Nissan Pathfinder (2010 year). Instruction — part 494
OIL PUMP
LU-31
< ON-VEHICLE REPAIR >
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b. Remove the crankshaft pulley from the crankshaft using tool.
• Remove the crankshaft pulley using suitable tool. Set the bolts
in the two bolt holes [M6 x 1.0 mm (0.04 in)] on the front sur-
face.
NOTE:
The dimension between the centers of the two bolt holes is 61
mm (2.40 in).
5. Remove the front cover.
a. Loosen and remove the bolts in the reverse of order shown.
b. Cut the liquid gasket and remove the covers using Tool.
CAUTION:
Do not damage mating surfaces.
6. Remove the front oil seal using suitable tool.
CAUTION:
Do not damage front cover.
7. Remove the oil pump drive spacer.
8. Remove the oil pump assembly.
INSTALLATION
1. Install the oil pump.
2. Install the oil pump drive spacer as follows:
• When inserting the oil pump drive spacer, align the crankshaft
key and the flat face of the inner rotor.
• If they are not aligned, rotate the oil pump inner rotor by hand.
• Make sure that each part is aligned and tap lightly until it
reaches the end.
KBIA2477E
Tool number
: KV10111100 (J-37228)
KBIA2478E
KBIA2512E
KBIA2490E
2010 Pathfinder
LU-32
< ON-VEHICLE REPAIR >
[VK56DE]
OIL PUMP
3. Install the front oil seal using suitable tool.
CAUTION:
Do not scratch or make burrs on the circumference of the
oil seal.
4. Install the front cover as follows:
a. Install a new O-ring on the cylinder block.
b. Apply liquid gasket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-14, "Recommended Chemical Products and Sealants"
.
c.
Check again that the timing alignment marks on the timing chain
and on each sprocket are aligned. Then install the front cover.
d. Install the bolts in the numerical order shown.
e. After tightening, re-tighten to the specified torque.
CAUTION:
Be sure to wipe off any excessive liquid gasket leaking onto
surface mating with oil pan.
PBIC0059E
KBIA2516E
KBIA2517E
M6
×
50 mm (1.97 in)
: No. 1, 20, 25, 26, 27
M6
×
80 mm (3.15 in)
: No. 4, 5, 7
M6
×
20 mm (0.79 in)
: Except the above
Front cover bolts
: 11.0 N·m (1.1 kg-m, 8 ft-lb)
KBIA2478E
2010 Pathfinder
OIL PUMP
LU-33
< ON-VEHICLE REPAIR >
[VK56DE]
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5. Install the Intake valve control solenoid valve cover (RH) (A) and
Intake valve control solenoid valve cover (LH) (B) as follows:
a. Apply liquid gasket (D) as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-14, "Recommended Chemical Products and Sealants"
.
CAUTION:
The start and end of the application of the liquid gasket
should be crossed at a position (C) that cannot be seen
after attaching the Intake valve control solenoid valve
cover.
b. Install the bolts and tighten them to specification in the numeri-
cal order shown.
• A: Intake valve control solenoid valve cover (RH)
• B: Intake valve control solenoid valve cover (LH)
6. Install the crankshaft pulley.
• Install the key of the crankshaft.
• Insert the pulley by lightly tapping it.
CAUTION:
Do not tap pulley on the side surface where the belt is installed (outer circumference).
7. Tighten the crankshaft pulley bolt.
• Lock the crankshaft using suitable tool, then tighten the bolt.
• Perform the following steps for angular tightening:
a. Apply engine oil onto the threaded parts of the bolt and seating area.
b. Select the one most visible notch of the four on the bolt flange.
Corresponding to the selected notch, put a alignment mark
(such as paint) on the crankshaft pulley.
8. Rotate the crankshaft pulley in normal direction (clockwise when viewed from engine front) to check for
parts interference.
9. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to
2. Start the engine and check for engine oil leaks.
3. Stop the engine and wait 10 minutes.
4. Check the engine oil level and adjust the engine oil level as required. Refer to
.
D : 2.6 - 3.6 mm (0.102 - 0.142 in) dia.
WBIA0800E
Intake valve control sole-
noid valve cover bolts
: 11.0 N·m (1.1 kg-m, 8 ft-lb)
AWBIA0815ZZ
Crankshaft pulley bolt
Step 1
: 93.1 N·m (9.5 kg-m, 69 ft-lb)
Step 2
: additional 90
°
(angle tightening)
KBIA2519E
2010 Pathfinder
LU-34
< DISASSEMBLY AND ASSEMBLY >
[VK56DE]
OIL PUMP
DISASSEMBLY AND ASSEMBLY
OIL PUMP
Disassembly and Assembly
INFOID:0000000005260622
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
2010 Pathfinder
OIL PUMP
LU-35
< DISASSEMBLY AND ASSEMBLY >
[VK56DE]
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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
2010 Pathfinder
LU-36
< 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:0000000005260623
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
Approximate discharge oil pressure*
Idle speed
More than 98 (1.0, 14)
2,000 rpm
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)
2010 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 . . . . . . . .
For North America . . . . . . . . . . . . .....
For North America: Schedule 1 . . . . . . . .....
For North America: Schedule 2 . . . . . . . ...
For Mexico . . . . . . . . . . . . . . . ..
RECOMMENDED FLUIDS AND LUBRI-
CANTS . . . . . . . . . . . . . . . .
For North America . . . . . . . . . . . . ...
For North America: Engine Oil Recommendation .
For Mexico: Fluids and Lubricants . . . . . . ..
For Mexico: SAE Viscosity Number . . . . . .
For Mexico: Engine Coolant Mixture Ratio . . . ..
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 . . . . . .
2010 Pathfinder
MA-2
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 . . . . . . . . . . . . . . . . . . .
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 . . . . . .
SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS . . . . . . . . . ..
...
2010 Pathfinder
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