Infiniti EX35. Manual — part 736
SERVICE DATA AND SPECIFICATIONS (SDS)
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VALVE GUIDE
Unit: mm (in)
VALVE SEAT
Unit: mm (in)
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)
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 - 0.056 (0.0012 - 0.0022)
0.09 (0.0035)
Projection length “L”
12.6 - 12.8 (0.496 - 0.504)
SEM950E
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
31.600 - 31.616 (1.2441 - 1.2447)
32.100 - 32.116 (1.2638 - 1.2644)
Valve seat outer diameter “d”
Intake
38.097 - 38.113 (1.4999 - 1.5005)
38.597 - 38.613 (1.5196 - 1.5202)
Exhaust
31.680 - 31.696 (1.2472 - 1.2479)
32.180 - 32.196 (1.2669 - 1.2676)
Valve seat interference fit
Intake
0.081 - 0.113 (0.0032 - 0.0044)
Exhaust
0.064 - 0.096 (0.0025 - 0.0038)
PBIC2745E
EM-144
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
*
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
INFOID:0000000003139161
CYLINDER BLOCK
Unit: mm (in)
Diameter “d1”*
1
Intake
34.6 (1.362)
Exhaust
27.7 (1.091)
Diameter “d2”*
2
Intake
35.9 - 36.4 (1.413 - 1.433)
Exhaust
29.3 - 29.8 (1.154 - 1.173)
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)
Items
Standard
Free height
43.85 mm (1.7264 in)
Installation height
37.00 mm (1.4567 in)
Installation load
166 - 188 N (16.9 - 19.2 kg, 37 - 42 lb)
Height during valve open
26.8 mm (1.055 in)
Load with valve open
502 - 566 N (51.2 - 57.7 kg, 113 - 127 lb)
Squareness
1.9 mm (0.075 in)
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.1 (0.004)
Main bearing housing inner diameter
Standard
69.993 - 70.017 (2.7556 - 2.7566)
JPBIA1050GB
SERVICE DATA AND SPECIFICATIONS (SDS)
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AVAILABLE PISTON
Unit: mm (in)
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
Limit
0.015 (0.0006)
Taper
0.010 (0.0004)
Main bearing housing 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
69.993 - 69.994 (2.7556 - 2.7557)
69.994 - 69.995 (2.7557 - 2.7557)
69.995 - 69.996 (2.7557 - 2.7557)
69.996 - 69.997 (2.7557 - 2.7558)
69.997 - 69.998 (2.7558 - 2.7558)
69.998 - 69.999 (2.7558 - 2.7559)
69.999 - 70.000 (2.7559 - 2.7559)
70.000 - 70.001 (2.7559 - 2.7559)
70.001 - 70.002 (2.7559 - 2.7560)
70.002 - 70.003 (2.7560 - 2.7560)
70.003 - 70.004 (2.7560 - 2.7561)
70.004 - 70.005 (2.7561 - 2.7561)
70.005 - 70.006 (2.7561 - 2.7561)
70.006 - 70.007 (2.7561 - 2.7562)
70.007 - 70.008 (2.7562 - 2.7562)
70.008 - 70.009 (2.7562 - 2.7563)
70.009 - 70.010 (2.7563 - 2.7563)
70.010 - 70.011 (2.7563 - 2.7563)
70.011 - 70.012 (2.7563 - 2.7564)
70.012 - 70.013 (2.7564 - 2.7564)
70.013 - 70.014 (2.7564 - 2.7565)
70.014 - 70.015 (2.7565 - 2.7565)
70.015 - 70.016 (2.7565 - 2.7565)
70.016 - 70.017 (2.7565 - 2.7566)
Difference in inner diameter between cylinders
Standard
Less than 0.03 (0.0012)
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
38.8 (1.528)
—
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
EM-146
< SERVICE DATA AND SPECIFICATIONS (SDS)
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
Items
Standard
Limit
Side clearance
Top
0.040 - 0.080 (0.0016 - 0.0031)
0.11 (0.0043)
2nd
0.030 - 0.070 (0.0012 - 0.0028)
0.10 (0.0039)
Oil ring
0.055 - 0.155 (0.0022 - 0.0061)
—
End gap
Top
0.23 - 0.33 (0.0091 - 0.0130)
0.42 (0.0165)
2nd
0.33 - 0.48 (0.0130 - 0.0189)
0.57 (0.0224)
Oil (rail ring)
0.17 - 0.47 (0.0067 - 0.0185)
0.63 (0.0248)
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)
—
Connecting rod big end diameter (Without
bearing)
Grade No. A
57.000 - 57.001 (2.2441 - 2.2441)
—
Grade No. B
57.001 - 57.002 (2.2441 - 2.2442)
—
Grade No. C
57.002 - 57.003 (2.2442 - 2.2442)
—
Grade No. D
57.003 - 57.004 (2.2442 - 2.2442)
—
Grade No. E
57.004 - 57.005 (2.2442 - 2.2443)
—
Grade No. F
57.005 - 57.006 (2.2443 - 2.2443)
—
Grade No. G
57.006 - 57.007 (2.2443 - 2.2444)
—
Grade No. H
57.007 - 57.008 (2.2444 - 2.2444)
—
Grade No. J
57.008 - 57.009 (2.2444 - 2.2444)
—
Grade No. K
57.009 - 57.010 (2.2444 - 2.2445)
—
Grade No. L
57.010 - 57.011 (2.2445 - 2.2445)
—
Grade No. M
57.011 - 57.012 (2.2445 - 2.2446)
—
Grade No. N
57.012 - 57.013 (2.2446 - 2.2446)
—
Items
Standard
Limit
Side clearance
0.20 - 0.35 (0.0079 - 0.0138)
0.40 (0.0157)
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