2010 NISSAN LATIO Service Repair Manual

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Page 2561 of 3745

NISSAN LATIO 2010 Service Repair Manual EM-202
< SERVICE INFORMATION >[MR18DE]
CYLINDER BLOCK
• Position each ring with the gap as shown referring to the pis-
ton front mark.
CAUTION:
Never contact the rail end gap under the oil ring with

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• Using Tool (A), install piston with the front mark on the piston
head facing the front of the engine.
CAUTION

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NISSAN LATIO 2010 Service Repair Manual EM-204
< SERVICE INFORMATION >[MR18DE]
CYLINDER BLOCK
26. Install flywheel (M/T models) or drive plate (1) (A/T or CVT mod-
els).
• Secure crankshaft using Tool (A), and tighten bolts crosswiseover

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How to Select Piston and BearingINFOID:0000000005398147
DESCRIPTION
• The identification grade stamped on each p

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How to Select Piston and BearingINFOID:0000000005398147
DESCRIPTION
• The identification grade stamped on each part is the
grade for the dimension measured in new condition.
This grade cannot apply to reused parts.
• For reused or repaired parts, measure the dimens ion accurately. Determine the grade by comparing the
measurement with the values of each selection table.
• For details of the measurement method of each part , the reuse standards and the selection method of the
selective fitting parts, follow the applicable procedures.
HOW TO SELECT PISTON
When New Cylinder Block is Used
• Check the cylinder bore grade on rear left side of cylinder block (L), and select piston of the same grade.
• If there is a correction stamp mark on the cylinder block, use it as a correct reference.
When Cylinder Block is Reused
1. Measure the cylinder bore inner diameter. Refer to EM-212, "Inspection After Disassembly".
2. Determine the bore grade by comparing the measur ement with the values under the cylinder bore inner
diameter of the “Piston Selection Table”.
Selection points Selection parts Selection itemsSelection methods
Between cylinder block and
crankshaft Main bearing
Main bearing grade (bearing
thickness)Determined by match of cylin-
der block bearing housing
grade (inner diameter of hous-
ing) and crankshaft journal
grade (outer diameter of jour-
nal)
Between crankshaft and con-
necting rod Connecting rod bearing
Connecting rod bearing grade
(bearing thickness)Combining service grades for
connecting rod big end diame-
ter and crankshaft pin outer di-
ameter determine connecting
rod bearing selection.
Between cylinder block and pis-
ton Piston and piston pin assembly
(piston is available together with
piston pin as an assembly.) Piston grade (piston outer diam-
eter)
Piston grade = cylinder bore
grade (inner diameter of bore)
A : Correction stamp
B : Standard stamp
C : Cylinder No. 1 bore grade
D : Cylinder No. 2 bore grade
E : Cylinder No. 3 bore grade
F : Cylinder No. 4 bore grade
G : No. 1 main bearing housing grade
H : No. 2 main bearing housing grade
I : No. 3 main bearing housing grade
J : No. 4 main bearing housing grade
K : No. 5 main bearing housing grade
: Engine front
PBIC3264J
Revision: January 20102010 Versa

Page 2565 of 3745

NISSAN LATIO 2010 Service Repair Manual EM-206
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CYLINDER BLOCK
3. Select piston of the same grade.
Piston Selection Table
Unit: mm (in)
NOTE:
• Piston is available together with piston pin as an assembly.
�

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2. Apply the measured dimension to the
“Connecting Rod Bearing Selection Table”.
3. Read the symbol at the cr

Page 2567 of 3745

NISSAN LATIO 2010 Service Repair Manual EM-208
< SERVICE INFORMATION >[MR18DE]
CYLINDER BLOCK
Undersize Bearings Usage Guide
• When the specified connecting rod bearing oil clearance is not obtained with standard size connecting rod
beari

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1. “Main Bearing Selection Table” rows correspond to main bearing
housing grade on rear left side of cylinder

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1. “Main Bearing Selection Table” rows correspond to main bearing
housing grade on rear left side of cylinder block (L).
• If there is a correction stamp mark on cylinder block, use it asa correct reference.
2. Apply main journal diameter grade stamped on crankshaft front side to column in the “Main Bearing Selection Table”.
3. Read the symbol at the cross point of selected row and column in the “Main Bearing Selection Table”. CAUTION:
There are two main bearing selection tables. One is for No. 1, 4 and 5 journals and the other is for
No. 2 and 3 journals. Make certain to use the approp riate table. This is due to differences in the
specified clearances.
4. Apply the symbol obtained to the “Main B earing Grade Table” to select main bearing.
NOTE:
Service part is available as a set of both upper and lower.
When Cylinder Block and Crankshaft are Reused
1. Measure the dimensions of the cylinder block ma in bearing housing inner diameter and crankshaft main
journal diameter individually. Refer to EM-212, "
Inspection After Disassembly" and EM-212, "Inspection
After Disassembly".
2. Apply the measured dimension to the “Main Bearing Selection Table”.
3. Read the symbol at the cross point of selected row and column in the “Main Bearing Selection Table”. CAUTION:
There are two main bearing selection tables. One is for No. 1, 4 and 5 journals and the other is for
No. 2 and 3 journals. Make certain to use the ap propriate table. This is due to differences in the
specified clearances.
4. Apply the symbol obtained to the “Main B earing Grade Table” to select main bearing.
NOTE:
A : Correction stamp
B : Standard stamp
C : Cylinder No. 1 bore grade
D : Cylinder No. 2 bore grade
E : Cylinder No. 3 bore grade
F : Cylinder No. 4 bore grade
G : No. 1 main bearing housing grade
H : No. 2 main bearing housing grade
I : No. 3 main bearing housing grade
J : No. 4 main bearing housing grade
K : No. 5 main bearing housing grade
: Engine front
PBIC3264J
A : No. 1 pin journal diameter grade
B : No. 2 pin journal diameter grade
C : No. 3 pin journal diameter grade
D : No. 4 pin journal diameter grade
E : No. 1 main journal diameter grade
F : No. 2 main journal diameter grade
G : No. 3 main journal diameter grade
H : No. 4 main journal diameter grade
I : No. 5 main journal diameter grade
PBIC3261J
Revision: January 20102010 Versa

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