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ENGINE LUBRICATION SYSTEM

B ENGINE

ENGINE LUBRICATION SYSTEM
SECTION LU LU

E
CONTENTS
PRECAUTIONS ......................................................... 2. OIL COOLER ........................................................... 10
. F
Precautions for Liquid Gasket ................................. 2 . Removal and Installation ....................................... 10 .
LIQUID GASKET APPLICATION PROCEDURE 2 ..... REMOVAL .......................................................... 10
.
PREPARATION .......................................................... 3
. INSPECTION AFTER REMOVAL ...................... 10 . G
Special Service Tools .............................................. 3. INSTALLATION .................................................. 10 .
Commercial Service Tools ....................................... 3 . INSPECTION AFTER INSTALLATION ............... 10 .
LUBRICATION SYSTEM ........................................... 4 . OIL PUMP ................................................................ 12
.
H
Lubrication Circuit ................................................... 4
. Removal and Installation ....................................... 12 .
System Chart .......................................................... 5
. REMOVAL .......................................................... 12
.
ENGINE OIL .............................................................. 6
. INSTALLATION .................................................. 12 .
Inspection ................................................................ 6
. INSPECTION AFTER INSTALLATION ............... 12 . I
ENGINE OIL LEVEL ............................................ 6 . Disassembly and Assembly ................................... 12 .
ENGINE OIL APPEARANCE ............................... 6 . DISASSEMBLY .................................................. 12 .
ENGINE OIL LEAKAGE ....................................... 6 . INSPECTION AFTER DISASSEMBLY ............... 13 . J
OIL PRESSURE CHECK ..................................... 6 . ASSEMBLY ........................................................ 14
.
Changing Engine Oil ............................................... 7 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 15 .
OIL FILTER ................................................................ 9
. Standard and Limit ................................................. 15
.
K
Removal and Installation ......................................... 9 . OIL PRESSURE ................................................. 15 .
REMOVAL ............................................................ 9
. ENGINE OIL CAPACITY (APPROXIMATE) ....... 15 .
INSTALLATION .................................................... 9 . OIL PUMP .......................................................... 15
.
INSPECTION AFTER INSTALLATION ................ 9 . REGULATOR VALVE ......................................... 15 . L

Revision: 2006 July LU-1 2006 X-Trail
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Liquid Gasket ABS00CJR

LIQUID GASKET APPLICATION PROCEDURE
1. Remove old liquid gasket adhering to the liquid gasket application surface and the mating surface.
q 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. Attach liquid gasket tube to the tube presser [SST: WS39930000
( -- )].
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-47, "RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
q Within 5 minutes of liquid gasket application, install the mating
component.
q If liquid gasket protrudes, wipe it off immediately.

q Do not retighten mounting bolts or nuts after the installation.

q Wait 30 minutes or more after installation before refilling
EMA0622D
engine oil and engine coolant.

Revision: 2006 July LU-2 2006 X-Trail
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools ABS00CJS

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number LU
(Kent-Moore No.) Description
Tool name

ST25051001 Measuring oil pressure
C
(J25695-1) Maximum measuring range:
Oil pressure gauge 2,452 kPa (25 kg/cm2 , 356 psi)

NT050

ST25052000 Adapting oil pressure gauge to oil pan (upper)
E
(J25695-2)
Hose
F

S-NT559
G
KV10115801 Removing and installing oil filter
(J-38956) a: 64.3 mm (2.531 in)
Oil filter wrench
H

I
S-NT375

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

K
NT052

Commercial Service Tools ABS00CJT
L
Tool name Description

Deep socket Removing and installing oil pressure switch M
a: 27 mm (1.06 in)

PBIC4066E

Revision: 2006 July LU-3 2006 X-Trail
LUBRICATION SYSTEM

LUBRICATION SYSTEM PFP:15010

Lubrication Circuit ABS00CJU

PBIC2270E

Revision: 2006 July LU-4 2006 X-Trail
LUBRICATION SYSTEM

System Chart ABS00CJV

PBIC2753E I

Revision: 2006 July LU-5 2006 X-Trail
ENGINE OIL

ENGINE OIL PFP:KLA92

Inspection ABS00CJW

ENGINE OIL LEVEL
NOTE:
Before starting the engine, put the vehicle horizontally and check the engine oil level. If the engine is already
started, stop it and allow 10 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.

PBIC0249E

ENGINE OIL APPEARANCE
q Check engine oil for white turbidity or heavy contamination.
q 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 engine oil leakage around the following area.
q Oil pans (lower and upper)
q Oil pan drain plug
q Oil pressure switch
q Oil filter
q Oil cooler
q Intake valve timing control cover and intake valve timing control solenoid valve
q Front cover
q Mating surface between cylinder block and lower cylinder block
q Mating surface between cylinder block and cylinder head
q Mating surface between cylinder head and rocker cover
q Crankshaft oil seals (front and rear)
OIL PRESSURE CHECK
WARNING:
q Be careful not to burn yourself, as engine oil may be hot.
q Engine oil pressure check should be in " Parking position" (A/T models) or "Neutral position" (M/T
models), and should apply parking brake securely.
1. Check the engine oil level. Refer to LU-6, "ENGINE OIL LEVEL" .
2. Remove RH undercover.

Revision: 2006 July LU-6 2006 X-Trail
ENGINE OIL

3. Disconnect harness connector at oil pressure switch, and
remove oil pressure switch using a deep socket (commercial A
service tool).
CAUTION:
Do not drop or shock oil pressure switch. LU

PBIC2272E

D
4. Install the oil pressure gauge and the hose (SST).

G
SLC926

5. Start the engine and warm it up to normal operating temperature. H
6. Check oil pressure with the engine running under no-load.
NOTE:
When engine oil temperature is low, engine oil pressure becomes high. I
Engine oil pressure [Engine oil temperature at 80

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