Nissan Pathfinder (2010 year). Manual — part 375
EM-128
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VQ40DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Standard and Limit
INFOID:0000000005260480
GENERAL SPECIFICATIONS
DRIVE BELT
INTAKE MANIFOLD COLLECTOR, INTAKE MANIFOLD AND EXHAUST MANIFOLD
Cylinder arrangement
V-6
Displacement cm
3
(cu in)
3,954 (241.30)
Bore and stroke mm (in)
95.5
×
92.0 (3.76
×
3.622)
Valve arrangement
DOHC
Firing order
1-2-3-4-5-6
Number of piston rings
Compression
2
Oil
1
Number of main bearings
4
Compression ratio
9.7
Compression pressure
kPa (kg/cm
2
, psi)/300 rpm
Standard
1,275 (13.0, 185)
Minimum
981 (10.0, 142)
Differential limit between cylinders
98 (1.0, 14)
Cylinder number
Valve timing
(Intake valve timing control - “OFF”)
Unit: degree
a
b
c
d
e
f
244
240
−
4
64
6
58
SEM713A
PBIC0187E
Tension of drive belts
Auto adjustment by auto tensioner
2010 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-129
< SERVICE DATA AND SPECIFICATIONS (SDS)
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C
D
E
F
G
H
I
J
K
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A
EM
N
P
O
Unit: mm (in)
SPARK PLUG
*: Always check with the Parts Department for the latest parts information
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*
1
: Total indicator reading
Valve Seal
Unit: mm (in)
Valve Lifter
Items
Limit
Surface distortion
Intake manifold collector
0.1 (0.004)
Intake manifold
0.1 (0.004)
Exhaust manifold
0.3 (0.012)
Application
United States and Canada
Mexico
Make
NGK
Standard type*
DILFR5A-11
PLFR5A-11
Gap (nominal)
1.1 mm (0.043 in)
Items
Standard
Limit
Camshaft journal oil clearance
No. 1
0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
No. 2, 3, 4
0.035 - 0.076 (0.0014 - 0.0030)
Camshaft journal length
No. 1
27.500 - 27.548 (1.0827 - 1.0846)
—
Camshaft bracket inner diameter
No. 1
26.000 - 26.021 (1.0236 - 1.0244)
—
No. 2, 3, 4
23.500 - 23.521 (0.9252 - 0.9260)
—
Camshaft journal diameter
No. 1
25.935 - 25.955 (1.0211 - 1.0218)
—
No. 2, 3, 4
23.445 - 23.465 (0.9230 - 0.9238)
—
Camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
0.24 (0.0094)
Camshaft cam height (A)
Intake
45.465 - 45.655 (1.7900 - 1.7974)
45.265 (1.7821)
Exhaust
45.075 - 45.265 (1.7746 - 1.7821)
44.875 (1.7667)
Camshaft runout [TIR*
1
]
Less than 0.02 (0.0008)
0.05 (0.0020)
Camshaft sprocket runout [TIR*
2
]
—
0.15 (0.0059)
SEM671
Items
Standard
Valve seal installed height (H)
14.3 - 14.9 (0.563 - 0.587)
2010 Pathfinder
EM-130
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 80
°
C (176
°
F)
Available Valve Lifter
VQ40DE
Unit: mm (in)
Items
Standard
Valve lifter outer diameter
33.977 - 33.987 (1.3377 - 1.3381)
Valve lifter hole diameter
34.000 - 34.016 (1.3386 - 1.3392)
Valve lifter clearance
0.013 - 0.039 (0.0005 - 0.0015)
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
Intake
Exhaust
788U
N788
7.88 (0.3102)
790U
N790
7.90 (0.3110)
792U
N792
7.92 (0.3118)
794U
N794
7.94 (0.3126)
796U
N796
7.96 (0.3134)
798U
N798
7.98 (0.3142)
800U
N800
8.00 (0.3150)
802U
N802
8.02 (0.3157)
804U
N804
8.04 (0.3165)
806U
N806
8.06 (0.3173)
808U
N808
8.08 (0.3181)
810U
N810
8.10 (0.3189)
812U
N812
8.12 (0.3197)
814U
N814
8.14 (0.3205)
816U
N816
8.16 (0.3213)
818U
N818
8.18 (0.3220)
820U
N820
8.20 (0.3228)
822U
N822
8.22 (0.3236)
824U
N824
8.24 (0.3244)
826U
N826
8.26 (0.3252)
828U
N828
8.28 (0.3260)
830U
N830
8.30 (0.3268)
832U N832
8.32
(0.3276)
834U
N834
8.34 (0.3283)
836U
N836
8.36 (0.3291)
838U
—
8.38 (0.3299)
2010 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-131
< SERVICE DATA AND SPECIFICATIONS (SDS)
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D
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*: Always check with the Parts Department for the latest parts information
CYLINDER HEAD
Unit: mm (in)
Valve Dimensions
Unit: mm (in)
840U
—
8.40 (0.3307)
Identification (stamped) mark*
Thickness
Intake
Exhaust
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 (4.972 - 4.980)
—
Cylinder head No. 1 camshaft journal bear-
ing length
27.360 - 27.385 (1.0772 - 1.0781)
—
PBIC0924E
Valve head diameter “D”
Intake
37.0 - 37.3 (1.4567 - 1.4685)
Exhaust
31.2 - 31.5 (1.228 - 1.240)
Valve length “L”
Intake
96.46 (3.7976)
Exhaust
93.99 (3.7004)
SEM188
2010 Pathfinder
EM-132
< 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 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)
Items
Standard
0.2 (0.008) oversize (Service)
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”
12.6 - 12.8 (0.496 - 0.504)
SEM950E
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 outer 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)
Valve seat interference fit
Intake
0.081 - 0.113 (0.0032 - 0.0044)
Exhaust
0.064 - 0.096 (0.0025 - 0.0038)
PBIC2745E
2010 Pathfinder
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
Spark Plug Tube
Unit: mm (in)
CYLINDER BLOCK
Unit: mm (in)
Diameter “d1”*
1
Intake
35 (1.38)
Exhaust
28.7 (1.130)
Diameter “d2”*
2
Intake
36.3 - 36.8 (1.429 - 1.449)
Exhaust
30.3 - 30.8 (1.193 - 1.213)
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)
Free height mm (in)
47.07 (1.8531)
Pressure N (kg, lb) at height mm (in)
Installation
166 - 188 (16.9 - 19.2, 37 - 42) at 37.00 (1.4567)
Valve open
373 - 421 (38.0 - 42.9, 84 - 95) at 27.20 (1.0709)
Squareness mm (in)
Limit
2.1 (0.083)
Items
Standard
Spark plug tube press-fit height (H)
38.1 - 39.1 (1.500 - 1.539)
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.1 (0.004)
Main bearing housing inner diameter
Standard
74.993 - 75.017 (2.9525 - 2.9534)
Cylinder bore
Inner diameter
Standard
Grade No. 1
95.500 - 95.510 (3.7598 - 3.7602)
Grade No. 2
95.510 - 95.520 (3.7602 - 3.7606)
Grade No. 3
95.520 - 95.530 (3.7606 - 3.7610)
PBIC2955E
2010 Pathfinder
EM-134
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
PISTON, PISTON RING AND PISTON PIN
Available Piston
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information
Piston Ring
Out-of-round (Difference between “X” and “Y”)
Limit
0.015 (0.0006)
Taper (Difference between “A” and “C”)
0.01 (0.0004)
Main bearing housing inner diameter (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
74.993 - 74.994 (2.9525 - 2.9525)
74.994 - 74.995 (2.9525 - 2.9526)
74.995 - 74.996 (2.9526 - 2.9526)
74.996 - 74.997 (2.9526 - 2.9526)
74.997 - 74.998 (2.9526 - 2.9527)
74.998 - 74.999 (2.9527 - 2.9527)
74.999 - 75.000 (2.9527 - 2.9528)
75.000 - 75.001 (2.9528 - 2.9528)
75.001 - 75.002 (2.9528 - 2.9528)
75.002 - 75.003 (2.9528 - 2.9529)
75.003 - 75.004 (2.9529 - 2.9529)
75.004 - 75.005 (2.9529 - 2.9529)
75.005 - 75.006 (2.9529 - 2.9530)
75.006 - 75.007 (2.9530 - 2.9530)
75.007 - 75.008 (2.9530 - 2.9531)
75.008 - 75.009 (2.9530 - 2.9531)
75.009 - 75.010 (2.9531 - 2.9531)
75.010 - 75.011 (2.9531 - 2.9532)
75.011 - 75.012 (2.9532 - 2.9532)
75.012 - 75.013 (2.9532 - 2.9533)
75.013 - 75.014 (2.9533 - 2.9533)
75.014 - 75.015 (2.9533 - 2.9533)
75.015 - 75.016 (2.9533 - 2.9534)
75.016 - 75.017 (2.9534 - 2.9534)
Difference in inner diameter between cylinders
Standard
Less than 0.03 (0.0012)
Items
Grade*
Standard
—
Piston skirt diameter “A”
Grade No. 1
95.480 - 95.490 (3.7590 - 3.7594)
—
Grade No. 2
95.490 - 95.500 (3.7594 - 3.7598)
—
Grade No. 3
95.500 - 95.510 (3.7598 - 3.7602)
—
Items
Standard
Limit
“a” dimension
43.03 (1.6941)
—
Piston pin hole diameter
Grade No. 0
21.993 - 21.999 (0.8659 - 0.8661)
—
Grade No. 1
21.999 - 22.005 (0.8661 - 0.8663)
—
Piston to cylinder bore clearance
0.010 - 0.030 (0.0004 - 0.0012)
0.08 (0.0031)
SEM882E
2010 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-135
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VQ40DE]
C
D
E
F
G
H
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EM
N
P
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Unit: mm (in)
Piston Pin
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information
CONNECTING ROD
Unit: mm (in)
1
: Always check with the Parts Department for the latest parts information
2
: After installing in connecting rod
CRANKSHAFT
Unit: mm (in)
Items
Standard
Limit
Side clearance
Top
0.045 - 0.080 (0.0018 - 0.0031)
0.11 (0.0043)
2nd
0.030 - 0.070 (0.0012 - 0.0028)
0.10 (0.0039)
Oil ring
0.065 - 0.135 (0.0026 - 0.0053)
—
End gap
Top
0.23 - 0.33 (0.0091 - 0.0130)
0.56 (0.0220)
2nd
0.33 - 0.48 (0.0130 - 0.0189)
0.68 (0.0268)
Oil (rail ring)
0.20 - 0.50 (0.0079 - 0.0197)
0.85 (0.0335)
Items
Grade*
Standard
Limit
Piston pin outer diameter
Grade No. 0
21.989 - 21.995 (0.8657 - 0.8659)
—
Grade No. 1
21.995 - 22.001 (0.8659 - 0.8662)
—
Piston to piston pin oil clearance
0.002 - 0.006 (0.0001 - 0.0002)
—
Connecting rod bushing oil clearance
0.005 - 0.017 (0.0002 - 0.0007)
0.030 (0.0012)
Items
Grade
1
Standard
Limit
Center distance
165.82 - 165.92 (6.5283 - 6.5323)
—
Bend [per 100 (3.94)]
—
0.15 (0.0059)
Torsion [per 100 (3.94)]
—
0.30 (0.0118)
Connecting rod bushing inner diameter
2
Grade No. 0
22.000 - 22.006 (0.8661 - 0.8664)
—
Grade No. 1
22.006 - 22.012 (0.8664 - 0.8666)
—
Connecting rod big end diameter (Without bearing)
57.000 - 57.013 (2.2441 - 2.2446)
—
Side clearance
0.20 - 0.35 (0.0079 - 0.0138)
40 (0.0157)
SEM645
SBIA0535E
2010 Pathfinder
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