2001 NISSAN ALMERA N16 Electronic Repair Manual

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Page 225 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual JEM208G
+If cylinder block or pistons are replaced with new ones, select
piston as follows:
When using a new cylinder block:
+Identify the cylinder bore grade (No. 1, 2, or 3) on LH surface
at the rea

Page 226 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual SEM316A
CRANKSHAFTNJEM0073S071. Check crankshaft main and pin journals for score, wear or
cracks.
2. With a micrometer, measure journals for taper and out-of-
round.
Out-of-round (X þ Y):
Standard
0.

Page 227 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual 2. If the value is out of the specified range, select main bearings
to obtain the specified oil clearance, based on the measure-
ments of the main bearing housing inner diameter and crank-
shaft journ

2. If the value is out of the specified range, select main bearings
to obtain the specified oil clearance, based on the measure-
ments of the main bearing housing inner diameter and crank-
shaft journal outer diameter.
JEM208G
When using a new cylinder block and crankshaft:
1) Identify the bearing housing grade (No. 0, 1, or 2) on LH sur-
face at the rear of the cylinder block, and locate the applicable
grade on the ªGradeº row in the table below.
2) Identify the journal grade (No. 0, 1, or 2) on the front surface
of the crankshaft, and locate the applicable grade under the
ªGradeº column on the table.
3) The main bearing to be used (STD 0 to STD 4) can be located
in the cell where the row and column cross.
JEM215G
When re-using removed cylinder block and crankshaft:
1) Measure the inner diameter of cylinder block main bearing
housing.
2) Locate the applicable cell where the measurement falls, on
ªCylinder block main bearing housing IDº row on the table.
3) Measure the outer diameter of the crankshaft journal.
4) Locate the applicable cell where the measurement falls, under
ªCrankshaft journal ODº column on the table.
5) The main bearing to be used (STD 0 to STD 4) can be located
in the cell where the row and column cross.
Selective fitting for main bearing
Unit: mm (in)
Cylinder block main bearing housing ID66.654 - 66.663
(2.6242 - 2.6245)66.663 - 66.672
(2.6245 - 2.6249)66.672 - 66.681
(2.6249 - 2.6252)
Crankshaft journal
ODGrade
(punched)012
62.967 - 62.975
(2.4790 - 2.4793)0+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 0
1.816 - 1.820
(0.0715 - 0.0717)
0.039 - 0.066
(0.0015 - 0.0026)
BlackSTD 1
1.820 - 1.824
(0.0717 - 0.0718)
0.039 - 0.066
(0.0015 - 0.0026)
Red or BrownSTD 2
1.824 - 1.828
(0.0718 - 0.0720)
0.039 - 0.066
(0.0015 - 0.0026)
Green
62.959 - 62.967
(2.4787 - 2.6790)1+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 1
1.820 - 1.824
(0.0717 - 0.0718)
0.039 - 0.066
(0.0015 - 0.0026)
Red or BrownSTD 2
1.824 - 1.828
(0.0718 - 0.0720)
0.039 - 0.066
(0.0015 - 0.0026)
GreenSTD 3
1.828 - 1.832
(0.0720 - 0.0721)
0.039 - 0.066
(0.0015 - 0.0026)
Yellow
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-149

Page 228 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual 62.951 - 62.959
(2.4784 - 2.4787)2+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 2
1.824 - 1.828
(0.0718 - 0.0720)
0.039 - 0.066
(0.0015 - 0.0026)
GreenSTD 3
1.828 - 1.8

Page 229 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual JEM215G
When using a new crankshaft and connecting rods:
+Identify the pin diameter grade (No. 0, 1, or 2) on front surface
of crankshaft and select the connecting rod bearings of the
same grade.
+The

JEM215G
When using a new crankshaft and connecting rods:
+Identify the pin diameter grade (No. 0, 1, or 2) on front surface
of crankshaft and select the connecting rod bearings of the
same grade.
+There is no grading for the inner diameter of the big end of the
connecting rod.
When re-using the removed crankshaft and connecting rods:
+Measure the inner diameter of the big end of the connecting
rod and make sure it is within the specified range.
+Measure the outer diameter of the crankshaft pin.
+Determine the crankshaft pin grade by comparing the mea-
surement with the values under the column ªCrankshaft pin
ODº of the table below. Choose the bearings of the same
grade.
Selective fitting for connecting rod bearing
Unit: mm (in)
Connecting rod big end ID 55.000 - 55.013 (2.1654 - 2.1659)
Crankshaft pin OD Grade (punched) 0 (no punching)
51.968 - 51.974
(2.0460 - 2.0462)0+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 0
1.492 - 1.496
(0.0587 - 0.0589)
0.031 - 0.061
(0.0012 - 0.0024)
Black
51.961 - 51.968
(2.0457 - 2.0460)1+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 1
1.496 - 1.500
(0.0589 - 0.0591)
0.031 - 0.061
(0.0012 - 0.0024)
Brown
51.954 - 51.961
(2.0454 - 2.0457)2+Bearing grade No.
+Bearing thickness
+Oil clearance
+Identification colorSTD 2
1.500 - 1.504
(0.0591 - 0.0592)
0.031 - 0.061
(0.0012 - 0.0024)
Green
7. If clearance cannot be adjusted within the standard of any
bearing, grind crankshaft journal and use undersized bearing.
+When an undersized bearing is used, measure the inner diam-
eter of the bearing while the bearing is installed. Grind the pins
so that the specified oil clearance is obtained.
JEM216G
Undersize bearing
Unit: mm (in)
Size Thickness
US 0.08 (0.0031) 1.536 - 1.540 (0.0605 - 0.0606)
US 0.12 (0.0047) 1.556 - 1.560 (0.0613 - 0.0614)
US 0.25 (0.0098) 1.621 - 1.625 (0.0638 - 0.0640)
CAUTION:
When grinding the crankshaft journal to use an undersize
bearing, avoid damaging the fillet R.
CYLINDER BLOCKYD
Inspection (Cont'd)
EM-151

Page 230 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual Standard dimension R:
1.5 - 1.7 mm (0.0591 - 0.0669 in)
EM142
Method B (Using plastigage)
CAUTION:
+Do not turn crankshaft or connecting rod while plastigage
is being inserted.
+When bearing clearance

Page 231 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual Limit: 0.057 mm (0.0022 in)
If it exceeds the limit, replace connecting rod assembly and/or
piston set with pin.
JEM220G
CONNECTING ROD BOLT DEFORMATIONNJEM0073S18+Install nuts to connecting rod bolts

Page 232 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual JEM222G
OIL JET RELIEF VALVENJEM0073S20Using a clean resin rod, press down on the check valve inside relief
valve. Check for appropriate bounce/repulsion and smooth
operation.
AssemblyNJEM0074PISTONNJ

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