Nissan Pathfinder (2005 year). Instruction — part 345
LU-1
ENGINE LUBRICATION SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION
A
LU
2005 Pathfinder
PRECAUTIONS . . . . . . . . . . . . . . .. 2
Precautions for Liquid Gasket . . . . . . . . .. 2
LIQUID GASKET APPLICATION PROCEDURE. . 2
PREPARATION . . . . . . . . . . . . . . ... 3
Special Service Tools . . . . . . . . . . . ... 3
Commercial Service Tools . . . . . . . . . . 3
LUBRICATION SYSTEM . . . . . . . . . . . 4
Lubrication Circuit . . . . . . . . . . . . . 4
System Chart . . . . . . . . . . . . . . ... 5
ENGINE OIL . . . . . . . . . . . . . . . ... 6
Inspection . . . . . . . . . . . . . . . . . 6
Changing Engine Oil . . . . . . . . . . . . 8
OIL FILTER . . . . . . . . . . . . . . . . . 9
Removal and Installation . . . . . . . . . . .. 9
OIL COOLER . . . . . . . . . . . . . . . 10
Removal and Installation . . . . . . . . . . 10
OIL PUMP . . . . . . . . . . . . . . . . . 12
Removal and Installation . . . . . . . . . . 12
Disassembly and Assembly . . . . . . . . . 12
SERVICE DATA AND SPECIFICATIONS (SDS) . .. 15
LU-2
PRECAUTIONS
2005 Pathfinder
PRECAUTIONS
PFP:00001
Precautions for Liquid Gasket
EBS00KJ9
LIQUID GASKET APPLICATION PROCEDURE
1.
Remove old liquid gasket adhering to the liquid gasket applica-
tion surface and the mating surface, Using scraper.
●
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.
3.
Attach liquid gasket tube to Tool.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "Recommended Chemical Products and Sealants"
.
4.
Apply liquid gasket without breaks to the specified location with
the specified dimensions.
●
If there is a groove for the liquid gasket application, apply liq-
uid gasket to the groove.
●
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 instruction.
●
Within five minutes of liquid gasket application, install the mat-
ing component.
●
If liquid gasket protrudes, wipe it off immediately.
●
Do not retighten nuts or bolts after the installation.
●
After 30 minutes or more have passed from the installation, fill
engine oil and engine coolant.
CAUTION:
If there are specific instructions in this instruction, observe them.
PBIC0003E
Tool number
: WS39930000 (
—
)
WBIA0567E
SEM159F
PREPARATION
LU-3
C
D
E
F
G
H
I
J
K
L
M
A
LU
2005 Pathfinder
PREPARATION
PFP:00002
Special Service Tools
EBS00KJA
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
EBS00KJB
Tool number
(Kent-Moore No.)
Tool name
Description
ST25051001
(J-25695-1)
Oil pressure gauge
Measuring oil pressure
Maximum measuring range: 2,452 kPa (25
kg/cm
2
, 356 psi)
ST25052000
(J-25695-2)
Hose
Adapting oil pressure gauge to oil pan (upper)
KV10115801
(J-38956)
Oil filter wrench
Removing oil filter
a: 64.3 mm (2.531 in)
WS39930000
(
—
)
Tube presser
Pressing the tube of liquid gasket
NT050
S-NT559
S-NT375
NT052
Tool name
Description
Power tool
Loosening nuts and bolts
Deep socket
Removing and installing oil pressure sensor
a: 24 mm (0.94 in)
PBIC0190E
PBIC2072E
LU-4
LUBRICATION SYSTEM
2005 Pathfinder
LUBRICATION SYSTEM
PFP:15010
Lubrication Circuit
EBS00KJC
PBIC2821E
LUBRICATION SYSTEM
LU-5
C
D
E
F
G
H
I
J
K
L
M
A
LU
2005 Pathfinder
System Chart
EBS00KJD
PBIC2822E
LU-6
ENGINE OIL
2005 Pathfinder
ENGINE OIL
PFP:KLA92
Inspection
EBS00KJE
ENGINE OIL LEVEL
Before starting the engine make sure the vehicle is parked on a flat and level surface, then check the oil level.
If the engine is already running, turn it off 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 as indicated on gauge.
3.
If the engine oil is out of range, add oil as necessary.
ENGINE OIL APPEARANCE
●
Check engine oil for white milky or excessive contamination.
●
If engine oil becomes milky, 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 areas:
●
Oil pans (lower and upper)
●
Oil pan drain plug
●
Oil pressure sensor
●
Oil filter
●
Oil cooler
●
Water pump cover
●
Chain tensioner cover
●
Intake valve timing control cover and intake valve timing control solenoid valve
●
Mating surface between cylinder block and cylinder head
●
Mating surface between lower cylinder block and cylinder block
●
Mating surface between cylinder head and rocker cover
●
Mating surface between front timing chain case and rear timing chain case
●
Mating surface between rear timing chain case and cylinder head
●
Mating surface between rear timing chain case and cylinder block
●
Mating surface between rear timing chain case and lower cylinder block
●
Mating surface between rear timing chain case and oil pan (upper)
●
Crankshaft oil seals (front and rear)
●
Oil level gauge guide
●
Camshaft position sensor (PHASE)
PBIC2823E
ENGINE OIL
LU-7
C
D
E
F
G
H
I
J
K
L
M
A
LU
2005 Pathfinder
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” (A/T models).
1.
Check engine oil level. Refer to
.
2.
Remove undercover with power tool.
3.
Disconnect oil pressure sensor harness connector.
4.
Disconnect harness connector at oil pressure sensor, and
remove oil pressure sensor.
CAUTION:
Do not drop or shock oil pressure sensor.
5.
Install Tools.
6.
Start engine and warm it up to normal operating temperature.
7.
Check 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.
8.
After the inspections, install oil pressure sensor as follows:
a.
Remove old liquid gasket adhering to oil presser sensor and engine.
b.
Apply liquid gasket and tighten oil pressure sensor to the specification.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "Recommended Chemical Prod-
.
c.
After warming up engine, make sure there is no leakage of engine oil with running engine.
LBIA0424E
Tool numbers
: ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)
WBIA0571E
Engine speed
rpm
Approximate discharge pressure
kPa (kg/cm
2
, psi)
Idle speed
More than 98 (1.0, 14)
2,000
More than 294 (3.0, 43)
Oil pressure sensor torque
: 14.7 N·m (1.5 kg-m, 11 ft-lb)
LU-8
ENGINE OIL
2005 Pathfinder
Changing Engine Oil
EBS00KJF
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.
Warm up engine, put vehicle on flat and level surface then check for engine oil leakage from engine com-
ponents. Refer to
.
2.
Stop engine and wait for 10 minutes.
3.
Loosen oil filler cap and then remove drain plug.
4.
Drain engine oil.
5.
Install drain plug with new washer. Refer to
EM-26, "OIL PAN AND OIL STRAINER"
.
CAUTION:
Be sure to clean drain plug and install with new washer.
6.
Refill with new engine oil.
Engine oil specification and viscosity:
Refer to
MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS"
.
Engine oil capacity (Approximate):
Unit:
(US qt, Imp 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.
7.
Warm up engine and check area around drain plug and oil filter for oil leakage.
8.
Stop engine and wait for 10 minutes.
9.
Check the engine oil level. Refer to
.
Oil pan drain plug
: 34.3 N·m (3.5 kg-m, 25ft-lb)
Drain and refill
With oil filter change
5.1 (5 3/8, 4-1/2)
Without oil filter change
4.8 (5-1/8, 4-1/4)
Dry engine (Overhaul)
6.3 (6-5/8, 5-1/2)
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