Infiniti FX35, FX50 (S51). Manual — part 960
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< UNIT DISASSEMBLY AND ASSEMBLY >
[VQ35HR]
HOW TO SELECT PISTON AND BEARING
4.
Apply sign at crossing in above step 3 to “MAIN BEARING GRADE TABLE”.
NOTE:
• “MAIN BEARING GRADE TABLE” applies to all journals.
• Service parts is available as a set of both upper and lower.
WHEN CYLINDER BLOCK AND CRANKSHAFT ARE REUSED
1.
Measure cylinder block main bearing housing inner diameter and crankshaft main journal diameter. Refer
to
.
2.
Correspond the measured dimension in “Cylinder block main bearing housing inner diameter” row of
“MAIN BEARING SELECTION TABLE”.
3.
Correspond the measured dimension in “Crankshaft main journal diameter” column of “MAIN BEARING
SELECTION TABLE”.
4.
Follow from step 3 in “When New Cylinder Block and Crankshaft are Used”.
MAIN BEARING SELECTION TABLE
MAIN BEARING GRADE TABLE (ALL JOURNALS)
UNDERSIZE BEARING USAGE GUIDE
• When the specified main bearing oil clearance is not obtained with standard size main bearings, use under-
size (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.
JPBIA0264ZZ
Main bearing grade table (All journals)
: Refer to
HOW TO SELECT PISTON AND BEARING
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< UNIT DISASSEMBLY AND ASSEMBLY >
[VQ35HR]
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CAUTION:
In grinding crankshaft main journal to use undersize bearings,
keep the fillet R (A) [1.5 - 1.7 mm (0.059 - 0.067 in)].
JPBIA0216ZZ
Bearing undersize table
: Refer to
.
EM-142
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VQ35HR]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000005245183
GENERAL SPECIFICATIONS
Drive Belt
INFOID:0000000005245184
DRIVE BELT
Cylinder arrangement
V-6
Displacement
cm
3
(cu in)
3,498 (213.45)
Bore and stroke
mm (in)
95.5 x 81.4 (3.760 x 3.205)
Valve arrangement
DOHC
Firing order
1-2-3-4-5-6
Number of piston rings
Compression
2
Oil
1
Number of main bearings
4
Compression ratio
10.6
Compression pressure
kPa (kg/cm
2
, psi)/300 rpm
Standard
1,275 (13.0, 185)
Minimum
981 (10.0, 142)
Differential limit between cylinders
98 (1.0, 14)
Cylinder number
Valve timing
(Valve timing control - “OFF”)
Unit: degree
a
b
c
d
e
f
248
248
2
66
0
68
SEM713A
PBIC0187E
Tension of drive belt
Belt tension is not necessary, as it is automatically adjusted by drive belt auto-tensioner.
SERVICE DATA AND SPECIFICATIONS (SDS)
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< SERVICE DATA AND SPECIFICATIONS (SDS)
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Spark Plug
INFOID:0000000005245185
SPARK PLUG
Unit: mm (in)
Intake Manifold
INFOID:0000000005245186
INTAKE MANIFOLD
Unit: mm (in)
Exhaust Manifold
INFOID:0000000005245187
EXHAUST MANIFOLD
Unit: mm (in)
Camshaft
INFOID:0000000005245188
CAMSHAFT
Unit: mm (in)
Make
DENSO
Standard type
FXE22HR11
Gap
Standard
1.1 (0.043)
Limit
1.4 (0.055)
Items
Limit
Surface distortion
Intake manifold
0.1 (0.004)
Items
Limit
Surface distortion
Exhaust manifold
0.7 (0.028)
Items
Standard
Limit
Camshaft journal oil clearance
No. 1
0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
No. 2, 3, 4
0.035 - 0.076 (0.0014 - 0.0030)
Camshaft bracket inner diameter
No. 1
26.000 - 26.021 (1.0236 - 1.0244)
—
No. 2, 3, 4
23.500 - 23.521 (0.9252 - 0.9260)
—
Camshaft journal diameter
No. 1
25.935 - 25.955 (1.0211 - 1.0218)
—
No. 2, 3, 4
23.445 - 23.465 (0.9230 - 0.9238)
—
Camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.24 (0.0094)
Camshaft cam height “A”
Intake
45.865 - 46.055 (1.8057 - 1.8132)
0.2 (0.008)*
1
Exhaust
45.875 - 46.065 (1.8061 - 1.8136)
0.2 (0.008)*
1
Camshaft runout [TIR*
2
]
Less than 0.02 (0.0008)
0.05 (0.0020)
Camshaft sprocket runout [TIR*
2
]
—
0.15 (0.0059)
SEM671
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