2006 INFINITI M35 Factory Service Manual

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INFINITI M35 2006 Factory Service Manual EM-258
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
When installing, align the connecting rod bearing stopper pro-
trusion with the cutout of connecting rod and connecting rod
b

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16. Install knock sensor.
Install it with its connector facing the rear of engine.
Install the sub-harness

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16. Install knock sensor.
Install it with its connector facing the rear of engine.
Install the sub-harness with its shorter branch line to the right
bank.
CAUTION:
Do not tighten mounting bolts while holding connector.
If any impact by dropping is applied to knock sensor,
replace it with new one.
NOTE:
Make sure that there is no foreign material on the cylinder
block mating surface and the back surface of knock sensor.
Make sure that knock sensor does not interfere with other parts.
17. Note the following, and assemble in the reverse order of disassembly after this step.
Drive plate
When installing drive plate to crankshaft, be sure to correctly
align crankshaft side guide pin and drive plate side guide pin
hole.
CAUTION:
If these are not aligned correctly, engine runs roughly
and “MIL” turns on.
Install drive plate, reinforcement plate and pilot converter (if
not installed in step 4) as shown in the figure.
Face chamfered or rounded edge side to crankshaft.
Holding ring gear with ring gear stopper [SST: J-45476].
Tighten mounting bolts crosswise over several times.
When install pilot converter, using drift [outer diameter:
approx. 35 mm (1.38 in)]. Press-fit as far as it will go.
How to Select Piston and Bearing NBS004PO
DESCRIPTION
PBIC0105E
PBIC0106E
PBIC1965E
Selection points Selection parts Selection items Selection methods
Between cylinder block and
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 and con-
necting 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 and 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 and connecting
rod*———

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INFINITI M35 2006 Factory Service Manual EM-260
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
*: For the service parts, the grade for fitting cannot be selected between piston pin and connecting rod. (Only “0” grade is avai

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HOW TO SELECT CONNECTING ROD BEARING
When New Connecting Rod and Crankshaft are Used
Check pin diameter grad

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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-268, "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-272, "
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 (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.
CAUTION:
In grinding crankshaft pin to use undersize bearings, keep
the fillet R [1.5 mm (0.059 in)].
Bearing undersize table
Unit: mm (in)
PBIC2374E
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 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
PBIC2373E
Size Thickness
US 0.25 (0.0098) 1.626 - 1.634 (0.0640 - 0.0643)

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INFINITI M35 2006 Factory Service Manual EM-262
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
HOW TO SELECT MAIN BEARING
When New Cylinder Block and Crankshaft are Used
1. “Main Bearing Selection Table” rows correspond to ma

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Main Bearing Selection Table (No. 1 and 5 Journal)
PBIC2375E

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INFINITI M35 2006 Factory Service Manual EM-264
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
Main Bearing Selection Table (No. 2, 3 and 4 Journal)
PBIC2376E

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Main Bearing Grade Table (All Journals)
Unit: mm (in)
Use Undersize Bearing Usage Guide
When the specified

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Main Bearing Grade Table (All Journals)
Unit: mm (in)
Use Undersize Bearing Usage Guide
When the specified main bearing oil clearance is not obtained with standard size main bearings, use
underside (US) bearing.
When using undersize (US) bearing, measure the main bearing inner diameter with bearing installed, and
grind main journal so that the main bearing oil clearance satisfies the standard.
CAUTION:
In grinding crankshaft main journal to use undersize bear-
ings, keep the fillet R [1.5 mm (0.059 in)].
Bearing undersize table
Unit: mm (in) Grade number Thickness Identification color Remarks
0 2.483 - 2.486 (0.0978 - 0.0979) Black
Grade and color are the same
for upper and lower bearings. 1 2.486 - 2.489 (0.0979 - 0.0980) Brown
2 2.489 - 2.492 (0.0980 - 0.0981) Green
3 2.492 - 2.495 (0.0981 - 0.0982) Yellow
4 2.495 - 2.498 (0.0982 - 0.0983) Blue
5 2.498 - 2.501 (0.0983 - 0.0985) Pink
6 2.501 - 2.504 (0.0985 - 0.0986) Purple
7 2.504 - 2.507 (0.0986 - 0.0987) White
8 2.507 - 2.510 (0.0987 - 0.0988) Red
01UPR 2.483 - 2.486 (0.0978 - 0.0979) Black
Grade and color are different
for upper and lower bearings. LWR 2.486 - 2.489 (0.0979 - 0.0980) Brown
12UPR 2.486 - 2.489 (0.0979 - 0.0980) Brown
LWR 2.489 - 2.492 (0.0980 - 0.0981) Green
23UPR 2.489 - 2.492 (0.0980 - 0.0981) Green
LWR 2.492 - 2.495 (0.0981 - 0.0982) Yellow
34UPR 2.492 - 2.495 (0.0981 - 0.0982) Yellow
LWR 2.495 - 2.498 (0.0982 - 0.0983) Blue
45UPR 2.495 - 2.498 (0.0982 - 0.0983) Blue
LWR 2.498 - 2.501 (0.0983 - 0.0985) Pink
56UPR 2.498 - 2.501 (0.0983 - 0.0985) Pink
LWR 2.501 - 2.504 (0.0985 - 0.0986) Purple
67UPR 2.501 - 2.504 (0.0985 - 0.0986) Purple
LWR 2.504 - 2.507 (0.0986 - 0.0987) White
78UPR 2.504 - 2.507 (0.0986 - 0.0987) White
LWR 2.507 - 2.510 (0.0987 - 0.0988) Red
PBIC2373E
Size Thickness
US 0.25 (0.0098) 2.618 - 2.626 (0.1031 - 0.1034)

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