Infiniti FX35 / FX45. Manual — part 659
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-153
< SERVICE INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
Unit: mm (in)
Valve Guide
Unit: mm (in)
Valve Seat
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
96.46 (3.7976)
Exhaust
93.99 (3.7004)
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)
Valve margin “T” limit
0.5 (0.020)
Valve stem end surface grinding limit
0.2 (0.008)
SEM188
Items
Standard
Oversize (Service) [0.2 (0.008)]
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 (0.0031)
Exhaust
0.030 - 0.063 (0.0012 - 0.0025)
0.09 (0.0039)
Projection length “L”
12.6 - 12.8 (0.496 - 0.504)
SEM950E
EM-154
< SERVICE INFORMATION >
[VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*
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
CYLINDER BLOCK
Items
Standard
Oversize (Service) [0.5 (0.02)]
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)
Diameter “d1”*
1
Intake
35 (1.38)
Exhaust
28.7 (1.130)
Diameter “d2”*
2
Intake
36.6 - 36.8 (1.441 - 1.449)
Exhaust
30.6 - 30.8 (1.205 - 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
1.09 - 1.31 (0.0429 - 0.0516)
Exhaust
1.29 - 1.51 (0.0508 - 0.0594)
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)
PBIC2745E
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 37.0 (1.457)
Valve open
373 - 421 (38.0 - 42.9, 84 - 95) at 27.2 (1.071)
Out-of-square
mm (in)
Limit
2.1 (0.083)
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-155
< SERVICE INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
Unit: mm (in)
PISTON, PISTON RING AND PISTON PIN
Available Piston
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.1 (0.004)
Main bearing housing inner diameter
Standard
63.993 - 64.017 (2.5194 - 2.5203)
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)
Wear limit
0.2 (0.008)
Out-of-round (Difference between “X” and “Y”)
Limit
0.015 (0.0006)
Taper (Difference between “A” and “C”)
0.01 (0.0004)
Main journal inner 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
63.993 - 63.994 (2.5194 - 2.5194)
63.994 - 63.995 (2.5194 - 2.5195)
63.995 - 63.996 (2.5195 - 2.5195)
63.996 - 63.997 (2.5195 - 2.5196)
63.997 - 63.998 (2.5196 - 2.5196)
63.998 - 63.999 (2.5196 - 2.5196)
63.999 - 64.000 (2.5196 - 2.5197)
64.000 - 64.001 (2.5197 - 2.5197)
64.001 - 64.002 (2.5197 - 2.5198)
64.002 - 64.003 (2.5198 - 2.5198)
64.003 - 64.004 (2.5198 - 2.5198)
64.004 - 64.005 (2.5198 - 2.5199)
64.005 - 64.006 (2.5199 - 2.5199)
64.006 - 64.007 (2.5199 - 2.5200)
64.007 - 64.008 (2.5200 - 2.5200)
64.008 - 64.009 (2.5200 - 2.5200)
64.009 - 64.010 (2.5200 - 2.5201)
64.010 - 64.011 (2.5201 - 2.5201)
64.011 - 64.012 (2.5201 - 2.5202)
64.012 - 64.013 (2.5202 - 2.5202)
64.013 - 64.014 (2.5202 - 2.5202)
64.014 - 64.015 (2.5202 - 2.5203)
64.015 - 64.016 (2.5203 - 2.5203)
64.016 - 64.017 (2.5203 - 2.5203)
Difference in inner diameter between cylinders
Standard
Less than 0.03 (0.0012)
PBIC0923E
EM-156
< SERVICE INFORMATION >
[VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
Piston Ring
Unit: mm (in)
Piston Pin
Unit: mm (in)
CONNECTING ROD
Unit: mm (in)
Items
Standard
Oversize (Service) [0.2 (0.008)]
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)
—
Service
—
95.680 - 95.710 (3.7669 - 3.7681)
Items
Standard
Limit
“a” dimension
41.0 (1.614)
—
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
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)
0.1 (0.004)
Oil ring
0.065 - 0.135 (0.0026 - 0.0053)
—
End gap
Top
0.23 - 0.33 (0.0091 - 0.0130)
0.54 (0.0213)
2nd
0.33 - 0.48 (0.0130 - 0.0189)
0.80 (0.0315)
Oil (rail ring)
0.20 - 0.50 (0.0079 - 0.0197)
0.95 (0.0374)
Items
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
Standard
Limit
Center distance
144.15 - 144.25 (5.68 - 5.68)
—
Bend [per 100 (3.94)]
—
0.15 (0.0059)
Torsion [per 100 (3.94)]
—
0.30 (0.0118)
Connecting rod bushing inner diameter*
Grade No. 0
22.000 - 22.006 (0.8661 - 0.8664)
—
Grade No. 1
22.006 - 22.012 (0.8664 - 0.8666)
—
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