2006 INFINITI M35 Factory Service Manual

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INFINITI M35 2006 Factory Service Manual EM-146
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
CRANKSHAFT PIN JOURNAL DIAMETER
Measure the outer diameter of crankshaft pin journal with a
micrometer.
If out of the sta

EM-146
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
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-146,
"CONNECTING ROD BEARING OIL CLEARANCE" .
CRANKSHAFT OUT-OF-ROUND AND TAPER
Measure the dimensions at four different points as shown in the
figure on each main journal and pin journal with a micrometer.
Out-of-round is indicated by the difference in the dimensions
between “X” and “Y” at “A” and “B”.
Taper is indicated by the difference in the dimensions 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 the main bearing and/or connecting rod bearing. Refer to EM-147, "
MAIN BEARING OIL CLEAR-
ANCE" and/or EM-146, "CONNECTING ROD BEARING OIL CLEARANCE" .
CRANKSHAFT RUNOUT
Place V-block on precise flat table, and support the journals on
the both end of crankshaft.
Place a dial indicator straight up on the No. 3 journal.
While rotating crankshaft, read the movement of the pointer on a
dial indicator. (Total indicator reading)
If it exceeds the limit, replace crankshaft.
CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation
Install connecting rod bearings to connecting rod and connect-
ing rod cap, and tighten connecting rod bolts to the specified
torque. Refer to EM-128, "
ASSEMBLY" for the tightening proce-
dure.
Measure the inner diameter of connecting rod bearing with an
inside micrometer.
(Oil clearance) = (Connecting rod bearing inner diameter) – (Crank-
shaft pin journal diameter)Standard : 51.956 - 51.974 mm (2.0455 - 2.0462 in) dia.
PBIC0127E
Limit:
Out-of-round (Difference between “X” and “Y”)
: 0.002 mm (0.0001 in)
Taper (Difference between “A” and “B”)
: 0.002 mm (0.0001 in)
SBIA0535E
Standard : Less than 0.05 mm (0.002 in)
Limit : 0.10 mm (0.004 in)
SEM346D
PBIC1642E

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INFINITI M35 2006 Factory Service Manual CYLINDER BLOCK
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Revision: 2006 January2006 M35/M45If the calculated value exceeds the limit, select proper connecting rod bearing according to connecting rod
b

CYLINDER BLOCK
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Revision: 2006 January2006 M35/M45If the calculated value exceeds the limit, select proper connecting rod bearing according to connecting rod
big end diameter and crankshaft pin journal diameter to obtain the specified bearing oil clearance. Refer
to EM-136, "
HOW TO SELECT CONNECTING ROD BEARING" .
Method of Using Plastigage
Remove oil and dust on crankshaft pin journal 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 connecting rod bearing cap, and tighten connecting
rod bolts to the specified torque. Refer to EM-128, "
ASSEMBLY" for the tightening procedure.
CAUTION:
Do not rotate crankshaft.
Remove connecting rod bearing cap and bearings, and using
the scale 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 to cylinder block and main bearing caps,
and tighten main bearing cap bolts with main bearing beam to
the specified torque. Refer to EM-128, "
ASSEMBLY" for the
tightening procedure.
Measure the inner diameter of main bearing with a bore gauge.
(Oil clearance) = (Main bearing inner diameter) – (Crankshaft main
journal diameter)
If the calculated value exceeds the limit, select proper main bearing according to main bearing inner diam-
eter and crankshaft main journal diameter to obtain the specified bearing oil clearance. Refer to EM-137,
"HOW TO SELECT MAIN BEARING" .
Method of Using Plastigage
Remove engine oil and dust on crankshaft journal 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 main bearing to cylinder block and main bearing cap, and tighten main bearing bolts with main
bearing beam to the specified torque. Refer to EM-128, "
ASSEMBLY" for the tightening procedure.
CAUTION:
Never rotate crankshaft.Standard : 0.034 - 0.059 mm (0.0013 - 0.0023 in)
(actual clearance)
Limit : 0.070 mm (0.0028 in)
PBIC1149E
Standard : 0.035 - 0.045 mm (0.0014 - 0.0018 in)
(actual clearance)
Limit : 0.065 mm (0.0026 in)
PBIC1644E

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INFINITI M35 2006 Factory Service Manual EM-148
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CYLINDER BLOCK
Revision: 2006 January2006 M35/M45
Remove main bearing caps and bearings, and using the scale
on the plastigage bag, measure the plastigage width.
NOTE:
The procedure

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INFINITI M35 2006 Factory Service Manual CYLINDER BLOCK
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Revision: 2006 January2006 M35/M45
CONNECTING ROD BOLT OUTER DIAMETER
Measure the outer diameter “d” at position shown in the figure.
If th

Page 3213 of 5621

INFINITI M35 2006 Factory Service Manual EM-150
[VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00100
Standard and LimitNBS004O4
GENERAL SPECIFICATIONS
Cylinder arran

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INFINITI M35 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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Revision: 2006 January2006 M35/M45
DRIVE BELT
*: If belt tension gauge cannot be installed at check points shown, check

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INFINITI M35 2006 Factory Service Manual EM-152
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SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 January2006 M35/M45
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*
1 : Cam wear limit
*2 : Total indicator reading
Valve Lifter
Unit

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INFINITI M35 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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Revision: 2006 January2006 M35/M45
Available Valve Lifter
Unit: mm (in)
Identification (stamped) mark Thickness
788U or

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