Nissan Pathfinder (2007 year). Instruction — part 314
OIL COOLER
LU-11
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2007 Pathfinder
OIL COOLER
PFP:21305
Removal and Installation
EBS00QCM
WARNING:
Be careful not to get burn yourself, as engine oil and engine coolant are hot.
REMOVAL
NOTE:
When removing oil cooler only, step 1 is unnecessary.
1.
Drain engine coolant from radiator and cylinder block. Refer to
and
NOTE:
Perform this step when removing water pipes.
2.
Remove oil filter. Refer to
.
CAUTION:
Do not spill engine oil on drive belts.
3.
Disconnect water hoses from oil cooler.
●
When removing oil cooler only, pinching water hoses near oil cooler to prevent engine coolant spilling.
CAUTION:
●
Perform this step when engine is cold.
●
Do not spill engine coolant on drive belts.
4.
Remove connector bolt, and remove oil cooler.
1.
Water connector
2.
Water hose
3.
Water pipe
4.
Oil pan (upper) front side
5.
O-ring
6.
Relief valve
7.
Oil cooler
8.
Oil filter
9.
Connector bolt
WBIA0572E
LU-12
OIL COOLER
2007 Pathfinder
CAUTION:
Do not spill engine oil to rubber parts such as drive belts and engine mounting insulator.
5.
Remove water pipes, as necessary.
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.
Relief Valve
Check relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove
relief valve by prying it out using a suitable tool. Install a new relief valve in place by tapping it in.
INSTALLATION
Installation is in the reverse order of removal, paying attention to the following.
●
Make sure that no foreign objects are adhering to the installation planes of oil cooler and oil pan (upper).
●
Tighten connector bolt after aligning cutout on oil cooler with protrusion on oil pan (upper) side.
INSPECTION AFTER INSTALLATION
1.
Check the engine oil level and the engine coolant level, and add engine oil and engine coolant. Refer to
.
2.
Start engine, and make sure that there are no leaks of engine oil or engine coolant.
3.
Stop engine and wait for 10 minutes.
4.
Check the engine oil level and the engine coolant level again. Refer to
and
.
Connector bolt torque
: 49 N·m (5.0 kg-m, 36 ft-lb)
PBIC2825E
OIL PUMP
LU-13
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2007 Pathfinder
OIL PUMP
PFP:15010
Removal and Installation
EBS00QCN
REMOVAL
1.
Remove oil pans (lower and upper). Refer to
EM-27, "Removal and Installation"
2.
Remove front timing chain case and timing chain (primary). Refer to
EM-55, "Removal and Installation"
.
3.
Remove oil pump assembly.
INSTALLATION
Installation is in the reverse order of removal, paying attention to the following.
●
When installing, align crankshaft flat faces with inner rotor flat faces.
INSPECTION AFTER INSTALLATION
1.
Check the engine oil level. Refer to
2.
Start engine, and check there are no leaks of engine oil.
3.
Stop engine and wait for 10 minutes.
4.
Check the engine oil level and add engine oil. Refer to
.
Disassembly and Assembly
EBS00QCO
DISASSEMBLY
1.
Remove oil pump cover.
2.
Remove oil pump inner rotor and oil pump outer rotor from oil pump body.
3.
After removing regulator valve plug, remove regulator valve springs and regulator valve.
1.
Oil pump body
2.
Oil pump outer rotor
3.
Oil pump inner rotor
4.
Oil pump cover
5.
Regulator valve plug
6.
Regulator valve spring
7.
Regulator valve spring
8.
Regulator valve
PBIC2826E
LU-14
OIL PUMP
2007 Pathfinder
INSPECTION AFTER DISASSEMBLY
Oil Pump Clearance
●
Measure the clearance with feeler gauge.
–
Clearance between oil pump outer rotor and oil pump body
(position “1”)
–
Tip clearance between oil pump inner rotor and oil pump outer
rotor (position “2”)
●
Measure the clearance with feeler gauge and straightedge.
–
Side clearance between oil pump inner rotor and oil pump body
(position “3”)
–
Side clearance between oil pump outer rotor and oil pump body
(position “4”)
●
Calculate the clearance between oil pump inner rotor and oil pump body as follows:
OIL PUMP BODY INNER DIAMETER
–
Measure the inner diameter of oil pump body with inside
micrometer. (position “5”)
OIL PUMP INNER ROTOR OUTER DIAMETER
–
Measure the outer diameter of protruded portion of oil pump
inner rotor with micrometer. (position “6”)
OIL PUMP INNER ROTOR TO OIL PUMP BODY CLEARANCE
–
(Clearance) = (Oil pump body inner diameter) – (Oil pump inner rotor outer diameter)
●
If measured/calculated values are out of the standard, replace oil pump assembly.
Standard
: 0.120 - 0.195 mm (0.0047 - 0.0077 in)
Standard
: 0.06 - 0.16 mm (0.0024 - 0.0063 in)
PBIC2827E
Standard
: 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Standard
: 0.05 - 0.09 mm (0.0020 - 0.0035 in)
PBIC2828E
PBIC0821E
Standard
: 0.045 - 0.091 mm (0.0018 - 0.0036 in)
OIL PUMP
LU-15
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2007 Pathfinder
Regulator Valve Clearance
(Clearance) = (Valve hole diameter) – (Regulator valve outer diame-
ter)
●
If the calculated value is out of the standard, replace oil pump
assembly.
CAUTION:
●
Coat regulator valve with engine oil.
●
Make sure that it falls smoothly into valve hole by its own
weight.
ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.
●
Install oil pump inner rotor with the groove faced and oil pump
outer rotor with the punch mark to oil pump cover side.
Standard
: 0.025 - 0.070 mm (0.0010 - 0.0028 in)
PBIC2829E
PBIC2830E
LU-16
SERVICE DATA AND SPECIFICATIONS (SDS)
2007 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and Limit
EBS00QCP
OIL PRESSURE
*: Engine oil temperature at 80
°
C (176
°
F)
OIL CAPACITY (APPROXIMATE)
Unit:
(US qt, Imp qt)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
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)
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)
Body to outer rotor radial clearance
0.120 - 0.195 (0.0047 - 0.0077)
Inner rotor to outer rotor tip clearance
0.06 - 0.16 (0.0024 - 0.0063)
Body to inner rotor side clearance
0.030 - 0.070 (0.0012 - 0.0028)
Body to outer rotor side clearance
0.05 - 0.09 (0.0020 - 0.0035)
Inner rotor to brazed portion of housing clearance
0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump body clearance
0.025 - 0.070 (0.0010 - 0.0028)
MA-1
MAINTENANCE
L MAINTENANCE
CONTENTS
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SECTION
MA
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MA
2007 Pathfinder
PRECAUTIONS . . . . . . . . . . . . . . .. 3
PREPARATION . . . . . . . . . . . . . . ... 4
Special Service Tools . . . . . . . . . . . ... 4
Commercial Service Tool . . . . . . . . . . . 4
GENERAL MAINTENANCE . . . . . . . . . ... 5
General Maintenance . . . . . . . . . . . ... 5
PERIODIC MAINTENANCE . . . . . . . . . ... 7
Introduction of Periodic Maintenance . . . . . ... 7
Schedule 1 . . . . . . . . . . . . . . . ... 7
Schedule 2 . . . . . . . . . . . . . . . ... 9
RECOMMENDED FLUIDS AND LUBRICANTS . ...11
Fluids and Lubricants . . . . . . . . . . . ..11
SAE Viscosity Number . . . . . . . . . . ... 12
GASOLINE ENGINE OIL . . . . . . . . . 12
ANTI-FREEZE COOLANT MIXTURE RATIO . . 12
ENGINE MAINTENANCE . . . . . . . . . . . 13
Checking Drive Belts . . . . . . . . . . . .. 13
DRIVE BELT TENSION . . . . . . . . . .. 13
Changing Engine Coolant . . . . . . . . . .. 13
VISCOUS PAPER TYPE . . . . . . . . . . 17
REMOVAL . . . . . . . . . . . . . . ... 20
INSPECTION AFTER REMOVAL . . . . . ... 20
INSTALLATION . . . . . . . . . . . . ... 20
Checking EVAP Vapor Lines . . . . . . . . .. 20
CHASSIS AND BODY MAINTENANCE . . . . ... 21
FLUID LEAKAGE AND FLUID LEVEL . . . . 26
Changing Transfer Fluid . . . . . . . . . . . 26
DRAINING . . . . . . . . . . . . . . ... 26
FILLING . . . . . . . . . . . . . . . ... 27
Checking Propeller Shaft . . . . . . . . . . 27
Checking Front Final Drive Oil . . . . . . . . 28
OIL LEAKAGE AND OIL LEVEL . . . . . . . 28
Changing Front Final Drive Oil . . . . . . . ... 28
DRAINING . . . . . . . . . . . . . . ... 28
FILLING . . . . . . . . . . . . . . . ... 28
Checking Rear Final Drive Oil . . . . . . . . 28
OIL LEAKAGE AND OIL LEVEL . . . . . . . 28
Changing Rear Final Drive Oil . . . . . . . . 29
DRAINING . . . . . . . . . . . . . . ... 29
FILLING . . . . . . . . . . . . . . . ... 29
Balancing Wheels . . . . . . . . . . . . ... 29
Checking Steering Gear and Linkage . . . . . . 32
STEERING GEAR . . . . . . . . . . . ... 32
STEERING LINKAGE . . . . . . . . . . . 32
Checking Power Steering Fluid and Lines . . . .. 33
CHECKING FLUID LEVEL . . . . . . . . .. 33
CHECKING LINES . . . . . . . . . . . .. 33
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