2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 257 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual Amount of cylinder block resurfacing is “B”.
The maximum limit is as follows:
A + B = 0.07mm (0.0028 in)
Nominal cylinder block height from crankshaft center:
252.95 - 253.05 mm (9.9586 - 9.9626 i

Page 258 of 3189

NISSAN ALMERA N16 2003 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 rear

Page 259 of 3189

NISSAN ALMERA N16 2003 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 − Y):
Standard
0

Page 260 of 3189

NISSAN ALMERA N16 2003 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 “Grade” 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
“Grade” 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
“Cylinder block main bearing housing ID” row on the table.
3) Measure the outer diameter of the crankshaft journal.
4) Locate the applicable cell where the measurement falls, under
“Crankshaft journal OD” 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)0Bearing 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)1Bearing 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-76

Page 261 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual 62.951 - 62.959
(2.4784 - 2.4787)2Bearing 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 - 1.832
(

62.951 - 62.959
(2.4784 - 2.4787)2Bearing 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 - 1.832
(0.0720 - 0.0721)
0.039 - 0.066
(0.0015 - 0.0026)
YellowSTD 4
1.832 - 1.836
(0.0721 - 0.0723)
0.039 - 0.066
(0.0015 - 0.0026)
Blue
3. When the specified oil clearance is not obtained with standard
size main bearings, use undersized bearings.
When an undersized bearing is used, measure the inner diam-
eter of the bearing while the bearing is installed. Grind crank-
shaft journal so that the specified oil clearance is obtained.
JEM216G
Undersize bearingUnit: mm (in)
Size Thickness
US 0.25 (0.0098) 1.949 - 1.953 (0.0767 - 0.0769)
CAUTION:
When grinding the crankshaft journal to use an undersize
bearing, avoid damaging the fillet R.
AEM027
Connecting Rod Bearing (Big end)NJEM0073S08021. Install connecting rod bearing to connecting rod and cap.
2. Install connecting rod cap to connecting rod.
Tighten bolts to the specified torque.
3. Measure inner diameter “C” of connecting rod.
Inner diameter:
Standard 55.000 - 55.013 mm (2.1654 - 2.1659 in)
AEM034
4. Measure outer diameter “Dp” of each crankshaft pin journal.
5. Calculate connecting rod bearing clearance.
Connecting rod bearing clearance = C − Dp
Standard: 0.031 - 0.061 mm (0.0012 - 0.0024 in)
6. If it exceeds the standard, replace bearing.
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.
GI
MA
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
CYLINDER BLOCKYD
Inspection (Cont’d)
EM-77

Page 262 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual Determine the crankshaft pin grade by comparing the mea-
surement with the values under the column “Crankshaft pin
OD” of the table below. Choose the bearings of the same
grade.
Selective fitting

Page 263 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EM142
Method B (Using plastigage)
CAUTION:
Do not turn crankshaft or connecting rod while plastigage
is being inserted.
When bearing clearance exceeds the specified limit,
ensure that the proper beari

Page 264 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual JEM220G
CONNECTING ROD BOLT DEFORMATIONNJEM0073S18Install 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 do

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