Infiniti FX35, FX50 (S51). Manual - part 960

 

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Infiniti FX35, FX50 (S51). Manual - part 960

 

 

EM-140

< 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 

EM-147, "Cylinder Block"

.

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 

EM-151, "Main Bearing"

.

HOW TO SELECT PISTON AND BEARING

EM-141

< UNIT DISASSEMBLY AND ASSEMBLY >

[VQ35HR]

C

D

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A

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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-151, "Main Bearing"

.

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)

EM-143

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[VQ35HR]

C

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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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