2006 NISSAN VERSA Workshop Service Repair Manual

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Page 1905 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EM-96Revision: June 2006
CYLINDER BLOCK
2007 Versa
When replacing piston and piston pin assembly, refer to EM-99, "Piston to Cylinder Bore Clearance" .
NOTE:
Piston is available together with piston

Page 1906 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CYLINDER BLOCK
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CONNECTING ROD BEND AND TORSION
Check with a connecting rod aligner.
If it exceeds the limit, replace connecting rod asse

Page 1907 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EM-98Revision: June 2006
CYLINDER BLOCK
2007 Versa
Piston Pin Outer Diameter
Measure the outer diameter of piston pin with a micrometer (A).
Connecting Rod Bushing Oil Clearance
(Connecting rod bushin

Page 1908 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CYLINDER BLOCK
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Measure the position shown [5 mm (0.20 in)] backward from
main bearing housing front side in the 2 directions as shown.
Th

Page 1909 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EM-100Revision: June 2006
CYLINDER BLOCK
2007 Versa
If it exceeds the limit, replace piston and piston pin assembly and/or cylinder block. Refer to EM-87,
"HOW TO SELECT PISTON" .
CRANKSHAFT MAIN JOU

EM-100Revision: June 2006
CYLINDER BLOCK
2007 Versa
If it exceeds the limit, replace piston and piston pin assembly and/or cylinder block. Refer to EM-87,
"HOW TO SELECT PISTON" .
CRANKSHAFT MAIN JOURNAL DIAMETER
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. Refer to EM-101, "
MAIN BEARING
OIL CLEARANCE" .
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.
Refer to EM-101, "
CONNECTING ROD BEARING OIL CLEARANCE" .
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. Refer to EM-101, "
MAIN BEARING OIL CLEAR-
ANCE" and/or EM-101, "CONNECTING ROD BEARING OIL CLEARANCE" .
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.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

Page 1910 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CYLINDER BLOCK
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CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation
Install connecting rod bearings (2) to connecting rod (3) and

CYLINDER BLOCK
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CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation
Install connecting rod bearings (2) to connecting rod (3) and
connecting rod bearing cap (1), and tighten connecting rod bolts
to the specified torque. Refer to EM-81, "
ASSEMBLY" for tight-
ening procedure.
Measure the inner diameter of connecting rod bearing with an
inside micrometer.
(Bearing oil clearance) = (Connecting rod bearing inner diame-
ter) – (Crankshaft pin journal diameter)
If clearance exceeds the limit, select proper connecting rod bearing according to connecting rod big end
diameter and crankshaft pin journal diameter to obtain specified bearing oil clearance. Refer to EM-88,
"HOW TO SELECT CONNECTING ROD BEARING" .
Method of Using Plastigage
Remove engine oil and dust on crankshaft pin and the surfaces of each bearing completely.
Cut a plastigage slightly shorter than the bearing width, and place it in crankshaft axial direction, avoiding
oil holes.
Install connecting rod bearings to connecting rod and cap, and tighten connecting rod bolts to the speci-
fied torque. Refer to EM-81, "
ASSEMBLY" for the tightening procedure.
CAUTION:
Never rotate crankshaft.
Remove connecting rod cap and bearing, and using the scale
(A) on the plastigage bag, measure the plastigage width.
NOTE:
The procedure when the measured value exceeds the limit is
same as that described in the “Method by Calculation”.
MAIN BEARING OIL CLEARANCE
Method by Calculation
Install main bearings (3) to cylinder block (1) and main bearing
cap (2), and tighten main bearing cap bolts to the specified
torque. Refer to EM-81, "
ASSEMBLY" for the tightening proce-
dure.
Measure the inner diameter of main bearing with a bore gauge.
(Bearing oil clearance) = (Main bearing inner diameter) – (Crank-
shaft main journal diameter)
A : Example
B : Inner diameter measuring direction
Standard : 0.037 - 0.047 mm (0.0015 - 0.0019 in)
Limit : 0.07 mm (0.0028 in)
PBIC3275J
PBIC3276J
A : Example
B : Inner diameter measuring direction
Standard:
No. 1, 4 and 5 journals
: 0.024 - 0.034 mm (0.0009 - 0.0013 in)
No. 2 and 3 journalsPBIC3277J

Page 1911 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EM-102Revision: June 2006
CYLINDER BLOCK
2007 Versa
If clearance exceeds the limit, select proper main bearing according to main bearing inner diameter and
crankshaft main journal diameter to obtain

Page 1912 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CYLINDER BLOCK
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MAIN BEARING CAP BOLT OUTER DIAMETER
Measure the outer diameters (“d1 ”, “d2” ) at two positions as
shown.
If r

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