Nissan Qashqai J11. Manual — part 78
SERVICE DATA AND SPECIFICATIONS (SDS)
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[MR20DD]
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Cylinder Head
INFOID:0000000010735682
CYLINDER HEAD
Unit: mm (in)
VALVE DIMENSIONS
Unit: mm (in)
VALVE GUIDE
346H
3.46 (0.1362)
348H
3.48 (0.1370)
350H
3.50 (0.1378)
Identification mark
Thickness
Items
Standard
Limit
Head surface distortion
—
0.1 (0.004)
Normal cylinder head height “H”
130.9 (5.15)
—
PBIC0924E
Valve head diameter “D”
Intake
33.8 - 34.1 (1.331 - 1.343)
Exhaust
27.6 - 27.9 (1.087 - 1.098)
Valve length “L”
Intake
106.42 (4.19)
Exhaust
105.41 (4.15)
Valve stem diameter “d”
Intake
5.465 - 5.480 (0.2152 - 0.2157)
Exhaust
5.455 - 5.470 (0.2148 - 0.2154)
Valve seat angle “
α
”
45
°
15
′
- 45
°
45
′
Valve margin “T”
Intake
1.2 (0.047)
Exhaust
1.4 (0.055)
JSBIA1166ZZ
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< SERVICE DATA AND SPECIFICATIONS (SDS)
[MR20DD]
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
VALVE SEAT
Unit: mm (in)
Items
Standard Oversize
(service) [0.2 (0.008)]
Valve guide
Outer diameter
9.523 - 9.534 (0.3749 - 0.3754)
9.723 - 9.734 (0.3828 - 0.3832)
Inner diameter (Finished size)
5.500 - 5.518 (0.2165 - 0.2172)
Cylinder head valve guide hole diameter
9.475 - 9.496 (0.3730 - 0.3739)
9.675 - 9.696 (0.3809 - 0.3817)
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)
0.1 (0.004)
Exhaust
0.030 - 0.063 (0.0012 - 0.0025)
Projection length “H”
13.35 - 13.65 (0.5256 - 0.5374)
JPBIA6515ZZ
Items
Standard
Oversize (service) [0.5 (0.02)]
Cylinder head seat recess diameter “D”
Intake
34.700 - 34.727 (1.3661 - 1.3672)
35.200 - 35.227 (1.3858 - 1.3869)
Exhaust
28.700 - 28.727 (1.1299 - 1.1310)
29.200 - 29.227 (1.1496 - 1.1507)
Valve seat outer diameter “d”
Intake
34.808 - 34.824 (1.3704 - 1.3710)
35.308 - 35.324 (1.3901 - 1.3907)
Exhaust
28.808 - 28.824 (1.1342 - 1.1348)
29.308 - 29.324 (1.1539 - 1.1545)
Valve seat interference fit
0.081 - 0.124 (0.0032 - 0.0049)
Diameter “d1”*
1
Intake
31.8 (1.252)
Exhaust
25.3 (0.996)
Diameter “d2”*
2
Intake
33.1 - 33.6 (1.303 - 1.323)
Exhaust
26.9 - 27.4 (1.059 - 1.079)
Angle “
α
1”
Intake
70
°
Exhaust
45
°
Angle “
α
2”
88
°
45
′
- 90
°
15
′
Angle “
α
3”
120
°
PBIC2745E
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-253
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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
Unit: mm (in)
Cylinder Block
INFOID:0000000010735683
CYLINDER BLOCK
Unit: mm (in)
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)
5.03 - 5.13 (0.1980 - 0.2020)
Exhaust
4.95 - 5.05 (0.1949 - 0.1988)
Depth “H”
Intake
6.04 (0.2378)
Exhaust
6.05 (0.2382)
Items
Standard
Intake
Exhaust
Free height
49.4 - 49.6 mm (1.945 - 1.953 in)
54.5 - 54.7 mm (2.146 - 2.154 in)
Installation height
38.46 mm (1.514 in)
38.46 mm (1.514 in)
Installation load
151 - 175 N (15.4 - 17.9 kg, 34 - 39 lb)
257 - 289 N (26.2 - 29.5 kg, 57.8 - 65.0 lb)
Height during valve open
28.86 mm (1.1362 in)
30.03 mm (1.1823 in)
Load with valve open
344 - 392 N (35.0 - 40.0 kg, 77.3 - 88.1 lb)
450 - 502 N (45.9 - 51.2 kg, 101.2 - 112.9 lb)
Identification color
White
Yellow green
Items
Limit
Valve spring squareness
1.0 (0.039)
Cylinder block top surface distortion
Limit
0.1 (0.004)
Cylinder bore inner diameter
Standard
Grade No. 1
84.000 - 84.010 (3.3071 - 3.3075)
Grade No. 2
84.010 - 84.020 (3.3075 - 3.3079)
PBIC4017E
EM-254
< SERVICE DATA AND SPECIFICATIONS (SDS)
[MR20DD]
SERVICE DATA AND SPECIFICATIONS (SDS)
AVAILABLE PISTON
Unit: mm (in)
PISTON RING
Unit: mm (in)
PISTON PIN
Out-of-round
Limit
0.015 (0.0006)
Taper
0.010 (0.0004)
Main bearing housing inner diameter grade
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
55.997 - 55.998 (2.2046 - 2.2046)
55.998 - 55.999 (2.2046 - 2.2047)
55.999 - 56.000 (2.2047 - 2.2047)
56.000 - 56.001 (2.2047 - 2.2048)
56.001 - 56.002 (2.2048 - 2.2048)
56.002 - 56.003 (2.2048 - 2.2048)
56.003 - 56.004 (2.2048 - 2.2049)
56.004 - 56.005 (2.2049 - 2.2049)
56.005 - 56.006 (2.2049 - 2.2050)
56.006 - 56.007 (2.2050 - 2.2050)
56.007 - 56.008 (2.2050 - 2.2050)
56.008 - 56.009 (2.2050 - 2.2051)
56.009 - 56.010 (2.2051 - 2.2051)
56.010 - 56.011 (2.2051 - 2.2052)
56.011 - 56.012 (2.2052 - 2.2052)
56.012 - 56.013 (2.2052 - 2.2052)
56.013 - 56.014 (2.2052 - 2.2053)
56.014 - 56.015 (2.2053 - 2.2053)
56.015 - 56.016 (2.2053 - 2.2053)
56.016 - 56.017 (2.2053 - 2.2054)
Piston skirt diameter “A”
Standard
Grade No. 1
83.970 - 83.980 (3.3059 - 3.3063)
Grade No. 2
83.980 - 83.990 (3.3063 - 3.3067)
Measure point “H”
39.2 (1.543)
Piston pin hole diameter
19.993 - 19.999 (0.7871 - 0.7874)
Piston to cylinder bore clearance
Standard
0.020 - 0.040 (0.0008 - 0.0016)
Limit
0.08 (0.0031)
PBIC0188E
Items
Standard
Limit
Piston ring side clearance
Top
0.04 - 0.08 (0.0016 - 0.0031)
0.11 (0.0043)
2nd
0.03 - 0.07 (0.0012 - 0.0028)
0.10 (0.0039)
Oil ring
0.055 - 0.155 (0.0022 - 0.0061)
—
Piston ring end gap
Top
0.20 - 0.30 (0.0079 - 0.0118)
0.49 (0.0193)
2nd
0.50 - 0.65 (0.0197 - 0.0256)
0.81 (0.0319)
Oil (rail ring)
0.15 - 0.45 (0.0059 - 0.0177)
0.76 (0.0299)
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