2004 INFINITI FX35 Service Manual

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INFINITI FX35 2004 Service Manual EM-244
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CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
Before loosening main bearing cap bolts, measure the crankshaft end play. Refer to EM-256, "CRANK-
SHAFT END PLAY" .
Loosen bolt

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INFINITI FX35 2004 Service Manual CYLINDER BLOCK
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2. Install each plug to the cylinder block. (Only screwed-type plugs
are shown in the figure.)
Apply th

Page 2971 of 4449

INFINITI FX35 2004 Service Manual EM-246
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CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
Press-fit pilot converter with its chamfering side facing crank-
shaft as shown in the figure.
It is possible to remove pilot co

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INFINITI FX35 2004 Service Manual CYLINDER BLOCK
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8. Install rear oil seal to rear oil seal retainer with suitable drift.
Tap until flattened with front

Page 2973 of 4449

INFINITI FX35 2004 Service Manual EM-248
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CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
11. Using piston ring expander (commercial service tool), install pis-
ton rings.
CAUTION:
Be careful not to damage piston.
Posi

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15. Tighten the connecting rod nuts as follows:
a. Apply engine oil to the threads and seats of connecti

Page 2975 of 4449

INFINITI FX35 2004 Service Manual EM-250
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CYLINDER BLOCK
Revision: 2004 November 2004 FX35/FX45
How to Select Piston and Bearing ABS006IV
DESCRIPTION
*: For the service parts, the grade for fitting cannot be selected between

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Revision: 2004 November 2004 FX35/FX45
How to Select Piston and Bearing ABS006IV
DESCRIPTION
*: For the service parts, the grade for fitting cannot be selected between piston pin and connecting rod. (Only “0” grade is available.) The
information at the shipment from the plant is described as a reference.
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 dimension 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, refer to the text.
HOW TO SELECT PISTON
When New Cylinder Block Is Used:
Check the cylinder bore grade (“0”, “1” or “2”) on the rear upper side
between cylinder block banks, and select piston of the same grade.
NOTE:
Piston is available with piston pin as a set for the service part. (Only
“0” grade piston pin is available.)
When Cylinder Block Is Reused:
1. Measure the cylinder bore inner diameter. Refer to EM-260, "Cylinder Bore Inner Diameter" .
2. Determine the bore grade by comparing the measurement with the values the “Cylinder bore inner diame-
ter” of the “Piston Selection Table”. Select piston of the same grade.
Selection points Selection parts Selection items Selection methods
Between cylinder block to
crankshaftMain bearingMain 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 to connect-
ing rodConnecting rod bearingConnecting rod bearing grade
(bearing thickness)Combining service grades for
connecting rod big end diame-
ter and crankshaft pin outer
diameter determine connecting
rod bearing selection.
Between cylinder block to pis-
tonPiston and piston pin assembly
(Piston is available together
with piston pin as assembly.)Piston grade
(piston skirt diameter)Piston grade = cylinder bore
grade (inner diameter of bore)
Between piston to connecting
rod*———
PBIC2371E
PBIC2372E

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INFINITI FX35 2004 Service Manual CYLINDER BLOCK
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Piston Selection Table
Unit: mm (in)
NOTE:
Piston is available together with piston pin as assembly.
P

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Piston Selection Table
Unit: mm (in)
NOTE:
Piston is available together with piston pin as assembly.
Piston pin (piston pin hole) grade is provided only for the parts installed at the plant. For service parts, no
piston pin grades can be selected. (Only “0” grade is available.)
No second grade mark is available on piston.
HOW TO SELECT CONNECTING ROD BEARING
When New Connecting Rod and Crankshaft Are Used:
Check pin diameter grade (“0”, “1” or “2”) on front of crankshaft, and
select connecting rod bearing of the same grade.
NOTE:
There is no grading for connecting rod big end diameter.
When Crankshaft and Connecting Rod Are Reused:
1. Measure the connecting rod big end diameter. Refer to EM-258, "CONNECTING ROD BIG END DIAME-
TER" .
2. Make sure that the connecting rod big end diameter is within the standard value.
3. Measure the crankshaft pin journal diameter. Refer to EM-262, "
CRANKSHAFT PIN JOURNAL DIAME-
TER" .
4. Determine the grade of crankshaft pin diameter grade by corresponding to the measured dimension in
“Crankshaft pin journal diameter” column of “Connecting Rod Bearing Selection Table”.
5. Select connecting rod bearing of the same grade.
Connecting Rod Bearing Selection Table
Unit: mm (in)
Unit: mm (in)
Under Size Bearings Usage Guide
When the specified connecting rod bearing oil clearance is not obtained with standard size connecting rod
bearings, use undersize (US) bearings.
When using undersize bearing, measure the connecting rod bearing inner diameter with bearing installed,
and grind crankshaft pin so that the connecting rod bearing oil clearance satisfies the standard.
Grade 1 2 (or no mark) 3
Cylinder bore inner diameter93.000 / 93.010
(3.6614 / 3.6618)93.010 / 93.020
(3.6618 / 3.6622)93.020 / 93.030
(3.6622 / 3.6626)
Piston skirt diameter92.980 / 92.990
(3.6606 / 3.6610)92.990 / 93.000
(3.6610 / 3.6614)93.000 / 93.010
(3.6614 / 3.6618)
PBIC2374E
Connecting rod big end diameter 55.000 - 55.013 (2.1654 - 2.1659)
Crankshaft pin journal diameter Grade (Mark) Dimension (Bearing thickness range) Bearing grade No. Color
51.968 - 51.974 (2.0460 - 2.0462) 0 1.500 - 1.503 (0.0591 - 0.0592) STD 0 No color
51.962 - 51.968 (2.0457 - 2.0460) 1 1.503 - 1.506 (0.0592 - 0.0593) STD 1 Brown
51.956 - 51.962 (2.0455 - 2.0457) 2 1.506 - 1.509 (0.0593 - 0.0594) STD 2 Green

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