Nissan Pathfinder (2008 year). Manual — part 386
SERVICE DATA AND SPECIFICATIONS (SDS)
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Valve Dimensions
Unit: mm (in)
Valve Guide
Unit: mm (in)
Nominal cylinder head height “H”
126.3 (4.97)
Items
Standard
Limit
KBIA2554E
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)
Exhaust
1.3 (0.051)
SEM188
Items
Standard
Oversize [0.2 (0.008)] (service)
KBIA2555E
EM-252
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
Valve Seat
Unit: mm (in)
Valve Spring
CYLINDER BLOCK
Unit: mm (in)
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)
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)
PBIC0123E
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-253
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PISTON, PISTON RING AND PISTON PIN
Available Piston
Unit: mm (in)
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)
Main journal inside 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
68.944 - 68.945 (2.7143 - 2.7144)
68.945 - 68.946 (2.7144 - 2.7144)
68.946 - 68.947 (2.7144 - 2.7144)
68.947 - 68.948 (2.7144 - 2.7145)
68.948 - 68.949 (2.7145 - 2.7145)
68.949 - 68.950 (2.7145 - 2.7146)
68.950 - 68.951 (2.7146 - 2.7146)
68.951 - 68.952 (2.7146 - 2.7146)
68.952 - 68.953 (2.7146 - 2.7147)
68.953 - 68.954 (2.7147 - 2.7147)
68.954 - 68.955 (2.7147 - 2.7148)
68.955 - 68.956 (2.7148 - 2.7148)
68.956 - 68.957 (2.7148 - 2.7148)
68.957 - 68.958 (2.7148 - 2.7149)
68.958 - 68.959 (2.7149 - 2.7149)
68.959 - 68.960 (2.7149 - 2.7150)
68.960 - 68.961 (2.7150 - 2.7150)
68.961 - 68.962 (2.7150 - 2.7150)
68.962 - 68.963 (2.7150 - 2.7151)
68.963 - 68.964 (2.7151 - 2.7151)
68.964 - 68.965 (2.7151 - 2.7152)
68.965 - 68.966 (2.7152 - 2.7152)
68.966 - 68.967 (2.7152 - 2.7152)
68.967 - 68.968 (2.7152 - 2.7153)
Difference in bore diameter between cylinders
Standard
Less than 0.03 (0.0012)
Items
Standard
Limit
Piston skirt diameter “A”
Grade No. 1
97.980 - 97.990 (3.8575 - 3.8579)
—
Grade No. 2
97.990 - 98.000 (3.8579 - 3.8583)
—
Grade No. 3
98.000 - 98.010 (3.8583 - 3.8587)
—
Grade No. 0
(Service)
98.180 - 98.210 (3.8653 - 3.8665)
0.20 (0.0079)
PBIC0188E
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SERVICE DATA AND SPECIFICATIONS (SDS)
Piston Ring
Unit: mm (in)
Piston Pin
Unit: mm (in)
CONNECTING ROD
Unit: mm (in)
*: After installing in connecting rod
CRANKSHAFT
“H” dimension
39 (1.54)
—
Piston pin hole diameter
Grade No. 0
21.993 - 21.999 (0.8659 - 0.8661)
—
Piston to cylinder bore clearance
0.010 - 0.030 (0.0004 - 0.0012)
0.08 (0.0031)
Items
Standard
Limit
Side clearance
Top
0.035 - 0.085 (0.0014 - 0.0033)
0.11 (0.0043)
2nd
0.030 - 0.070 (0.0012 - 0.0028)
0.10 (0.0039)
Oil ring
0.015 - 0.050 (0.0006 - 0.0020)
—
End gap
Top
0.23 - 0.33 (0.0091 - 0.0130)
0.56 (0.0220)
2nd
0.25 - 0.40 (0.0098 - 0.0157)
0.52 (0.0205)
Oil ring
0.20 - 0.60 (0.0079 - 0.0236)
0.96 (0.0378)
Items
Standard
Piston pin diameter
Grade No. 0
21.989 - 21.995 (0.8657 - 0.8659)
Piston to piston pin clearance
0.002 - 0.006 (0.0001 - 0.0002)
Connecting rod bushing oil clearance
0.005 - 0.017 (0.0002 - 0.0007)
Items
Standard
Limit
Center distance
154.45 - 154.55 (6.08 - 6.08)
—
Bend [per 100 (3.94)]
—
0.15 (0.0059)
Torsion [per 100 (3.94)]
—
0.30 (0.0118)
Connecting rod bushing inside diameter*
(small end)
Grade No. 0
22.000 - 22.006 (0.8661 - 0.8664)
—
Connecting rod big end inside diameter (without bearing)
57.000 - 57.013 (2.2441 - 2.2446)
—
Side clearance
0.20 - 0.40 (0.0079 - 0.0157)
0.40 (0.0157)
Connecting rod bearing housing
Grade No. 0
Grade No. 1
Grade No. 2
Grade No. 3
Grade No. 4
Grade No. 5
Grade No. 6
Grade No. 7
Grade No. 8
Grade No. 9
Grade No. A
Grade No. B
Grade No. C
57.000 - 57.001 (2.2441 - 2.2441)
57.001 - 57.002 (2.2441 - 2.2442)
57.002 - 57.003 (2.2442 - 2.2442)
57.003 - 57.004 (2.2442 - 2.2443)
57.004 - 57.005 (2.2443 - 2.2443)
57.005 - 57.006 (2.2443 - 2.2443)
57.006 - 57.007 (2.2443 - 2.2444)
57.007 - 57.008 (2.2444 - 2.2444)
57.008 - 57.009 (2.2444 - 2.2444)
57.009 - 57.010 (2.2444 - 2.2445)
57.010 - 57.011 (2.2445 - 2.2445)
57.011 - 57.012 (2.2445 - 2.2446)
57.012 - 57.013 (2.2446 - 2.2446)
SERVICE DATA AND SPECIFICATIONS (SDS)
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Unit: mm (in)
Main journal dia. “Dm” grade (No. 1 and 5)
Standard
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. 1
Grade No. 2
Grade No. 3
Grade No. 4
Grade No. 5
Grade No. 6
Grade No. 7
Grade No. 9
63.963 - 63.964 (2.5182 - 2.5183)
63.962 - 63.963 (2.5182 - 2.5182)
63.961 - 63.962 (2.5181 - 2.5182)
63.960 - 63.961 (2.5181 - 2.5181)
63.959 - 63.960 (2.5181 - 2.5181)
63.958 - 63.959 (2.5180 - 2.5181)
63.957 - 63.958 (2.5180 - 2.5180)
63.956 - 63.957 (2.5179 - 2.5180)
63.955 - 63.956 (2.5179 - 2.5179)
63.954 - 63.955 (2.5179 - 2.5179)
63.953 - 63.954 (2.5178 - 2.5179)
63.952 - 63.953 (2.5178 - 2.5178)
63.951 - 63.952 (2.5178 - 2.5178)
63.950 - 63.951 (2.5177 - 2.5178)
63.949 - 63.950 (2.5177 - 2.5177)
63.948 - 63.949 (2.5176 - 2.5177)
63.947 - 63.948 (2.5176 - 2.5176)
63.946 - 63.947 (2.5176 - 2.5176)
63.945 - 63.946 (2.5175 - 2.5176)
63.944 - 63.945 (2.5175 - 2.5175)
63.943 - 63.944 (2.5174 - 2.5175)
63.942 - 63.943 (2.5174 - 2.5174)
63.941 - 63.942 (2.5174 - 2.5174)
63.940 - 63.941 (2.5173 - 2.5174)
Main journal dia. “Dm” grade (No. 2, 3 and 4)
Standard
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. 1
Grade No. 2
63.963 - 63.964 (2.5182 - 2.5183)
63.962 - 63.963 (2.5182 - 2.5182)
63.961 - 63.962 (2.5181 - 2.5182)
63.960 - 63.961 (2.5181 - 2.5181)
63.959 - 63.960 (2.5181 - 2.5181)
63.958 - 63.959 (2.5180 - 2.5181)
63.957 - 63.958 (2.5180 - 2.5180)
63.956 - 63.957 (2.5179 - 2.5180)
63.955 - 63.956 (2.5179 - 2.5179)
63.954 - 63.955 (2.5179 - 2.5179)
63.953 - 63.954 (2.5178 - 2.5179)
63.952 - 63.953 (2.5178 - 2.5178)
63.951 - 63.952 (2.5178 - 2.5178)
63.950 - 63.951 (2.5177 - 2.5178)
63.949 - 63.950 (2.5177 - 2.5177)
63.948 - 63.949 (2.5176 - 2.5177)
63.947 - 63.948 (2.5176 - 2.5176)
63.946 - 63.947 (2.5176 - 2.5176)
63.945 - 63.946 (2.5175 - 2.5176)
63.944 - 63.945 (2.5175 - 2.5175)
63.943 - 63.944 (2.5174 - 2.5175)
63.942 - 63.943 (2.5174 - 2.5174)
63.941 - 63.942 (2.5174 - 2.5174)
63.940 - 63.941 (2.5173 - 2.5174)
SEM645
PBIC1686E
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SERVICE DATA AND SPECIFICATIONS (SDS)
*: Total indicator reading
MAIN BEARING
Unit: mm (in)
Pin journal dia. “Dp”
Standard
Grade No. 0
53.968 - 53.974 (2.1247 - 2.1250)
Grade No. 1
53.962 - 53.968 (2.1245 - 2.1247)
Grade No. 2
53.956 - 53.962 (2.1243 - 2.1245)
Center distance “r”
45.96 - 46.04 (1.8094 - 1.8126)
Out-of-round (Difference between
″
X
″
and
″
Y
″
)
Limit
0.002 (0.0001)
Taper (Difference between
″
A
″
and
″
B
″
)
0.002 (0.0001)
Runout [TIR*]
Less than 0.05 (0.002)
Crankshaft end play
Standard
0.10 - 0.26 (0.0039 - 0.0102)
Limit
0.30 (0.0118)
Grade number
UPR/LWR
Thickness
Identification color
Remarks
0
—
2.483 - 2.486 (0.0978 - 0.0979)
Black
Grade is the same for upper
and lower bearings
1
—
2.486 - 2.489 (0.0979 - 0.0980)
Brown
2
—
2.489 - 2.492 (0.0980 - 0.0981)
Green
3
—
2.492 - 2.495 (0.0981 - 0.0982)
Yellow
4
—
2.495 - 2.498 (0.0982 - 0.0983)
Blue
5
—
2.498 - 2.501 (0.0983 - 0.0985)
Pink
6
—
2.501 - 2.504 (0.0985 - 0.0986)
Purple
7
—
2.504 - 2.507 (0.0986 - 0.0987)
White
8
—
2.507 - 2.510 (0.0987 - 0.0988)
Red
PBIC0189E
SERVICE DATA AND SPECIFICATIONS (SDS)
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Undersize
Unit: mm (in)
Main Bearing Oil Clearance
Unit: mm (in)
Connecting Rod Bearing
Undersize
Unit: mm (in)
Connecting Rod Bearing Oil Clearance
Unit: mm (in)
01
UPR
2.483 - 2.486 (0.0978 - 0.0979)
Black
Grade is different for upper and
lower bearings.
LWR
2.486 - 2.489 (0.0979 - 0.0980)
Brown
12
UPR
2.486 - 2.489 (0.0979 - 0.0980)
Brown
LWR
2.489 - 2.492 (0.0980 - 0.0981)
Green
23
UPR
2.489 - 2.492 (0.0980 - 0.0981)
Green
LWR
2.492 - 2.495 (0.0981 - 0.0982)
Yellow
34
UPR
2.492 - 2.495 (0.0981 - 0.0982)
Yellow
LWR
2.495 - 2.498 (0.0982 - 0.0983)
Blue
45
UPR
2.495 - 2.498 (0.0982 - 0.0983)
Blue
LWR
2.498 - 2.501 (0.0983 - 0.0985)
Pink
56
UPR
2.498 - 2.501 (0.0983 - 0.0985)
Pink
LWR
2.501 - 2.504 (0.0985 - 0.0986)
Purple
67
UPR
2.501 - 2.504 (0.0985 - 0.0986)
Purple
LWR
2.504 - 2.507 (0.0986 - 0.0987)
White
78
UPR
2.504 - 2.507 (0.0986 - 0.0987)
White
LWR
2.507 - 2.510 (0.0987 - 0.0988)
Red
Undersize
Thickness
Main journal diameter
0.25 (0.0098)
2.618 - 2.626 (0.1031 - 0.1034)
Grind so that bearing clearance is the specified value.
Items
Standard
Limit
Main bearing oil clearance
No.1 and 5
0.001 - 0.011 (0.00004 - 0.0004)
0.021 (0.0008)
No.2, 3 and 4
0.007 - 0.017 (0.0003 - 0.0007)
0.027 (0.0011)
Grade number
Thickness “T”
mm (in)
Identification color (mark)
0
1.500 - 1.503 (0.0591 - 0.0592)
Black
1
1.503 - 1.506 (0.0592 - 0.0593)
Brown
2
1.506 - 1.509 (0.0593 - 0.0594)
Green
3
1.509 - 1.512 (0.0594 - 0.0595)
Yellow
Undersize
Thickness
Crank pin journal diameter “Dp”
0.25 (0.0098)
1.627 - 1.635 (0.0641 - 0.0644)
Grind so that bearing clearance is the specified value.
Items
Standard
Limit
Connecting rod bearing oil clearance
0.020 - 0.039 (0.0008 - 0.0015)
0.055 (0.0022)
EX-1
ENGINE
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SECTION
EX
A
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CONTENTS
EXHAUST SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . .
ON-VEHICLE MAINTENANCE . . . . . .
EXHAUST SYSTEM . . . . . . . . . . ...
Checking Exhaust System . . . . . . . . . ....
ON-VEHICLE REPAIR . . . . . . . . ..
EXHAUST SYSTEM . . . . . . . . . . ...
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