NISSAN NAVARA 2005 Repair Workshop Manual

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-139
C
D
E
F
G
H
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EM
Valve Seat
Unit: mm (in)
Items Standard Oversize [0.5 (0.02)] (Service)
Cylinder head seat (1) recess diam-
eter “D”Intake 30.000 - 30.016 (1.1811 - 1.1817) 30.500 - 30.516 (1.2008 - 1.2014)
Exhaust 29.000 - 29.016 (1.1417 - 1.1424) 29.500 - 29.516 (1.1614 - 1.1620)
Valve seat outer diameter “d”Intake (A) 30.080 - 30.100 (1.1842 - 1.1850) 30.580 - 30.600 (1.2039 - 1.2047)
Exhaust (B) 29.080 - 29.096 (1.1449 - 1.1455) 29.580 - 29.596 (1.1646 - 1.1652)
Valve seat interference fitIntake (A) 0.064 - 0.100 (0.0025 - 0.0039)
Exhaust (B) 0.064 - 0.096 (0.0025 - 0.0038)
Diameter “d1”Intake (A) 27.15 - 27.65 (1.0689 - 1.0886) 26.05 - 26.55 (1.0256 - 1.0453)
Exhaust (B) 24.95 - 25.45 (0.982 - 1.0020) 24.15 - 24.65 (0.9508 - 0.9705)
PBIC4054E
JEM253G

EM-140
SERVICE DATA AND SPECIFICATIONS (SDS)
CAMSHAFT
Unit: mm (in)
*: Total indicator readingDiameter “d2”Intake (A) 26.00 - 26.50 (1.0236 - 1.0433) —
Exhaust (B) —
Diameter “d3”Intake (A) 25.3 - 25.7(0.996 - 1.012)
Exhaust (B) 23.3 - 23.7 (0.917 - 0.933)
Angle “a”43°30¢-46°30¢
Height “h1”Intake (A) 7.0 - 7.1 (0.276 - 0.280) 6.6 - 6.7 (0.260 - 0.264)
Exhaust (B) 6.7 - 6.8 (0.264 - 0.268) 6.3 - 6.4 (0.248 - 0.252)
Height “h2”Intake (A) 2.23 - 2.43 (0.0878 - 0.0957) 2.13 - 2.53 (0.0839 - 0.0996)
Exhaust (B) 2.76 - 2.96 (0.1087 - 0.1165) 2.66 - 3.06 (0.1047 - 0.1205)
Depth “H”Intake 8.83 - 9.13 (0.3476 - 0.3594)
Exhaust 9.06 - 9.36 (0.3567 - 0.3685)
Projection (L)Intake 36.53 - 36.98 (1.4382 - 1.4559)
Exhaust 36.53 - 37.01 (1.4382 - 1.4571)
Item Standard Limit
Camshaft journal oil clearance 0.045 - 0.086 (0.0018 - 0.0034)
— Camshaft bracket inner diameterNo.1 30.500 - 30.521 (1.2008 - 1.2016)
No. 2, 3, 4, 5 24.000 - 24.021 (0.9449 - 0.9457)
Camshaft journal outer diameterNo. 1 30.435 - 30.455 (1.1982 - 1.1990)
No. 2, 3, 4, 5 23.935 - 23.955 (0.9423 - 0.9431)
Camshaft runout [TIR*] — 0.02 (0.0008)
Camshaft sprocket runout [TIR*] — 0.15 (0.0059)
Camshaft end play 0.070 - 0.148 (0.0028 - 0.0058) 0.24 (0.0094)
Cam height “A”Intake 39.505 - 39.695 (1.5553 - 1.5628)
Exhaust 39.905 - 40.095 (1.5711 - 1.5785)
SEM671

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-141
C
D
E
F
G
H
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MA
EM
CYLINDER BLOCK
Unit: mm (in)
PISTON, PISTON RING AND PISTON PIN
Available Piston
Unit: mm (in) Top surface distortionStandard Less than 0.03 (0.0012)
Limit 0.1 (0.004)
Cylinder bore Inner diameterStandardGrade No. 1 89.000 - 89.010 (3.5039 - 3.5043)
Grade No. 2 89.010 - 89.020 (3.5043 - 3.5047)
Grade No. 3 89.020 - 89.030 (3.5047 - 3.5051)
Wear limit 0.07 (0.0028)
Out-of-round (Difference between X and Y)
Limit0.015 (0.0006)
Taper (Difference between A and C) 0.010 (0.0004)
Main bearing housing inner diameter (Without bearing) 66.654 - 66.681 (2.6242 - 2.6252)
Difference in inner diameter
between cylindersLimit Less than 0.05 (0.0020)
SEM899G
Piston outer diameter “A”S
t
a
n
d
a
r
dGrade No. 1 88.928 - 88.942 (3.5011 - 3.5016)
Grade No. 2 88.938 - 88.952 (3.5015 - 3.5020)
Grade No. 3 88.948 - 88.962 (3.5019 - 3.5024)
0.25 (0.0098) O/S (Service) 89.188 - 89.202 (3.5113 - 3.5119)
0.50 (0.0197) O/S (Service) 89.438 - 89.452 (3.5212 - 3.5217)
“a” dimension11.0 (0.43)
MBIA0026E

EM-142
SERVICE DATA AND SPECIFICATIONS (SDS)
Piston pin bore diameter 28.003 - 28.009 (1.1025 - 1.1027)
Piston to cylinder bore clearance 0.058 - 0.082 (0.0023 - 0.0032)

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-143
C
D
E
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EM
Piston Ring
Unit: mm (in)
Piston Pin
Unit: mm (in) Item Standard Limit
Side clearanceTop 0.050 - 0.090 (0.0020 - 0.0035) 0.2 (0.008)
2nd 0.050 - 0.090 (0.0020 - 0.0035) 0.1 (0.004)
Oil ring 0.030 - 0.070 (0.0012 - 0.0028) —
End gapTop 0.21 - 0.28 (0.0083 - 0.0110)
1.0 (0.039) 2nd 0.32 - 0.47 (0.0126 - 0.0185)
Oil ring 0.30 - 0.55 (0.0118 - 0.0217)
Piston pin outer diameter 27.995 - 28.000 (1.1022 - 1.1024)
Piston to piston pin clearance 0.003 - 0.014 (0.0001 - 0.0006)
Connecting rod bushing clearanceStandard 0.026 - 0.043 (0.0010 - 0.0017)
Limit 0.057 (0.0022)

EM-144
SERVICE DATA AND SPECIFICATIONS (SDS)
CONNECTING ROD
Unit: mm (in)
*: After installing in connecting rod
CRANKSHAFT
Unit: mm (in)
*: Total indicator readingCenter distance154.5 (6.083)
Bend [per 100 (3.94)] Limit 0.12 (0.0047)
Torsion [per 100 (3.94)] Limit 0.12 (0.0047)
Connecting rod bushing inner diameter* 28.026 - 28.038 (1.1034 - 1.1039)
Connecting rod big end inner diameter* 55.000 - 55.013 (2.1654 - 2.1659)
Side clearanceStandard 0.20 - 0.35 (0.0079 - 0.0138)
Limit 0.40 (0.0157)
Main journal dia. “Dm” 62.951 - 62.975 (2.4784 - 2.4793)
Pin journal dia. “Dp” 51.954 - 51.974 (2.0454 - 2.0462)
Center distance “r” 49.97 - 50.03 (1.9673 - 1.9697)
Out-of-round (Difference between X
and Y)Standard 0.003 (0.0001)
Limit 0.005 (0.0002)
Taper (Difference between A and B)Standard 0.003 (0.0001)
Limit 0.005 (0.0002)
Runout [TIR*]Standard 0.05 (0.0020)
Limit 0.10 (0.0039)
End playStandard 0.10 - 0.25 (0.0039 - 0.0098)
Limit 0.30 (0.0118)
SEM645SBIA0535E

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-145
C
D
E
F
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EM
AVAILABLE MAIN BEARING
Main bearing
Unit: mm (in)
Undersize
Unit: mm (in)
AVAILABLE CONNECTING ROD BEARING
Connecting Rod Bearing
Unit: mm (in)
Undersize
Unit: mm (in)
MISCELLANEOUS COMPONENTS
Flywheel
Unit: mm (in)
*: Total indicator readingGrade number Thickness “T” Width “W” Identification color
STD 0 1.816 - 1.820 (0.0715 - 0.0717)
19.9 - 20.1 (0.783 - 0.791)Black
STD 1 1.820 - 1.824 (0.0717 - 0.0718) Brown
STD 2 1.824 - 1.828 (0.0718 - 0.0720) Green
STD 3 1.828 - 1.832 (0.0720 - 0.0721) Yellow
STD 4 1.832 - 1.836 (0.0721 - 0.0723) Blue
SEM255G
Size Thickness Main journal diameter “Dm”
0.25 (0.0098) 1.949 - 1.953 (0.0767 - 0.0769)Grind so that bearing clearance is the
specified value.
Grade number Thickness “T” Width “W” Identification color (mark)
STD 0 1.492 - 1.496 (0.0587 - 0.0589)
22.9 - 23.1
(0.902 - 0.909)Black
STD 1 1.496 - 1.500 (0.0589 - 0.0591) Brown
STD 2 1.500 - 1.504 (0.0591 - 0.0592) Green
Size Thickness Crank pin journal diameter “Dp”
0.08 (0.0031) 1.536 - 1.540 (0.0605 - 0.0606)
Grind so that bearing clearance is the
specified value. 0.12 (0.0047) 1.556 - 1.560 (0.0613 - 0.0614)
0.25 (0.0098) 1.621 - 1.625 (0.0638 - 0.0640)
Flywheel deflection [TIR]* Standard 0.45 (0.0177) or less

EM-146
SERVICE DATA AND SPECIFICATIONS (SDS)
Bearing Clearance
Unit: mm (in)
Main bearing oil clearance Standard 0.047 - 0.077 (0.0019 - 0.0030)
Connecting rod bearing oil
clearanceStandard 0.039 - 0.070 (0.0015 - 0.0028)

EX-1
EXHAUST SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTIONEX
A
EX
EXHAUST SYSTEM
EXHAUST SYSTEM ................................................... 2
Checking Exhaust System ....................................... 2Components ............................................................. 2
Removal and Installation .......................................... 3
REMOVAL ............................................................. 3
INSTALLATION ..................................................... 3
INSPECTION AFTER INSTALLATION .................. 3

EX-2
EXHAUST SYSTEM
EXHAUST SYSTEM
PFP:20100
Checking Exhaust SystemEBS01E7A
Check exhaust pipes, muffler and mounting for improper attachment,
leaks, cracks, damage or deterioration.
lIf anything is found, repair or replace damaged parts.
ComponentsEBS01F6P
lRefer toGI-10, "Components"for symbol marks in the figure.
SMA211A
1. Mounting rubber 2. Mounting rubber 3. Main muffler
4. Gasket 5. Ground cable 6. Band
7. Washer 8. Tail tube 9. Catalyst
10. Ring gasket 11. Exhaust front tube
A. Do not loosen these nuts. B. To exhaust outlet
PBIC4097E