Nissan Pathfinder (2009 year). Instruction — part 505
OIL PUMP
LU-31
< ON-VEHICLE REPAIR >
[VK56DE]
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3.
Stop the engine and wait 10 minutes.
4.
Check the engine oil level and adjust the engine oil level as required. Refer to
.
2009 Pathfinder
LU-32
< DISASSEMBLY AND ASSEMBLY >
[VK56DE]
OIL PUMP
DISASSEMBLY AND ASSEMBLY
OIL PUMP
Disassembly and Assembly
INFOID:0000000003939453
DISASSEMBLY
1.
Remove oil pump cover.
2.
Remove inner rotor and outer rotor from oil pump body.
3.
Remove the regulator valve plug, regulator valve spring and regulator valve.
INSPECTION AFTER DISASSEMBLY
Clearance of Oil Pump Parts
• Measure radial clearance using a suitable tool.
• Measure side clearance using suitable tools.
• Calculate the clearance between inner rotor and oil pump body as
follows.
1.
Measure the outer diameter of protruded portion of inner rotor
(position 5) using suitable tool.
Body to outer rotor (position 1)
: 0.114 - 0.200 mm (0.0045 - 0.0079 in)
Inner rotor to outer rotor tip (position 2)
: Below 0.180 mm (0.0071 in)
PBIC0139E
Body to inner rotor (position 3)
: 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Body to outer rotor (position 4)
: 0.030 - 0.090 mm (0.0012 - 0.0035 in)
PBIC0140E
PBIC0141E
2009 Pathfinder
OIL PUMP
LU-33
< DISASSEMBLY AND ASSEMBLY >
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2.
Measure the inner diameter of oil pump body to brazed portion
(position 6) using suitable tool.
3.
Calculate the clearance using the following formula.
• (Clearance) = (Inner diameter of oil pump body) - (Outer diameter of inner rotor)
Regulator Valve Clearance
Check regulator valve to oil pump cover clearance using the following formula.
• (Clearance) = D
1
(Valve hole diameter) - D
2
(Outer Diameter of
valve)
CAUTION:
• Coat regulator valve with engine oil.
• Check that it falls smoothly into the regulator valve hole by its
own weight.
ASSEMBLY
Installation is in the reverse order of removal.
NOTE:
Install the oil pump inner rotor and outer rotor with the punched
marks on the oil pump cover side.
PBIC0142E
Inner rotor to brazed portion of housing
clearance
: 0.045 - 0.091 mm (0.0018 - 0.0036 in)
Regulator valve to oil pump cover
: 0.040 - 0.097 mm (0.0016 - 0.0038 in)
PBIC0143E
PBIC0144E
2009 Pathfinder
LU-34
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VK56DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Standard and Limit
INFOID:0000000003939454
OIL PRESSURE
Unit: kPa (kg/cm
2
, psi)
*: Engine oil temperature at 80
°
C (176
°
F)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
ENGINE OIL CAPACITY (APPROXIMATE)
Unit:
(US qt, Imp qt)
Engine speed
rpm
Approximate discharge oil pressure*
Idle speed
More than 98 (1.0, 14)
2,000
More than 294 (3.0, 43)
Body to outer rotor
0.114 - 0.200 (0.0045 - 0.0079)
Inner rotor to outer rotor tip
Below 0.180 (0.0071)
Body to inner rotor
0.030 - 0.070 (0.0012 - 0.0028)
Body to outer rotor
0.030 - 0.090 (0.0012 - 0.0035)
Inner rotor to brazed portion of housing
0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump cover
0.040 - 0.097 (0.0016 - 0.0038)
Drain and refill
With oil filter change
6.5 (6-7/8, 5-3/4)
Without oil filter change
6.2 (6-1/2, 5-1/2)
Dry engine (engine overhaul)
7.6 (8, 6-3/4)
2009 Pathfinder
MA-1
MAINTENANCE
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SECTION
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CONTENTS
MAINTENANCE
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
ON-VEHICLE MAINTENANCE . . . . . .
GENERAL MAINTENANCE . . . . . . . .
General Maintenance . . . . . . . . . . . ....
PERIODIC MAINTENANCE . . . . . . . .
Introduction of Periodic Maintenance . . . . . ....
Schedule 1 . . . . . . . . . . . . . . . ....
Schedule 2 . . . . . . . . . . . . . . . ....
RECOMMENDED FLUIDS AND LUBRI-
CANTS . . . . . . . . . . . . . . . .
Fluids and Lubricants . . . . . . . . . . . ..
Engine Oil Recommendation . . . . . . . . ..
ENGINE MAINTENANCE (VQ40DE) . . . . .
DRIVE BELTS . . . . . . . . . . . . . . ...
DRIVE BELTS : Exploded View . . . . . . . ..
DRIVE BELTS : Checking Drive Belts . . . . .
ENGINE COOLANT . . . . . . . . . . . . ...
ENGINE COOLANT : Changing Engine Coolant ....
FUEL LINES . . . . . . . . . . . . . . . ..
FUEL LINES : Checking Fuel Line . . . . . . ..
FUEL FILTER . . . . . . . . . . . . . . .
FUEL FILTER : Changing Fuel Filter . . . . . ..
AIR CLEANER FILTER . . . . . . . . . . . .
AIR CLEANER FILTER : Exploded View . . . .
AIR CLEANER FILTER : Removal and Installation
.
ENGINE OIL . . . . . . . . . . . . . . . ...
ENGINE OIL : Changing Engine Oil . . . . . .
OIL FILTER . . . . . . . . . . . . . . . .
OIL FILTER : Removal and Installation . . . . ...
SPARK PLUG . . . . . . . . . . . . . . .
SPARK PLUG : Exploded View . . . . . . . ...
SPARK PLUG : Removal and Installation . . . ...
EVAP VAPOR LINES . . . . . . . . . . . .
EVAP VAPOR LINES : Checking EVAP Vapor
Line . . . . . . . . . . . . . . . . . . ..
ENGINE MAINTENANCE (VK56DE) . . . .
DRIVE BELTS . . . . . . . . . . . . . . .
DRIVE BELTS : Checking Drive Belts . . . . . .
DRIVE BELTS : Exploded View . . . . . . . ..
ENGINE COOLANT . . . . . . . . . . . . ...
ENGINE COOLANT : Changing Engine Coolant .
FUEL LINES . . . . . . . . . . . . . . . ...
FUEL LINES : Checking Fuel Line . . . . . . ..
FUEL FILTER . . . . . . . . . . . . . . . .
FUEL FILTER : Changing Fuel Filter . . . . . ...
AIR CLEANER FILTER . . . . . . . . . . . .
AIR CLEANER FILTER : Exploded View . . . .
AIR CLEANER FILTER : Removal and Installation
.
ENGINE OIL . . . . . . . . . . . . . . . ...
ENGINE OIL : Changing Engine Oil . . . . . .
OIL FILTER . . . . . . . . . . . . . . . .
OIL FILTER : Removal and Installation . . . . ...
SPARK PLUG . . . . . . . . . . . . . . .
2009 Pathfinder
MA-2
SPARK PLUG : Exploded View . . . . . . . ..
SPARK PLUG : Removal and Installation . . . ..
EVAP VAPOR LINES . . . . . . . . . . . ....
EVAP VAPOR LINES : Checking EVAP Vapor
Line . . . . . . . . . . . . . . . . . . .
CHASSIS AND BODY MAINTENANCE . . .
IN-CABIN MICROFILTER . . . . . . . . . . .
IN-CABIN MICROFILTER : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..
EXHAUST SYSTEM . . . . . . . . . . . . ..
EXHAUST SYSTEM : Checking the Exhaust Sys-
tem . . . . . . . . . . . . . . . . . . ..
A/T FLUID . . . . . . . . . . . . . . . . .
A/T FLUID : Checking the A/T Fluid (ATF) . . . .
A/T FLUID : Changing the A/T Fluid (ATF) . . . .
TRANSFER FLUID . . . . . . . . . . . . ....
TRANSFER FLUID : ATX14B . . . . . . . ....
TRANSFER FLUID : Inspection . . . . . . . .
TRANSFER FLUID : Replacement . . . . . . .
TRANSFER FLUID : TX15B . . . . . . . . ...
TRANSFER FLUID : Inspection . . . . . . . .
TRANSFER FLUID : Replacement . . . . . . .
PROPELLER SHAFT . . . . . . . . . . . ....
PROPELLER SHAFT : Checking Propeller Shaft ...
DIFFERENTIAL GEAR OIL . . . . . . . . . ..
DIFFERENTIAL GEAR OIL : Front Final Drive
R180T . . . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ..
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Front Final Drive
M205 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ..
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Rear Final Drive
R200 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Rear Final Drive
R230 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
WHEELS . . . . . . . . . . . . . . . . .
WHEELS : Balancing Wheels . . . . . . . . .
WHEELS : Rotation . . . . . . . . . . . .
BRAKE FLUID LEVEL AND LEAKS . . . . . .
BRAKE FLUID LEVEL AND LEAKS : Checking
Brake Fluid Level and Leaks . . . . . . . . ...
BRAKE LINES AND CABLES . . . . . . . . ..
BRAKE LINES AND CABLES : Checking Brake
Line and Cables . . . . . . . . . . . . . ..
DISC BRAKE . . . . . . . . . . . . . . . .
DISC BRAKE : Checking Disc Brake . . . . . ..
STEERING GEAR AND LINKAGE . . . . . . ...
STEERING GEAR AND LINKAGE : Checking
Steering Gear and Linkage . . . . . . . . . .
POWER STEERING FLUID AND LINES . . . . ..
POWER STEERING FLUID AND LINES : Check-
ing Fluid Level . . . . . . . . . . . . . . .
POWER STEERING FLUID AND LINES : Check-
ing Fluid Leakage . . . . . . . . . . . . .
AXLE AND SUSPENSION PARTS . . . . . . ...
AXLE AND SUSPENSION PARTS : Checking
Axle and Suspension Parts . . . . . . . . . .
LOCKS, HINGES AND HOOD LATCH . . . . . .
LOCKS, HINGES AND HOOD LATCH : Lubricat-
ing Locks, Hinges and Hood Latches . . . . . .
SPARK PLUG . . . . . . . . . . . . . . ...
SPARK PLUG : Checking Seat Belts, Buckles,
Retractors, Anchors and Adjusters . . . . . . .
2009 Pathfinder
PRECAUTIONS
MA-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000003938589
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
2009 Pathfinder
MA-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000003938590
The actual shapes of the Kent-Moore tools may differ from those of the special service tools illustrated here.
Commercial Service Tool
INFOID:0000000003938591
Tool number
(Kent-Moore No.)
Tool name
Description
KV10115801
(J-38956)
Oil filter cap wrench
Removing and installing oil filter
a: 64.3 mm (2.531 in)
KV991J0010
(J-23688)
Engine coolant refractometer
Checking concentration of ethylene glycol in
engine coolant
KV991J0070
(J-45695)
Coolant refill tool
Filling cooling system
NT375
WBIA0539E
LMA053
Tool name
Description
Power tool
Loosening bolts and nuts
Spark plug wrench
Removing and installing spark plug
PBIC0190E
S-NT047
2009 Pathfinder
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