Infiniti FX35 / FX45. Manual - part 659

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-153

< SERVICE INFORMATION >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Unit: mm (in)

Valve Guide

Unit: mm (in)

Valve Seat

Valve head diameter “D”

Intake

37.0 - 37.3 (1.457 - 1.469)

Exhaust

31.2 - 31.5 (1.228 - 1.240)

Valve length “L”

Intake

96.46 (3.7976)

Exhaust

93.99 (3.7004)

Valve stem diameter “d”

Intake

5.965 - 5.980 (0.2348 - 0.2354)

Exhaust

5.955 - 5.970 (0.2344 - 0.2350)

Valve seat angle “

α

”

Intake

45

°

15

′

 - 45

°

45

′

Exhaust

Valve margin “T”

Intake

1.1 (0.043)

Exhaust

1.3 (0.051)

Valve margin “T” limit

0.5 (0.020)

Valve stem end surface grinding limit

0.2 (0.008)

SEM188

Items

Standard

Oversize (Service) [0.2 (0.008)]

Valve guide

Outer diameter

10.023 - 10.034 (0.3946 - 0.3950)

10.223 - 10.234 (0.4025 - 0.4029)

Inner diameter (Finished size)

6.000 - 6.018 (0.2362 - 0.2369)

Cylinder head valve guide hole diameter

9.975 - 9.996 (0.3927 - 0.3935)

10.175 - 10.196 (0.4006 - 0.4014)

Interference fit of valve guide

0.027 - 0.059 (0.0011 - 0.0023)

Items

Standard

Limit

Valve guide clearance

Intake

0.020 - 0.053 (0.0008 - 0.0021)

0.08 (0.0031)

Exhaust

0.030 - 0.063 (0.0012 - 0.0025)

0.09 (0.0039)

Projection length “L”

12.6 - 12.8 (0.496 - 0.504)

SEM950E

EM-154

< SERVICE INFORMATION >

[VQ35DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

*

1

: Diameter made by intersection point of conic angles “

α

1” and “

α

2” 

*

2

: Diameter made by intersection point of conic angles “

α

2” and “

α

3” 

*

3

: Machining data

Valve Spring

CYLINDER BLOCK

Items

Standard

Oversize (Service) [0.5 (0.02)]

Cylinder head seat recess diameter “D”

Intake

38.000 - 38.016 (1.4961 - 1.4967)

38.500 - 38.516 (1.5157 - 1.5164)

Exhaust

32.200 - 32.216 (1.2677 - 1.2683)

32.700 - 32.716 (1.2874 - 1.2880)

Valve seat outer diameter “d”

Intake

38.097 - 38.113 (1.4999 - 1.5005)

38.597 - 38.613 (1.5196 - 1.5202)

Exhaust

32.280 - 32.296 (1.2709 - 1.2715)

32.780 - 32.796 (1.2905 - 1.2912)

Valve seat interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.064 - 0.096 (0.0025 - 0.0038)

Diameter “d1”*

1

Intake

35 (1.38)

Exhaust

28.7 (1.130)

Diameter “d2”*

2

Intake

36.6 - 36.8 (1.441 - 1.449)

Exhaust

30.6 - 30.8 (1.205 - 1.213)

Angle “

α

1”

Intake

60

°

Exhaust

60

°

Angle “

α

2”

Intake

88

°

45

′

 - 90

°

15

′

Exhaust

88

°

45

′

 - 90

°

15

′

Angle “

α

3”

Intake

120

°

Exhaust

120

°

Contacting width “W”*

3

Intake

1.09 - 1.31 (0.0429 - 0.0516)

Exhaust

1.29 - 1.51 (0.0508 - 0.0594)

Height “h”

Intake

5.9 - 6.0 (0.232 - 0.236)

5.05 - 5.15 (0.1988 - 0.2028)

Exhaust

5.9 - 6.0 (0.232 - 0.236)

4.95 - 5.05 (0.1949 - 0.1988)

Depth “H”

6.0 (0.236)

PBIC2745E

Free height 

mm (in)

47.07 (1.8531)

Pressure 

N (kg, lb) at height mm (in)

Installation

166 - 188 (16.9 - 19.2, 37 - 42) at 37.0 (1.457)

Valve open

373 - 421 (38.0 - 42.9, 84 - 95) at 27.2 (1.071)

Out-of-square 

mm (in)

Limit

2.1 (0.083)

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-155

< SERVICE INFORMATION >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Unit: mm (in)

PISTON, PISTON RING AND PISTON PIN

Available Piston

Surface flatness

Standard

Less than 0.03 (0.0012)

Limit

0.1 (0.004)

Main bearing housing inner diameter

Standard

63.993 - 64.017 (2.5194 - 2.5203)

Cylinder bore

Inner diameter

Standard

Grade No. 1

95.500 - 95.510 (3.7598 - 3.7602)

Grade No. 2

95.510 - 95.520 (3.7602 - 3.7606)

Grade No. 3

95.520 - 95.530 (3.7606 - 3.7610)

Wear limit

0.2 (0.008)

Out-of-round (Difference between “X” and “Y”)

Limit

0.015 (0.0006)

Taper (Difference between “A” and “C”)

0.01 (0.0004)

Main journal inner diameter grade (Without bearing)

Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 4
Grade No. 7

63.993 - 63.994 (2.5194 - 2.5194)
63.994 - 63.995 (2.5194 - 2.5195)
63.995 - 63.996 (2.5195 - 2.5195)
63.996 - 63.997 (2.5195 - 2.5196)
63.997 - 63.998 (2.5196 - 2.5196)
63.998 - 63.999 (2.5196 - 2.5196)
63.999 - 64.000 (2.5196 - 2.5197)
64.000 - 64.001 (2.5197 - 2.5197)
64.001 - 64.002 (2.5197 - 2.5198)
64.002 - 64.003 (2.5198 - 2.5198)
64.003 - 64.004 (2.5198 - 2.5198)
64.004 - 64.005 (2.5198 - 2.5199)
64.005 - 64.006 (2.5199 - 2.5199)
64.006 - 64.007 (2.5199 - 2.5200)
64.007 - 64.008 (2.5200 - 2.5200)
64.008 - 64.009 (2.5200 - 2.5200)
64.009 - 64.010 (2.5200 - 2.5201)

64.010 - 64.011 (2.5201 - 2.5201)
64.011 - 64.012 (2.5201 - 2.5202)

64.012 - 64.013 (2.5202 - 2.5202)
64.013 - 64.014 (2.5202 - 2.5202)
64.014 - 64.015 (2.5202 - 2.5203)
64.015 - 64.016 (2.5203 - 2.5203)
64.016 - 64.017 (2.5203 - 2.5203)

Difference in inner diameter between cylinders

Standard

Less than 0.03 (0.0012)

PBIC0923E

EM-156

< SERVICE INFORMATION >

[VQ35DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

Piston Ring

Unit: mm (in)

Piston Pin

Unit: mm (in)

CONNECTING ROD

Unit: mm (in)

Items

Standard

Oversize (Service) [0.2 (0.008)]

Piston skirt diameter “A”

Grade No. 1

95.480 - 95.490 (3.7590 - 3.7594)

—

Grade No. 2

95.490 - 95.500 (3.7594 - 3.7598)

—

Grade No. 3

95.500 - 95.510 (3.7598 - 3.7602)

—

Service

—

95.680 - 95.710 (3.7669 - 3.7681)

Items

Standard

Limit

“a” dimension

41.0 (1.614)

—

Piston pin hole diameter

Grade No. 0

21.993 - 21.999 (0.8659 - 0.8661)

—

Grade No. 1

21.999 - 22.005 (0.8661 - 0.8663)

—

Piston to cylinder bore clearance

0.010 - 0.030 (0.0004 - 0.0012)

0.08 (0.0031)

SEM882E

Items

Standard

Limit

Side clearance

Top

0.045 - 0.080 (0.0018 - 0.0031)

0.11 (0.0043)

2nd

0.030 - 0.070 (0.0012 - 0.0028)

0.1 (0.004)

Oil ring

0.065 - 0.135 (0.0026 - 0.0053)

—

End gap

Top

0.23 - 0.33 (0.0091 - 0.0130)

0.54 (0.0213)

2nd

0.33 - 0.48 (0.0130 - 0.0189)

0.80 (0.0315)

Oil (rail ring)

0.20 - 0.50 (0.0079 - 0.0197)

0.95 (0.0374)

Items

Standard

Limit

Piston pin outer diameter

Grade No. 0

21.989 - 21.995 (0.8657 - 0.8659)

—

Grade No. 1

21.995 - 22.001 (0.8659 - 0.8662)

—

Piston to piston pin oil clearance

0.002 - 0.006 (0.0001 - 0.0002)

—

Connecting rod bushing oil clearance

0.005 - 0.017 (0.0002 - 0.0007)

0.030 (0.0012)

Items

Standard

Limit

Center distance

144.15 - 144.25 (5.68 - 5.68)

—

Bend [per 100 (3.94)]

—

0.15 (0.0059)

Torsion [per 100 (3.94)]

—

0.30 (0.0118)

Connecting rod bushing inner diameter*

Grade No. 0

22.000 - 22.006 (0.8661 - 0.8664)

—

Grade No. 1

22.006 - 22.012 (0.8664 - 0.8666)

—