2001 NISSAN X-TRAIL oil pressure

LU-8
[QR]
ENGINE OIL
c. After warming up the engine, check for engine oil leakage with running engine.
Changing Engine OilEBS00KO4
WARNING:
●Be careful not to burn yourself, as the engine oil is 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 horizontally and check for engine
oil leakage from engine components.
2. Stop engine and wait for 10 minutes.
3. Remove drain plug and oil filler cap.
4. Drain engine oil.
●Install drain plug and refill with new engine oil.
Engine oil specifications and viscosity:
●API grade SG, SH, SJ or SL.
●ILSAC grade GF-I, GF-II or GF-III
●ACEA 96-A2
●Refer to MA-16, "RECOMMENDED FLUIDS AND LUBRICANTS" for further detail.
Engine oil capacity (Approximate):
Unit: (lmp qt)
CAUTION:
●Be sure to clean drain plug and install with new washer.
●The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
●Always use the dipstick to the determine when the proper amount of engine oil is in the engine.
5. Warm up engine and check area around drain plug and oil filter for engine oil leakage.
6. Stop engine and wait for 10 minutes.
7. Check engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" . Oil pressure switch:
: 12.3 - 17.2 N·m (1.25 - 1.75 kg-m, 9 - 12 ft-lb)
PBIC0250E
Drain and refillWith oil filter change Approximately 3.9 (3-3/8)
Without oil filter change Approximately 3.5 (3-1/8)
Dry engine (engine overhaul)Approximately 4.5 (4)
Oil pan drain plug:
: 29.4 - 39.2 N·m (3.0 - 4.0 kg-m, 22 - 28 ft-lb)

OIL COOLER
LU-13
[QR]
C
D
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MA
LU
OIL COOLERPFP:21305
Removal and InstallationEBS00KO8
WARNING:
Be careful not to get burned when the engine and engine oil are hot.
CAUTION:
●When removing oil cooler, prepare a shop cloth to absorb any engine oil leakage or spillage.
●Completely wipe off any engine oil that adhere to the engine and the vehicle.
REMOVAL
1. Remove front RH wheel and engine room right side cover.
2. Drain engine coolant by removing cylinder block drain plug and radiator drain cock. Refer to CO-9,
"Changing Engine Coolant" .
3. Paint a mating mark at the oil cooler and oil cooler bracket.
INSPECTION
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler assembly.
Oil Pressure Relief Valve
Inspect oil pressure relief valve for movement, cracks and breaks by pushing the ball. If replacement is neces-
sary, remove valve by prying it out with a suitable tool. Install a new valve in place by tapping it.
INSTALLATION
Installation is in the reverse order of removal.
●After warming up the engine, check for engine oil and engine coolant leakage and for engine oil level.
Refer to LU-7, "
ENGINE OIL" .
PBIC0278E
1. Oil pressure switch 2. Oil cooler bracket 3. Oil cooler
4. Gasket

LU-14
[QR]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and LimitEBS00KO9
OIL PRESSURE
*:Engine oil temperature at 80°C (176°C)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
ENGINE OIL CAPACITY
Unit: (Imp qt)
Tightening TorqueEBS00KOA
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)* Engine speed (rpm)
Approximate discharge pressure kPa (bar, kg/cm
2 , psi)*
Idle speed
2,000
6,000 More than 98 (0.98, 1.0, 14)
294 (2.9, 3.0, 43)
392 (3.9, 4.0, 57)
Body to outer rotor radial clearance 0.114 - 0.179 (0.0045 - 0.0070)
Inner rotor to outer rotor tip clearance Below 0.220 (0.0087)
Body to inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Body to outer rotor axial clearance 0.060 - 0.110 (0.0024 - 0.0043)
Inner rotor to brazed portion of housing clearance 0.035 - 0.070 (0.0014 - 0.0028)
Regulator valve to oil pump cover clearance 0.040 - 0.097 (0.0016 - 0.0038)
With oil filter change Approximately 3.9 (3-3/8)
Without oil filter change Approximately 3.5 (3-1/8)
Dry engine (engine overhaul) Approximately 4.5 (4)
Oil pressure switch 12.3 - 17.2 (1.25 - 1.75, 9 - 12)
Oil pan drain plug 29.4 - 39.2 (3.0 - 4.0, 22 - 28)
Oil filter14.7 - 20.5 (1.5 - 2.1, 11 - 15)
Oil pump assembly 6.4 - 7.5 (0.66 - 0.76, 57 - 66)*
Oil pump cover 5.9 - 7.9 (0.60 - 0.81, 52 - 70)*
Regulator plug 39.2 - 68.6 (4.0 - 6.9, 29 - 50)
Oil cooler34.3 - 44.1 (3.5 - 4.4, 26 - 32)
Oil cooler bracket 19.6 - 23.5 (2.0 - 2.3, 15 - 17)

LU-16
[YD22DDTi]
PREPARATION
PREPARATION
PFP:00002
Special Service ToolsEBS00B01
Tool number
Tool nameDescription
ST25051001
Oil pressure gaugeMeasuring oil pressure
Maximum measuring range:
2,452 kPa (25 kg/cm2, 356 psi)
ST25052000
HoseAdapting oil pressure gauge to cylinder block
WS39930000
Tube presserPressing the tube of liquid gasket
S-NT050
S-NT559
S-NT052

LU-18
[YD22DDTi]
ENGINE OIL
ENGINE OIL
PFP:KLA92
InspectionEBS00B03
ENGINE OIL LEVEL AND MUDDINESS
●Before starting the engine, put vehicle horizontally then check
the engine oil level. If the engine is already started, stop it and
allow 10 minutes before checking.
●Check that the engine oil level is within the range shown in the
figure.
●If it is out of range, adjust it.
●Check the engine oil for white turbidity or remarkable contamina-
tion.
●If the engine oil becomes turbid and white, it is highly probable
that it is contaminated with engine coolant. Find the cause and
repair.
ENGINE OIL LEAKAGE
Check for engine oil leakage around the following area.
●Oil pan
●Oil pan drain plug
●Oil pressure switch
●Oil filter bracket
●Oil cooler.
●Oil pump housing
●Vacuum pump
●Cylinder head rear cover assembly
●Chain case
●Mating surface between cylinder block and cylinder head
●Mating surface between cylinder head and rocker cover
●Crankshaft oil seal. Refer to LU-18, "ENGINE OIL LEVEL AND MUDDINESS" .
ENGINE OIL PRESSURE CHECK
WARNING:
●Be careful not to burn yourself, as the engine oil is hot.
●Oil pressure check should be done in “ Neutral position”.
1. Check the engine oil level. Refer to LU-18, "
ENGINE OIL LEVEL
AND MUDDINESS" .
2. Remove the undercover.
3. Remove the oil pressure switch to connect the oil pressure
gauge.
4. After warming up the engine, check that oil pressure corre-
sponding to the engine speed is produced.
Engine oil pressure [Engine oil temperature at 80 °C (176 °F)]
5. After checking, install the oil pressure switch as follows.
a. Remove old sealant adhering to the switch and engine.
b. Apply thread sealant.
Use Genuine Liquid Gasket or equivalent.
SBIA0122E
SBIA0123E
Engine speed (rpm) Idle speed 2,000 4,000
Engine pressure
kPa (bar, kg/cm
2 , psi)Approx. 140 (1.40, 1.43, 20.3) or
moreApprox. 270 (2.69, 2.75, 39.1) or
moreApprox. 430 (4.29, 4.38, 62.3) or
more

ENGINE OIL
LU-19
[YD22DDTi]
C
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LUc. After warming up the engine, check for oil leakage with running engine.
Changing Engine OilEBS00B04
WARNING:
●Be careful not to burn yourself, as the engine oil is 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 horizontally and check for engine
oil leakage from engine components.
2. Stop engine and wait for 10 minutes.
3. Remove drain plug and oil filler cap.
4. Drain engine oil.
●Install drain plug and refill with new engine oil.
Engine oil specification and viscosity:
●API grade CF-4.
●ACEA B1, B3, B4, B5
●Refer to MA-16, "RECOMMENDED FLUIDS AND LUBRI-
CANTS" .
Engine oil capacity (Approximate):
●The refill capacity depends on the engine oil temperature and drain time. Use these specifications for
reference only.
Always use the dipstick to the determine when the proper amount of engine oil is in the engine.
CAUTION:
●Be sure to clean drain plug and install with new washer.
●The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
Always use the dipstick to the determine when the proper amount of engine oil is in the
engine.
5. Warm up engine and check area around drain plug and oil filter for engine oil leakage.
6. Stop engine and wait for 10 minutes.
7. Check engine oil level. Refer to LU-18, "
ENGINE OIL LEVEL AND MUDDINESS" . Oil pressure switch:
: 13.0 - 17.0 N·m (1.4 - 1.7 kg-m, 10 - 12 ft-lb)
PBIC0527E
Drain and refillWith oil filter change
5.2 (4-5/8 Imp qt)
Without oil filter change
4.9 (4-3/8 Imp qt)
Dry engine (engine overhaul)6.3 (5-1/2 Imp qt)
Oil pan drain plug:
: 29 - 39 N·m (3.0 - 4.0 kg-m, 22 - 29 ft-lb)
SBIA0122E

LU-24
[YD22DDTi]
OIL PUMP
●Calculate the clearance between inner rotor and oil pump hous-
ing as follows.
1. Measure the outer diameter of protruded portion of inner rotor
(Position 5)
2. Measure the inner diameter of oil pump housing with inside
micrometer (Position 6)
(Clearance) = (Inner diameter of oil pump housing) – (Outer
diameter of inner rotor)
Regulator Valve
1. Visually inspect components for wear and damage.
2. Check oil pressure regulator valve sliding surface and valve spring.
3. Coat regulator valve with engine oil. Check that it falls smoothly into the valve hole by its own weight.
If damaged, replace regulator valve set or oil pump housing.
4. Check regulator valve to oil pump housing clearance.
CAUTION:
Coat regulator valve with engine oil.
ASSEMBLY
●Assemble in the reverse order of disassembly.
●Install the inner rotor and outer rotor with the punched marks on
the oil pump cover side.
●After warming up the engine, check for oil leakage and oil level.
Refer to LU-18, "
ENGINE OIL" .
PBIC0253E
Standard : 0.045 - 0.091mm (0.0018 - 0.0036 in)
SBIA0124E
Clearance "6":
0.040 - 0.097 mm (0.0016 - 0.0038 in)
JLC358B
JLC286B

LU-26
[YD22DDTi]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and LimitEBS00CTZ
OIL PRESSURE
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
OIL CAPACITY
Unit: · (Imp qt)
Tightening TorqueEBS00B0F
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)* Engine speed rpm
Approximate discharge pressure kPa (bar, kg/cm
2 , psi)
Idle speed
2,000
4,000 More than 140 (1.40, 1.43, 20.3)
More than 270 (2.69, 2.75, 39.1)
More than 430 (4.29, 4.38, 62.3)
Body to outer rotor radial clearance 0.114 - 0.260 (0.0045 - 0.0102)
Inner rotor to outer rotor tip clearance Below 0.18 (0.0071)
Body to inner rotor axial clearance 0.050 - 0.090 (0.0020 - 0.0035)
Body to outer rotor axial clearance 0.030 - 0.190 (0.0012 - 0.0075)
Inner rotor to brazed portion of housing clearance 0.045 - 0.091 (0.0018 - 0.0036)
Regulator valve to oil pump cover clearance 0.040 - 0.097 (0.0016 - 0.0038)
With oil filter change Approximately 5.2 (4-5/8 Imp qt)
Without oil filter change Approximately 4.9 (4-3/8 Imp qt)
Dry engine (engine overhaul) Approximately 6.3 (5-1/2 Imp qt)
Oil pressure switch 13 - 17 (1.4 - 1.7, 10 - 12)
Oil pan drain plug 29 - 39 (3.0 - 4.0, 22 - 29)
Oil filter bracket20 -23 (2.0 - 2.4, 15 - 17)
Oil filter body20 - 24 (2.0 - 2.5, 15 - 18)
Oil pump assembly 6.4 - 7.4 (0.65 - 0.76, 57 - 65)*
Oil pump cover 5.9 - 7.8 (0.6 - 0.8, 52 - 69)*
Regulator plug40 - 68 (4.0 - 7.0, 29 - 50)
Water hose connector for oil cooler 25 - 31 (2.5 - 3.2, 18 - 23)
Connecting bolt20 - 29 (2.1 - 2.9, 15 - 21)