adhering to switch and engine.
b. Apply thread sealant and tighten the oil pressure switch to specification.
Use Genuine High Performance Thread Sealant, or equivalent. Refer to GI-46, "Recommended
Chemical Products and Sealants" .
Oil pressure switch : 14.7 N

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