Nissan Frontier. Manual - part 730

SERVICE DATA AND SPECIFICATIONS (SDS)

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VALVE

Valve Timing

Valve Dimensions

Unit: mm (in)

Camshaft bearing surface length

25.660 - 25.685 (1.0102 - 1.0112)

Items

Limit

PBIC0283E

Valve timing

Unit: degree

a

b

c

d

e

f

236

224

-4

60

32

37

PBIC0187E

Valve head diameter “D”

Intake

35.5 - 35.8 (1.398 - 1.409)

Exhaust

30.5 - 30.8 (1.201 - 1.213)

Valve length “L”

Intake

 97.16 (3.8252)

Exhaust

98.82 (3.8905)

Valve stem diameter “d”

Intake

5.965 - 5.980 (0.2348 - 0.2354)

Exhaust

5.955 - 5.970 (0.2344 - 0.2350)

SEM188A

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SERVICE DATA AND SPECIFICATIONS (SDS)

Valve Clearance

Unit: mm (in)

*: Approximately 80

°C (176°F)

Available Valve Lifter

Valve seat angle “

α”

Intake

45

°15′ - 45°45′

Exhaust

Valve margin “T”

Intake

1.1 (0.043)

Exhaust

1.3 (0.051)

Items

Cold

Hot* (reference data)

Intake

0.24 - 0.32 (0.009 - 0.013)

0.304 - 0.416 (0.012 - 0.016)

Exhaust

0.26 - 0.34 (0.010 - 0.013)

0.308 - 0.432 (0.012 - 0.017)

Thickness mm (in)

Identification mark*

6.96 (0.2740)

696

6.98 (0.2748)

698

7.00 (0.2756)

700

7.02 (0.2764)

702

7.04 (0.2772)

704

7.06 (0.2780)

706

7.08 (0.2787)

708

7.10 (0.2795)

710

7.12 (0.2803)

712

7.14 (0.2811)

714

7.16 (0.2819)

716

7.18 (0.2827)

718

7.20 (0.2835)

720

7.22 (0.2843)

722

7.24 (0.2850)

724

7.26 (0.2858)

726

7.28 (0.2866)

728

7.30 (0.2874)

730

7.32 (0.2882)

732

7.34 (0.2890)

734

7.36 (0.2898)

736

7.38 (0.2906)

738

7.40 (0.2913)

740

KBIA0119E

SERVICE DATA AND SPECIFICATIONS (SDS)

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*: Always check with the Parts Department for the latest parts information.

Valve Spring

Valve Lifter

Unit: mm (in)

Valve Guide

Unit: mm (in)

Valve Seat

7.42 (0.2921)

742

7.44 (0.2929)

744

7.46 (0.2937)

746

Thickness mm (in)

Identification mark*

Items

Intake

Exhaust

Free height

43.72 - 43.92 mm (1.7213 - 1.7291 in)

45.29 - 45.49 mm (1.7831 - 1.7909 in)

Installation height

35.30 mm (1.390 in)

35.30 mm (1.390 in)

Installation load

151 - 175 N (15.4 - 17.8 kg, 34 - 39 lb)

151 - 175 N (15.4 - 17.8 kg, 34 - 39 lb)

Height during valve open

25.3 mm (0.996 in)

26.76 mm (1.0535 in)

Load with valve open

351 - 394 N (35.8 - 40.2 kg, 79 - 89 lb)

318 - 362 N (32.4 - 36.9 kg, 71 - 81 lb)

Identification color

Pink

Green

Squareness limit

1.8 mm (0.071 in)

1.9 mm (0.075 in)

Items

                                              Standard

Valve lifter outer diameter

33.965 - 33.980 (1.3372 - 1.3378)

Valve lifter hole diameter

34.000 - 34.021 (1.3386 - 1.3394)

Valve lifter clearance

0.020 - 0.056 (0.0008 - 0.0022)

Items

Standard part

Service part

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”

Intake

10.1 - 10.3 (0.398 - 0.406)

Exhaust

10.0 - 10.4 (0.394 - 0.409)

PBIC0184E

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SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

*

1

: Diameter made by intersection point of conic angles 

α1 and α2 

*

2

: Diameter made by intersection point of conic angles 

α2 and α3 

*

3

: Machining data

Valve Seal

Unit: mm (in)

Spark Plug Tube

Unit: mm (in)

CAMSHAFT AND CAMSHAFT BEARING

Items

Standard

Oversize [0.5 (0.02)] (Service)

Cylinder head seat recess diameter “D”

Intake

36.500 - 36.516 (1.4370 - 1.4376)

 37.000 - 37.016 (1.4567 - 1.4573)

Exhaust

31.500 - 31.516 (1.2402 - 1.2408)

32.000 - 32.016(1.2598 - 1.2605)

Valve seat outer diameter “d”

Intake

36.597 - 36.613 (1.4408 - 1.4415)

37.097 - 37.113 (1.4605 - 1.4611)

Exhaust

31.600 - 31.616 (1.2441 - 1.2447)

32.100 - 32.116 (1.2638 - 1.2644)

Valve seat interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.084 - 0.116 (0.0033 - 0.0046)

Diameter “d1”*

1

Intake

33.5 (1.319)

Exhaust

28.0 (1.102)

Diameter “d2”*

2

Intake

35.1 - 35.3 (1.382 - 1.390)

Exhaust

29.9 - 30.1 (1.177 - 1.185)

Angle “

α1”

Intake

60

°

Exhaust

60

°

Angle “

α2”

Intake

88

°45′ - 90°15′

Exhaust

88

°45′ - 90°15′

Angle “

α3”

Intake

120

°

Exhaust

120

°

Contacting width “W”*

3

Intake

1.05 - 1.35 (0.0413 - 0.0531)

Exhaust

1.25 - 1.55 (0.0492 - 0.0610)

Height “h”

Intake

5.9 - 6.0 (0.232 - 0.236)

5.0 - 5.1 (0.197 - 0.201)

Exhaust

5.9 - 6.0 (0.232 - 0.236)

4.91 - 5.01 (0.1933 - 0.1972)

Depth “H”

6.0 (0.236)

PBIC2745E

Items

Standard

Valve seal installed height

11.8 - 12.4 (0.465 - 0.488)

Items

Standard

Spark plug tube installed height

41.2 - 42.2 (1.622 - 1.661)