Infiniti FX35, FX50 (S51). Manual - part 961

 

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Infiniti FX35, FX50 (S51). Manual - part 961

 

 

EM-144

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[VQ35HR]

SERVICE DATA AND SPECIFICATIONS (SDS)

*

1

: Cam wear limit

*

2

: Total indicator reading

VALVE LIFTER

Unit: mm (in)

VALVE CLEARANCE

Unit: mm (in)

*: Approximately 80

°

C (176

°

F)

AVAILABLE VALVE LIFTER

Unit: mm (in)

Items

Standard

Valve lifter outer diameter

33.980 - 33.990 (1.3378 - 1.3382)

Valve lifter hole diameter

34.000 - 34.016 (1.3386 - 1.3392)

Valve lifter clearance

0.010 - 0.036 (0.0004 - 0.0014)

Items

Cold

Hot* (reference data)

Intake

0.26 - 0.34 (0.010 - 0.013)

0.304 - 0.416 (0.012 - 0.016)

Exhaust

0.29 - 0.37 (0.011 - 0.015)

0.308 - 0.432 (0.012 - 0.017)

Identification (stamped) mark

Thickness

788

7.88 (0.3102)

790

7.90 (0.3110)

792

7.92 (0.3118)

794

7.94 (0.3126)

796

7.96 (0.3134)

798

7.98 (0.3142)

800

8.00 (0.3150)

802

8.02 (0.3157)

804

8.04 (0.3165)

806

8.06 (0.3173)

808

8.08 (0.3181)

810

8.10 (0.3189)

812

8.12 (0.3197)

814

8.14 (0.3205)

816

8.16 (0.3213)

818

8.18 (0.3220)

820

8.20 (0.3228)

822

8.22 (0.3236)

824

8.24 (0.3244)

826

8.26 (0.3252)

828

8.28 (0.3260)

830

8.30 (0.3268)

832

8.32 (0.3276)

834

8.34 (0.3283)

836

8.36 (0.3291)

838

8.38 (0.3299)

SERVICE DATA AND SPECIFICATIONS (SDS)

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Cylinder Head

INFOID:0000000005245189

CYLINDER HEAD

Unit: mm (in)

VALVE DIMENSIONS

Unit: mm (in)

840

8.40 (0.3307)

Identification (stamped) mark

Thickness

SEM758G

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 (4.97 - 4.98)

PBIC0924E

Valve head diameter “D”

Intake

36.6 - 36.9 (1.441 - 1.453)

Exhaust

30.2 - 30.5 (1.189 - 1.201)

Valve length “L”

Intake

97.13 (3.8240)

Exhaust

94.67 (3.7272)

Valve stem diameter “d”

Intake

5.965 - 5.980 (0.2348 - 0.2354)

Exhaust

5.962 - 5.970 (0.2347 - 0.2350)

SEM188

EM-146

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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SERVICE DATA AND SPECIFICATIONS (SDS)

VALVE GUIDE

Unit: mm (in)

VALVE SEAT

Unit: mm (in)

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)

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 - 0.056 (0.0012 - 0.0022)

0.09 (0.0035)

Projection length “L”

12.6 - 12.8 (0.496 - 0.504)

SEM950E

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

31.600 - 31.616 (1.2441 - 1.2447)

32.100 - 32.116 (1.2638 - 1.2644)

Valve seat outer diameter “d”

Intake

38.097 - 38.113 (1.4999 - 1.5005)

38.597 - 38.613 (1.5196 - 1.5202)

Exhaust

31.680 - 31.696 (1.2472 - 1.2479)

32.180 - 32.196 (1.2669 - 1.2676)

Valve seat interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.064 - 0.096 (0.0025 - 0.0038)

PBIC2745E

SERVICE DATA AND SPECIFICATIONS (SDS)

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*

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

INFOID:0000000005245190

CYLINDER BLOCK

Unit: mm (in)

Diameter “d1”*

1

Intake

34.6 (1.362)

Exhaust

27.7 (1.091)

Diameter “d2”*

2

Intake

35.9 - 36.4 (1.413 - 1.433)

Exhaust

29.3 - 29.8 (1.154 - 1.173)

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

1.0 - 1.4 (0.039 - 0.055)

Exhaust

1.2 - 1.6 (0.047 - 0.063)

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)

Items

Standard

Free height

43.85 mm (1.7264 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 (1.055 in)

Load with valve open

502 - 566 N (51.2 - 57.7 kg, 113 - 127 lb)

Squareness

1.9 mm (0.075 in)

Surface flatness

Standard

Less than 0.03 (0.0012)

Limit

0.1 (0.004)

Main bearing housing inner diameter

Standard

69.993 - 70.017 (2.7556 - 2.7566)

JPBIA1050GB

 

 

 

 

 

 

 

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