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Infiniti G35 (V35). Manual - part 504

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-171

CYLINDER HEAD

Unit: mm (in)

Valve Dimensions

Unit: mm (in)

Items

Standard

Limit

Head surface distortion

Less than 0.03 (0.0012)

0.1 (0.004)

Normal cylinder head height “H”

126.3 - 126.5 (4.972 - 4.980)

PBIC0924E

Valve head diameter “D”

Intake

37.0 - 37.3 (1.4567 - 1.4685)

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 “

”

Intake

′

- 45

′

Exhaust

Valve margin “T”

Intake

1.1 (0.043)

Exhaust

1.3 (0.051)

Valve margin “T” limit

More than 0.5 (0.020)

Valve stem end surface grinding limit

Less than 0.2 (0.008)

SEM188

EM-172

SERVICE DATA AND SPECIFICATIONS (SDS)

Valve Guide

Unit: mm (in)

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 (0.003)

Exhaust

0.030 - 0.063 (0.0012 - 0.0025)

0.09 (0.004)

Projection length “L”

12.6 - 12.8 (0.496 - 0.504)

SEM950E

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-173

Valve Seat

Unit: mm (in)

Valve Spring

Items

Standard

Oversize (Service) [0.5 (0.020)]

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)

Items

Standard

Service

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”

5.9 - 6.1 (0.232 - 0.240)

Depth “L”

Intake

41.07 - 41.67 (1.6169 - 1.6405)

Exhaust

41.00 - 41.60 (1.6142 - 1.6378)

PBIC4181E

SEM621F

Items

M/T models

A/T models

Free height

45.43 mm (1.7886 in)

47.07 mm (1.8531 in)

Installation height

37.00 mm (1.4567 in)

Installation load

166 - 188 N (16.9 - 19.2 kg, 37 - 42 lb)

Height during valve open

26.8 mm (1.0551 in)

27.2 mm (1.0709 in)

Load with valve open

434 - 490 N (44.3 - 50.0 kg, 97.6 - 110.2 lb)

373 - 421 N (38.0 - 42.9 kg, 84 - 95 lb)

squareness

2.0 mm (0.079 in)

2.1 mm (0.083 in)

EM-174

SERVICE DATA AND SPECIFICATIONS (SDS)

CYLINDER BLOCK

Unit: mm (in)

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 bearing housing 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

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