2001 NISSAN X-TRAIL Service Repair Manual

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Page 249 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual CYLINDER BLOCK
EM-199
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e. Hoist engine and install it to the engine stand.
NOTE:
It is possible to set engine sub-attachment and engine attach-
ment to eng

Page 250 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EM-200
[YD22DDTi]
CYLINDER BLOCK
●Insert a flat-bladed screwdriver between main bearing cap and rear oil seal retainer to remove retainer.
9. Remove rear oil seal from rear oil seal retainer.
●Pun

Page 251 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual CYLINDER BLOCK
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b. Using industrial dryer, heat pistons up to 60 to 70°C (140 to
158°F).
c. Using rod with outer diameter of 26 mm (1.02

Page 252 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EM-202
[YD22DDTi]
CYLINDER BLOCK
ASSEMBLY
1. Blow air sufficiently to inside engine coolant passage, engine oil
passage, crankcase and cylinder bore to remove foreign matter.
2. Install oil jet relie

Page 253 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual CYLINDER BLOCK
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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 sea

CYLINDER BLOCK
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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

Page 254 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual 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

EM-204
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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

Page 255 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual CYLINDER BLOCK
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17. Install rear oil seal and retainer assembly.
●Apply a continuous bead of liquid gasket to rear oil seal and
retainer assembl

Page 256 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EM-206
[YD22DDTi]
CYLINDER BLOCK
●There is a mating mark on the clutch cover side, Refer it dur-
ing installation.
●Holding ring gear with ring stopper (SST), tighten securing bolts with TORX bit

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