2008 NISSAN LATIO Service Repair Manual

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Page 1769 of 2771

NISSAN LATIO 2008 Service Repair Manual EM-92
< SERVICE INFORMATION >
CYLINDER BLOCK
Main Bearing Selection Table (No. 2 and 3 journals)
Main Bearing Grade Table (All Journals)
Unit: mm (in)
PBIC4079E
Grade number Thickness Identification

Page 1770 of 2771

NISSAN LATIO 2008 Service Repair Manual CYLINDER BLOCK
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< SERVICE INFORMATION >
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P O Use Undersize Bearing Usage Guide
• When the specified main bearing oil clearance is not obtained with standard size main

Page 1771 of 2771

NISSAN LATIO 2008 Service Repair Manual EM-94
< SERVICE INFORMATION >
CYLINDER BLOCK
• Measure the side clearance between connecting rod and crank-
shaft arm with a feeler gauge (A).
• If the measured value exceeds the limit, replace co

Page 1772 of 2771

NISSAN LATIO 2008 Service Repair Manual CYLINDER BLOCK
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• Measure the side clearance of piston ring and piston ring groove
with a feeler gauge (A).
• If the measured value exc

Page 1773 of 2771

NISSAN LATIO 2008 Service Repair Manual EM-96
< SERVICE INFORMATION >
CYLINDER BLOCK
• Check with a connecting rod aligner.
• If it exceeds the limit, replace connecting rod assembly.
CONNECTING ROD BIG END DIAMETER
• Install connecti

Page 1774 of 2771

NISSAN LATIO 2008 Service Repair Manual CYLINDER BLOCK
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Measure the outer diameter of piston pin with a micrometer (A).
Connecting Rod Bushing Oil Clearance
(Connecting rod bushin

Page 1775 of 2771

NISSAN LATIO 2008 Service Repair Manual EM-98
< SERVICE INFORMATION >
CYLINDER BLOCK
Main bearing caps cannot be replaced as a single, because it is machined together with cylinder block.
PISTON TO CYLINDER BORE CLEARANCE
Cylinder Bore Inne

Page 1776 of 2771

NISSAN LATIO 2008 Service Repair Manual CYLINDER BLOCK
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• Measure the outer diameter of crankshaft main journals with a
micrometer (A).
• If out of the standard, measure the m

CYLINDER BLOCK
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• Measure the outer diameter of crankshaft main journals with a
micrometer (A).
• If out of the standard, measure the main bearing oil clearance.
Then use undersize bearing. Follow the "MAIN BEARING OIL
CLEARANCE" procedure.
CRANKSHAFT PIN JOURNAL DIAMETER
• Measure the outer diameter of crankshaft pin journal with a micrometer.
• If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing. Follow
the "CONNECTING ROD BEARING OIL CLEARANCE" procedure.
OUT-OF-ROUND AND TAPER OF CRANKSHAFT
• Measure the dimensions at four different points as shown on each
main journal and pin journal with a micrometer.
• Out-of-round is indicated by the difference in dimensions between
“X” and “Y” at “A” and “B”.
• Taper is indicated by the difference in dimension between “A” and
“B” at “X” and “Y”.
• If the measured value exceeds the limit, correct or replace crankshaft.
• If corrected, measure the bearing oil clearance of the corrected main journal and/or pin journal. Then select
main bearing and/or connecting rod bearing. Follow the "MAIN BEARING OIL CLEARANCE" and/or "CON-
NECTING ROD BEARING OIL CLEARANCE" procedures.
CRANKSHAFT RUNOUT
• Place a V-block on a precise flat table to support the journals on
the both end of the crankshaft.
• Place a dial indicator (A) straight up on the No. 3 journal.
• While rotating crankshaft, read the movement of the pointer on the
dial indicator. (Total indicator reading)
• If it exceeds the limit, replace crankshaft.
CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation
Standard: 51.959 - 51.979 mm (2.0456 - 2.0464 in) dia.
PBIC3457J
Standard: 43.953 - 43.971 mm (1.7304-1.7311 in) dia.
Limit:
Out-of-round (Difference between “X” and “Y”)
: 0.0035 mm (0.0001 in)
Taper (Difference between “A” and “B”)
: 0.0035 mm (0.0001 in)
PBIC3459J
Standard : 0.05 mm (0.0020 in)
Limit : 0.10 mm (0.0040 in)
PBIC3458J

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