2007 INFINITI FX35 Service Manual

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Page 2929 of 4366

INFINITI FX35 2007 Service Manual CYLINDER BLOCK EM-137
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Revision: 2006 July 2007 FX35/FX45
Piston Selection Table
Unit: mm (in)
NOTE:
Piston is available together with piston pin as as

CYLINDER BLOCK EM-137
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Revision: 2006 July 2007 FX35/FX45
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-143, "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-147, "
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)
Undersize 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 (US) 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 diameter 95.500 - 95.510
(3.7598 - 3.7602) 95.510 - 95.520
(3.7602- 3.7606) 95.520 - 95.530
(3.7606 - 3.7610)
Piston skirt diameter 95.480 - 95.490
(3.7590 - 3.7594) 95.490 - 95.500
(3.7594 - 3.7598) 95.500 - 95.510
(3.7598 - 3.7602)
SEM452G
Connecting rod big end diameter 55.000 - 55.013 (2.1654 - 2.1659)
Crankshaft Connecting rod bearing
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 Black
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

Page 2930 of 4366

INFINITI FX35 2007 Service Manual EM-138
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CYLINDER BLOCK
Revision: 2006 July 2007 FX35/FX45
CAUTION:
In grinding crankshaft pin to use undersize bearings, keep
the fillet R [1.5 - 1.7 mm (0.059 - 0.067 in)].
Bearing undersiz

Page 2931 of 4366

INFINITI FX35 2007 Service Manual CYLINDER BLOCK EM-139
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Revision: 2006 July 2007 FX35/FX45
Main Bearing Selection Table
PBIC1981E

Page 2932 of 4366

INFINITI FX35 2007 Service Manual EM-140
[VQ35DE]
CYLINDER BLOCK
Revision: 2006 July 2007 FX35/FX45
Main Bearing Grade Table (All Journals)
Unit: mm (in)
Undersize Bearing Usage Guide
When the specified main bearing oil clearance is

Page 2933 of 4366

INFINITI FX35 2007 Service Manual CYLINDER BLOCK EM-141
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Revision: 2006 July 2007 FX35/FX45
Inspection After DisassemblyNBS003H8
CRANKSHAFT END PLAY
Measure the clearance between thrust

Page 2934 of 4366

INFINITI FX35 2007 Service Manual EM-142
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CYLINDER BLOCK
Revision: 2006 July 2007 FX35/FX45
When replacing piston and piston pin assembly, refer to EM-136, "HOW TO SELECT PISTON" .
NOTE:
Piston is available together with pi

Page 2935 of 4366

INFINITI FX35 2007 Service Manual CYLINDER BLOCK EM-143
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Revision: 2006 July 2007 FX35/FX45
CONNECTING ROD BEND AND TORSION
Check with a connecting rod aligner.
If it exceeds the limit

Page 2936 of 4366

INFINITI FX35 2007 Service Manual EM-144
[VQ35DE]
CYLINDER BLOCK
Revision: 2006 July 2007 FX35/FX45
Piston Pin Outer Diameter
Measure the outer diameter of piston pin with a micrometer.
Connecting Rod Bushing Oil Clearance
(Connecting

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