Infiniti FX35 / FX45. Manual — part 688

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-269

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

CYLINDER HEAD

Unit: mm (in)

Valve Dimensions

Unit: mm (in)

827U

8.27 (0.3256)

828U

8.28 (0.3260)

829U

8.29 (0.3264)

830U

8.30 (0.3268)

831U

8.31 (0.3272)

832U

8.32 (0.3276)

833U

8.33 (0.3280)

834U

8.34 (0.3283)

835U

8.35 (0.3287)

836U

8.36 (0.3291)

837U

8.37 (0.3295)

838U

8.38 (0.3299)

839U

8.39 (0.3303)

840U

8.40 (0.3307)

Identification (stamped) mark

Thickness

mm (in)

Items

Standard

Limit

Surface distortion

Less than 0.03 (0.0012)

0.1 (0.004)

PBIC0183E

Items

Standard

Valve head diameter “D”

Intake

36.0 - 36.3 (1.417 - 1.429)

Exhaust

31.2 - 31.5 (1.228 - 1.240)

Valve length “L”

Intake

96.57 (3.8020)

Exhaust

94.50 (3.7205)

Valve stem diameter “d”

Intake

5.972 - 5.980 (0.2351 - 0.2354)

Exhaust

5.962 - 5.970 (0.2347 - 0.2350)

Valve seat angle “

α

”

Intake

45

°

15

′

- 45

°

45

′

Exhaust

EM-270

< SERVICE INFORMATION >

[VK45DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

Valve Guide

Unit: mm (in)

Valve Seat

Valve margin “T”

Intake

1.15 - 1.45 (0.0453 - 0.0571)

Exhaust

1.85 - 2.15 (0.0728 - 0.0846)

Items

Standard

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 - 0.046 (0.0008 - 0.0018)

0.08 (0.0031)

Exhaust

0.030 - 0.056 (0.0012 - 0.0022)

0.1 (0.004)

Projection length “L”

Intake

10.1 - 10.3 (0.398 - 0.406)

—

Exhaust

10.0 - 10.4 (0.394 - 0.409)

—

PBIC0184E

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-271

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Unit: mm (in)

Valve Spring

CYLINDER BLOCK

Unit: mm (in)

Items

Standard

Service

Cylinder head seat recess diameter “D”

Intake

37.000 - 37.016 (1.4567 - 1.4573)

37.500 - 37.516 (1.4764 - 1.4770)

Exhaust

32.200 - 32.216 (1.2677 - 1.2683)

32.700 - 32.716 (1.2874 - 1.2880)

Valve seat interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.064 - 0.096 (0.0025 - 0.0038)

Valve seat outer diameter “d”

Intake

37.097 - 37.113 (1.4605 - 1.4611)

37.597 - 37.613 (1.4802 - 1.4808)

Exhaust

32.280 - 32.296 (1.2709 - 1.2715)

32.780 - 32.796 (1.2905 - 1.2912)

PBIC2379E

Free height

mm (in)

46.35 - 46.85 (1.8248 - 1.8445)

Pressure

N (kg, lb) at height mm (in)

Installation

165 - 189 (16.8 - 19.3, 37 - 42) at 33.8 (1.331)

Valve open

290 - 330 (29.6 - 33.7, 65 - 74) at 24.4 (0.961)

Out-of-square

mm (in)

Limit

2.0 (0.079)

Surface distortion

Standard

Less than 0.03 (0.0012)

Limit

0.1 (0.004)

Main bearing housing inner diameter

Standard

68.944 - 68.968 (2.7143 - 2.7153)

Cylinder bore inner diameter

Standard

Grade No. 1

93.000 - 93.010 (3.6614 - 3.6618)

Grade No. 2

93.010 - 93.020 (3.6618 - 3.6622)

Grade No. 3

93.020 - 93.030 (3.6622 - 3.6626)

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)

PBIC0123E

EM-272

< SERVICE INFORMATION >

[VK45DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

PISTON, PISTON RING AND PISTON PIN

Available Piston

Unit: mm (in)

Piston Ring

Unit: mm (in)

Main bearing housing inner diameter (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. 1
Grade No. 2

68.944 - 68.945 (2.7143 - 2.7144)
68.945 - 68.946 (2.7144 - 2.7144)
68.946 - 68.947 (2.7144 - 2.7144)
68.947 - 68.948 (2.7144 - 2.7145)
68.948 - 68.949 (2.7145 - 2.7145)
68.949 - 68.950 (2.7145 - 2.7146)
68.950 - 68.951 (2.7146 - 2.7146)
68.951 - 68.952 (2.7146 - 2.7146)
68.952 - 68.953 (2.7146 - 2.7147)
68.953 - 68.954 (2.7147 - 2.7147)
68.954 - 68.955 (2.7147 - 2.7148)
68.955 - 68.956 (2.7148 - 2.7148)
68.956 - 68.957 (2.7148 - 2.7148)
68.957 - 68.958 (2.7148 - 2.7149)
68.958 - 68.959 (2.7149 - 2.7149)
68.959 - 68.960 (2.7149 - 2.7150)
68.960 - 68.961 (2.7150 - 2.7150)
68.961 - 68.962 (2.7150 - 2.7150)
68.962 - 68.963 (2.7150 - 2.7151)
68.963 - 68.964 (2.7151 - 2.7151)
68.964 - 68.965 (2.7151 - 2.7152)
68.965 - 68.966 (2.7152 - 2.7152)
68.966 - 68.967 (2.7152 - 2.7152)
68.967 - 68.968 (2.7152 - 2.7153)

Difference in inner diameter between cylinders

Standard

Less than 0.03 (0.0012)

Items

Standard

Oversize (Service) [0.2 (0.008)]

Piston skirt diameter “A”

Grade No. 1

92.980 - 92.990 (3.6606 - 3.6610)

—

Grade No. 2

92.990 - 93.000 (3.6610 - 3.6614)

—

Grade No. 3

93.000 - 93.010 (3.6614 - 3.6618)

—

Service

—

93.180 - 93.210 (3.6685 - 3.6697)

“H” dimension

42 (1.65)

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

Standard

0.010 - 0.030 (0.0004 - 0.0012)

Limit

0.08 (0.0031)

PBIC0188E

Items

Standard

Limit