Nissan Titan. Instruction — part 329

EM-120

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

Valve Lifter

Unit: mm (in)

Valve Clearance

Unit: mm (in)

*: Approximately 80

°C (176°F)

Available Valve Lifter

Unit: mm (in)

Items

Standard

Height (H) (without valve spring installed)

14.300 - 14.900 (0.5630 - 0.5870)

WBIA0490E

Items

Standard

Valve lifter diameter

33.977 - 33.987 (1.3377 - 1.3381)

Valve lifter hole diameter

34.000 - 34.016 (1.3386 - 1.3392)

Clearance between lifter and lifter guide

0.013 - 0.039 (0.0005 - 0.0015)

Items

Hot*

Cold

Intake

0.304 - 0.416 (0.012 - 0.016)

0.26 - 0.34 (0.010 - 0.013)

Exhaust

0.308 - 0.432 (0.012 - 0.017)

0.29 - 0.37 (0.011 - 0.015)

Identification (stamped) Mark*

Thickness

N788

7.88 (0.3102)

N790

7.90 (0.3110)

N792

7.92 (0.3118)

N794

7.94 (0.3126)

N796

7.96 (0.3134)

N798

7.98 (0.3142)

N800

8.00 (0.3150)

N802

8.02 (03.157)

N804

8.04 (0.3165)

SEM758G

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-121

< SERVICE DATA AND SPECIFICATIONS (SDS)

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

CYLINDER HEAD

Unit: mm (in)

Spark Plug Tube

Unit: mm (in)

N806

8.06 (0.3173)

N808

8.08 (0.3181)

N810

8.10 (0.3189)

N812

8.12 (0.3197)

N814

8.14 (0.3205)

N816

8.16 (0.3213)

N818

8.18 (0.3220)

N820

8.20 (0.3228)

N822

8.22 (0.3236)

N824

8.24 (0.3244)

N826

8.26 (0.3252)

N828

8.28 (0.3260)

N830

8.30 (0.3268)

N832 8.32

(0.3276)

N834

8.34 (0.3283)

N836

8.36 (0.3291)

Identification (stamped) Mark*

Thickness

Items

Standard

Limit

Head surface distortion

0.03 (0.0012)

0.1 (0.004)

Nominal cylinder head height “H”

126.3 (4.97)

KBIA2554E

Items

Standard

Press fit height "H"

38.400 - 39.400 (1.512 - 1.551)

KBIA1248E

EM-122

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Valve Dimensions

Unit: mm (in)

Valve Guide

Unit: mm (in)

Valve Seat

Standard model

FFV model

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

96.21- 96.71 (3.7878 - 3.8075)

Exhaust

93.74 - 94.24 (3.6905 - 3.7102)

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)

0.6 (0.024)

Exhaust

1.3 (0.051)

SEM188

Items

Standard

Oversize [0.2 (0.008)] (service)

Valve guide

Outside diameter

10.023 - 10.034 (0.3946 - 0.3950)

10.223 - 10.234 (0.4025 - 0.4029)

Inside 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

Stem to 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 (0.0035)

Projection length “L”

Intake

12.6 - 12.8 (0.496 - 0.504)

Exhaust

12.5 - 12.9 (0.492 - 0.508)

KBIA2555E

SERVICE DATA AND SPECIFICATIONS (SDS)

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< SERVICE DATA AND SPECIFICATIONS (SDS)

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Unit: mm (in)

Valve Spring

CYLINDER BLOCK

Unit: mm (in)

Items

Standard

Oversize [0.5 (0.020)] (Service)

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 interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.064 - 0.096 (0.0025 - 0.0038)

Valve seat 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)

KBIA2541E

Free height mm (in)

50.58 (1.9913)

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

Installation

165.8 - 187.0 (16.9 - 19.1, 37 - 42) at 37.0 (1.457)

Valve open

314.8 - 355.0 (32.1 - 36.2, 71 - 80) at 28.2 (1.110)

Out-of-square mm (in)

Less than 2.2 (0.087)

Surface flatness

Standard

0.03 (0.0012)

LImit

0.1 (0.004)

Main bearing housing inside diameter

Standard

68.944 - 68.968 (2.7143 - 2.7153)

Cylinder bore diameter

Standard

Grade No. 1

98.000 - 98.010 (3.8583 - 3.8587)

Grade No. 2

98.010 - 98.020 (3.8587 - 3.8590)

Grade No. 3

98.020 - 98.030 (3.8590 - 3.8594)

Wear limit

0.20 (0.0079)

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

Limit

0.015 (0.0006)

Taper (Difference between A and C)

0.010 (0.0004)

PBIC0123E