2001 NISSAN X-TRAIL check engine

CYLINDER BLOCK
EM-203
[YD22DDTi]
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8. Tighten the main bearing cap bolts according to the following
procedure:
a. Apply engine oil to the threaded part and seat surface of each
bolt.
b. Tighten to 25 to 30 N·m (2.5 to 3.1 kg-m, 18 to 22 ft-lb) in the
numerical order shown in the figure.
c. Put alignment marks (with paint) on each bolt and the main
bearing cap, all in the same direction. (When using a protractor)
d. Then, tighten 90° to 95° [target: 90°].
●Always use either an angle wrench (SST) or protractor
during angular tightening. Avoid tightening based on
visual checks alone.
●After tightening bolts to specified torque, make sure that
crankshaft rotates smoothly.
●Check crankshaft end side clearance. Refer to EM-210,
"CRANKSHAFT END PLAY" .
9. Check the outer diameter of connecting rod bolts. Refer to EM-
217, "CONNECTING ROD BOLT DEFORMATION" .
10. Install pistons to connecting rod.
a. Using long nose pliers, install snap rings to grooves on piston rear side.
●Fit snap rings correctly into grooves.
b. Install pistons to connecting rods.
●Using industrial dryer, heat pistons up to approx. 60 to 70°C (140 to 158°F) until piston pin can be
pressed down by finger touch. Then insert piston pins into piston and connecting rod from front side of
piston toward rear.
●Assemble piston and connecting rod with front mark of piston
crown and cylinder No. stamped on connecting rod being
positioned as shown in the figure.
c. Install snap rings to front side of pistons.
●Refer to above step a for precaution on snap ring installation.
●After installation, check connecting rods for smooth move-
ment.
11. Use piston ring expander to install piston rings.
CAUTION:
When installing, prevent piston from being damaged.
●Install top ring and second ring with stamped surfaces facing
upward.
●Install rings so that three closed gap position 120° apart one
another.
●Closed gaps do not need to face in a specific directions, as long as each are positioned 120° apart.
JEM200G
JEM226G
JEM227G
Identification stamp:
To p r i n g : R To p
Second ring : R2nd
JEM228G

EM-204
[YD22DDTi]
CYLINDER BLOCK
12. Install connecting rod bearings to connecting rods and caps.
●While installing connecting rod bearings, apply engine oil to
bearing surfaces (inside). Do not apply engine oil to rear sur-
faces, but clean them completely.
●Align stoppers on connecting rod bearings with connecting
rod stopper notches to install connecting rod bearings.
13. Install piston and connecting rod assembly to crankshaft.
●Move crankshaft pin to be assembled to BDC.
●Align cylinder position with cylinder No. on connecting rod to
install piston and connecting rod assembly.
●Using piston ring compressor, install piston and connecting
rod assembly with front mark on piston crown facing toward
the front side of engine.
CAUTION:
When installing piston and connecting rod assembly, pre-
vent the big end of connecting rod from interfering with
oil jet.
14. Install connecting rod caps and mounting nuts.
●Align cylinder No. stamped on connecting rod with that on cap
to install connecting rod cap.
●Make sure that the front mark on connecting rod cap faces
towards the front of the engine.
15. Tighten connecting rod nuts according to the following proce-
dure:
a. Apply engine oil on bolt threads and seat surface of nuts.
b. Tighten to 29 to 30 N·m (2.9 to 3.1 kg-m, 21 to 22 ft-lb).
c. Loosen completely to 0 N·m (0 kg-m, 0 in-lb).
d. Tighten to 19 to 20 N·m (1.9 to 2.1 kg-m, 14 to 15 ft-lb).
e. Tighten 120° to 125° [target: 120°]. (angular tightening)
●Always use either an angle wrench (SST) or protractor
during angular tightening. Avoid tightening based on
visual checks alone.
●After tightening nuts, check that crankshaft rotates smoothly.
●Check connecting rod side clearance. Refer to EM-210,
"CONNECTING ROD SIDE CLEARANCE" .
16. Press fit rear oil seal into rear oil seal retainer.
●Using a drift [105 mm (4.13 in) dia.], press fit so that the
dimension is as specified in the figure.
●Avoid inclined fitting. Force fit perpendicularly.
JEM229G
JEM230G
JEM227G
JEM231G
JEM232G

CYLINDER BLOCK
EM-213
[YD22DDTi]
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Piston Pin Outer Diameter
Use micrometer to measure piston pin outer diameter.
Calculation of Connecting Rod Bushing Clearance
(Connecting rod small end bushing clearance) = (Connecting rod small end inner diameter) − (Piston pin outer
diameter)
●If out of specifications, replace connecting rod and/or piston and piston pin assembly. Refer to EM-207,
"HOW TO SELECT CONNECTING ROD BEARING" .
CYLINDER BLOCK TOP SURFACE DISTORTION
●Using scraper, remove gasket installed onto cylinder block sur-
face. Remove contamination such as engine oil, scale, and car-
bon.
CAUTION:
Keep broken pieces of gasket clear of engine oil and engine
coolant passages.
●Use straightedge and feeler gauge to check block upper surface
for distortion.
MAIN BEARING HOUSING INNER DIAMETER
●Without installing main bearings, install main bearing caps, and
tighten bolts to the specified torque.
●Measure the inner diameter of main bearing housing with a bore
gauge.
●If the measurement is out of the specified range, replace cylin-
der block and main bearing caps.Standard : 27.994 - 28.000 mm (1.1021 - 1.1024 in)
PBIC0117E
Standard : 0.026 - 0.044 mm (0.0010 - 0.0017 in)
Limit : 0.057 mm (0.0022 in)
Limit : 0.1 mm (0.004 in)
SEM501G
Standard : 66.654 - 66.681 mm (2.6242 - 2.6252 in)
JEM214G

EM-216
[YD22DDTi]
CYLINDER BLOCK
CRANKSHAFT RUNOUT
●Place V-block onto surface plate to support journals at both ends
of crankshaft.
●Position dial indicator vertically onto No. 3 journal.
●Rotate crankshaft to read needle movement on dial indicator.
(Total indicator reading)
CONNECTING ROD BEARING OIL CLEARANCE
Method by Measurement
●Install connecting rod bearings to connecting rod and cap, and
tighten connecting nuts to the specified torque. Use inside
micrometer to measure connecting rod bearing inner diameter.
(Bearing clearance) = (Connecting rod bearing inner diameter) −
(Crankshaft pin outer diameter)
●If out of specifications, check connecting rod big end inner diam-
eter and crankshaft pin outer diameter, and select appropriate
connecting rod bearing to adjust clearance to specifications.
Refer to EM-207, "
HOW TO SELECT CONNECTING ROD
BEARING" .
Method Using Plastigage
●Remove contamination such as engine oil, dust completely from
crankshaft pins and each bearing surface.
●Cut plastigage slightly shorter than bearing width, place it in
crankshaft direction, avoiding oil holes.
●Install connecting rod bearings to caps, and tighten connecting
rod nuts to the specified torque.
CAUTION:
Never rotate crankshaft.
●Remove connecting rod caps and bearings, and measure plasti-
gage width using scale on plastigage bag.
CAUTION:
If out of specification, take same action mentioned in “Method by Measurement”.
MAIN BEARING OIL CLEARANCE
Method by Measurement
●Install main bearings to the cylinder block and bearing cap, and tighten the bolts to the specified torque.
Then, measure the inner diameter of the main bearings.
(Bearing clearance) = (Bearing inner diameter) − (Crankshaft journal outer diameter)
●If out of specification, check main bearing housing inner diameter and crankshaft journal outer diameter,
and select appropriate main bearing to adjust clearance to specifications. Refer to EM-208, "
HOW TO
SELECT MAIN BEARING" . Standard : 0.05 mm (0.0020 in)
Limit : 0.10 mm (0.0039 in)
FEM116
Standard : 0.031 - 0.061 mm (0.0012 - 0.0024 in)
PBIC0119E
EM142
Standard : 0.039 - 0.066 mm (0.0015 - 0.0026 in)

CYLINDER BLOCK
EM-217
[YD22DDTi]
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Method Using Plastigage
●Remove contamination such as engine oil and dust completely
from crankshaft journals and each bearing surface.
●Cut plastigage slightly shorter than bearing width. Place it in
crankshaft turning direction, avoiding oil holes.
●Install main bearings and bearing cap and tighten to the speci-
fied torque.
CAUTION:
Never rotate crankshaft.
●Remove main bearings and bearing caps, and measure plasti-
gage width using scale on plastigage bag.
CAUTION:
If out of specification, take same action mentioned in “Method by Measurement”.
MAIN BEARING CRUSH HEIGHT
●When the bearing cap is removed after being tightened to the
specified torque with main bearings installed, the tip end of bear-
ing must protrude.
●If out of specification, replace main bearings.
MAIN BEARING CAP BOLT DEFORMATION
●Measure the outer diameter of threaded area, d1 and d2, at the
points specified in the figure.
●When the necked point is identified at a point other than where
specified, measure at the point as d2.
●Calculate the difference between d1 and d2.
CONNECTING ROD BOLT DEFORMATION
●Install nuts to connecting rod bolts. Check that the nut can be
screwed smoothly on bolt threads by hand to the last thread on
the bolt.
●If the nut does not screw in smoothly, measure the outer diame-
ter of the bolt thread at the point specified in the figure.
●If a necked point is identified, measure at that point.
●If the measurement exceeds the limit, replace connecting rod
bolts and nuts.
EM142
Standard : Crush height must exist.
SEM502G
Limit : 0.13 mm (0.0051 in)
JEM219G
Standard : 8.90 - 9.00 mm (0.3504 - 0.3543 in) dia.
Limit : 8.75 mm (0. 3445 in) dia.
JEM220G

LU-1
ENGINE LUBRICATION SYSTEM
B ENGINE
CONTENTS
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SECTION
A
LU
ENGINE LUBRICATION SYSTEM
QR
PRECAUTIONS .......................................................... 3
Precautions For Liquid Gasket ................................. 3
REMOVAL OF LIQUID GASKET .......................... 3
LIQUID GASKET APPLICATION PROCEDURE ..... 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
LUBRICATION SYSTEM ............................................ 5
Lubrication Circuit .................................................... 5
System Drawing ....................................................... 6
ENGINE OIL ............................................................... 7
Inspection ................................................................. 7
ENGINE OIL LEVEL ............................................. 7
ENGINE OIL APPEARANCE ................................ 7
ENGINE OIL LEAKAGE ........................................ 7
OIL PRESSURE CHECK ...................................... 7
Changing Engine Oil ................................................ 8
OIL FILTER ................................................................. 9
Removal and Installation .......................................... 9
REMOVAL ............................................................. 9
INSTALLATION ..................................................... 9
OIL PUMP ................................................................. 10
Removal and Installation ........................................ 10
Disassembly and Assembly ................................... 10
DISASSEMBLY ................................................... 10
INSPECTION AFTER DISASSEMBLY ............... 10
ASSEMBLY ......................................................... 12
OIL COOLER ............................................................ 13
Removal and Installation ........................................ 13
REMOVAL ........................................................... 13
INSPECTION ...................................................... 13
INSTALLATION ................................................... 13
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 14
Standard and Limit ................................................. 14
OIL PRESSURE .................................................. 14
OIL PUMP ........................................................... 14
REGULATOR VALVE .......................................... 14
ENGINE OIL CAPACITY ..................................... 14
Tightening Torque ................................................... 14
YD22DDTi
PRECAUTIONS ........................................................ 15
Precautions For Liquid Gasket ............................... 15
REMOVAL OF LIQUID GASKET ......................... 15
LIQUID GASKET APPLICATION PROCEDURE ... 15
PREPARATION ......................................................... 16
Special Service Tools ............................................. 16
LUBRICATION SYSTEM .......................................... 17
Lubrication Circuit ................................................... 17
ENGINE OIL .............................................................. 18
Inspection ............................................................... 18
ENGINE OIL LEVEL AND MUDDINESS ............. 18
ENGINE OIL LEAKAGE ...................................... 18
ENGINE OIL PRESSURE CHECK ..................... 18
Changing Engine Oil ............................................ ... 19
OIL FILTER ............................................................... 20
Removal and Installation ........................................ 20
REMOVAL ........................................................... 20
INSTALLATION ................................................... 21
OIL FILTER BRACKET ............................................. 22
Removal and Installation ........................................ 22
REMOVAL ........................................................... 22
INSTALLATION ................................................... 22
OIL PUMP ................................................................. 23
Removal and Installation ........................................ 23
Disassembly and Assembly .................................... 23
DISASSEMBLY ................................................... 23
INSPECTION AFTER DISASSEMBLY ................ 23
ASSEMBLY ......................................................... 24
OIL COOLER ............................................................ 25
Removal and Installation ........................................ 25
REMOVAL ........................................................... 25
INSPECTION ...................................................... 25
INSTALLATION ................................................... 25
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 26
Standard and Limit .................................................. 26
OIL PRESSURE .................................................. 26
OIL PUMP ........................................................... 26
REGULATOR VALVE .......................................... 26

ENGINE OIL
LU-7
[QR]
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ENGINE OILPFP:KLA92
InspectionEBS00KO3
ENGINE OIL LEVEL
●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.
ENGINE OIL APPEARANCE
●Check the engine oil for white turbidity or remarkable contamination.
●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
●Oil cooler
●Intake valve timing control cover and intake valve timing control solenoid valve
●Front cover
●Mating surface between cylinder block and cylinder head
●Mating surface between cylinder head and rocker cover
●Crankshaft oil seal.
OIL PRESSURE CHECK
WARNING:
●Be careful not to burn yourself, as the engine oil is hot.
●Engine oil pressure check should be done in “ Parking
position” (A/T model) or “Neutral position” (M/T model).
1. Check engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" .
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.
PBIC0249E
KBIA0275E
Engine speed (rpm) Idle speed 2,000 6,000
Engine pressure
kPa (bar, kg/cm
2 , psi)Approx. 98 (0.98, 1.0, 14) or more Approx. 294 (2.9, 3.0, 43) or more Approx. 392 (3.9, 4.0, 57) or more

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)