Qashqai J11. Engine mechanical (HRA2DDT, K9K, MR20DD) — part 30
CYLINDER BLOCK
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• Remove main bearing cap and bearings, and using the scale on
the plastigage bag, measure the plastigage width.
NOTE:
The procedure when the measured value exceeds the standard is
the same as that described in “Method by Calculation”.
FLYWHEEL INSPECTION
For a dual mass flywheel which has worked: presence of a free rotation angle. This angle is measured by fix-
ing the primary flywheel and turning the secondary flywheel. The dual mass flywheel free rotation angle must
not exceed 15
°
or 30mm (1.2 in) in linear movement measured on the edge.
JPBIA0231ZZ
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HOW TO SELECT PISTON AND BEARING
HOW TO SELECT PISTON AND BEARING
Description
INFOID:0000000010282027
• The identification grade stamped on each part is the grade for the dimension measured in new condition.
This grade cannot apply to reused parts.
• For reused or repaired parts, measure the dimension accurately. Determine the grade by comparing the
measurement with the values of each selection table.
• For details of the measurement method of each part, the reuse standards and the selection method of the
selective fitting parts, refer to the text.
Main Bearing
INFOID:0000000010282028
WHEN NEW CYLINDER BLOCK AND CRANKSHAFT ARE USED
1.
“Main Bearing Selection Table” rows correspond to main bearing
housing grade on rear side of cylinder block.
• * This engine only has one cylinder bore grade.
(1) : cylinder block bearing diameter category:
• Identification by letter of the crankshaft bearing diameter,
• the order of the marking letters goes from the bearing on the
timing end to the bearing on the flywheel end.
• (2) : cylinder diameter category.
• (3) : marking only for factory use.
WORKING OUT THE CLASS OF MAIN BEARING (ORIGINAL FITMENT)
Marking (1) On The Crankshaft
Identify the category of crankshaft main journal diameter (A) with
checking the marking of crankshaft as shown in the figures.
NOTE:
The marking has 5 digits. Left end is the diameter category of No. 1
bearing (flywheel side) and right end is the diameter category of No.
5 bearing (sprocket side).
Selection points
Selection parts
Selection items
Selection methods
Between cylinder block and
crankshaft
Main bearing
Main bearing grade
(bearing thickness)
Determined by match of cylinder block
bearing housing grade (inner diameter of
housing) and crankshaft journal grade
(outer diameter of journal)
Piston protrusion
Piston
Piston grade (piston height)
Refer to
.
E1BIA0564ZZ
E1BIA0542ZZ
E1BIA0543ZZ
HOW TO SELECT PISTON AND BEARING
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Detail of the marking (1):
(1) : Line indicating the diameter category of the journal.
- identification by letters corresponding to the diameter of the journal
- the order of the marking letters goes from the bearing on the timing end to the bearing on the flywheel end,
(2) :Line indicating the diameter class of the crankpins,
(3), (4) : Last five numbers of the crankshaft part number,
(5): Line reserved for the factory.
Table Of Journal Diameter Classes
Unit: mm (in)
WHEN CYLINDER BLOCK AND CRANKSHAFT ARE REUSED
1.
Measure the dimensions of the cylinder block main bearing housing inner diameter and crankshaft main
journal diameter individually. Refer to
2.
Apply the measured dimension to “Main Bearing Selection Table”.
3.
Read the symbol at the cross point of selected row and column in “Main Bearing Selection Table”.
4.
Apply the symbol obtained from “Main Bearing Grade Table” to select main bearing.
MAIN BEARING SELECTION TABLE
B* = Blue (bearing shell colour mark)
N** = Black (bearing shell colour mark)
J*** = Yellow (bearing shell colour mark)
Table of distribution of upper journals 1, 2, 4 and 5
Journal class mark on the crankshaft
Journal diameter
A,B,C
51.485 - 51.487 (2.0270)
D, E
51.488 - 51.489 (2.0271)
F, G, H
51.490 - 51.492 (2.0272)
K, L, M
51.495 - 51.497 (2.0274)
N, O
51.498 - 51.499 (2.0275)
P, Q, R
51.500 - 51.502 (2.0276)
S, T
51.503 - 51.504 (2.0277)
U
51.505 (2.0278)
Cylinder block bearing diameter class mark
A
B
C
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J
K
L
M
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S
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HOW TO SELECT PISTON AND BEARING
Table of the distribution of lower journals 1, 2, 4 and 5
B* = Blue (bearing shell colour mark)
N** = Black (bearing shell colour mark)
J*** = Yellow (bearing shell colour mark)
Crank
shaft
jour-
nal di-
amet
er
class
mark
A
B*
B
B
C
N**
B
D
N
B
E
N
B
F
N
B
G
N
B
H
N
B
I
N
B
J
N
B
K
N
B
L
N
B
M
J***
N
B
N
J
N
O
J
N
P
J
N
Q
J
N
R
J
N
S
J
N
T
J
N
U
J
N
Cylinder block bearing diameter class mark
Cylinder block bearing diameter class mark
A
B
C
E
H
J
K
L
M
P
S
T
U
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HOW TO SELECT PISTON AND BEARING
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Table of the distribution of upper journal 3
W* = White (bearing shell colour mark)
N** = Black (bearing shell colour mark)
J*** = Yellow (bearing shell colour mark)
Crank
shaft
jour-
nal di-
amet
er
class
mark
A
N**
B*
B
N
B
C
N
B
D
N
B
E
N
B
F
N
B
G
N
B
H
J***
N
B
I
J
N
J
J
N
K
J
N
L
J
N
M
J
N
N
J
N
O
J
N
P
J
N
Q
J
N
R
J
N
S
J
T
J
U
J
Cylinder block bearing diameter class mark
Cylinder block bearing diameter class mark
A
B
C
E
H
J
K
L
M
P
S
T
U
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HOW TO SELECT PISTON AND BEARING
Table of the distribution of lower journals 3
W* = White (bearing shell colour mark)
N** = Black (bearing shell colour mark)
J*** = Yellow (bearing shell colour mark)
Crank
shaft
jour-
nal di-
amet
er
class
mark
A
N**
B
N
C
J***
N
D
J
N
E
J
N
F
J
N
G
J
N
H
J
N
I
J
N
J
J
N
K
J
N
L
J
N
M
W***
J
N
N
W
J
O
W
J
P
W
J
Q
W
J
R
W
J
S
W
J
T
W
J
U
W
J
Cylinder block bearing diameter class mark
Cylinder block bearing diameter class mark
A
B
C
E
H
J
K
L
M
P
S
T
U
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HOW TO SELECT PISTON AND BEARING
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Example:
• diameter category of journal No. 1 marked on the crankshaft = N,
• diameter category of crankshaft bearing No.1 marked on the cylinder block = M,
• thickness class to of the upper and lower bearing shells of bearing No. 1 to refit = Black Mark.
Identification of the crankshaft bearing shells
Crank
shaft
jour-
nal di-
amet
er
class
mark
A
J***
N**
B
J
B
C
J
B
D
J
B
E
J
B
F
J
B
G
J
B
H
W*
J
B
I
W
J
J
W
J
K
W
J
L
W
J
M
W
J
N
W
J
O
W
J
P
W
J
Q
W
J
R
W
J
S
W
T
W
U
W
Cylinder block bearing diameter class mark
Marking
Colour Mark
Thickness mm(in)
Lower shell bearing
33281R or 4
Blue
1.989(0.0783)
3875R or 3
Black
1.985(0.0781)
37686R or 2
Yellow
1.981(0.0780)
31153R or 1
White
1.977(0.0787)
Upper bearing shell bearing
53785R or 4
Blue
1.989(0.0783)
54889R or 3
Black
1.985(0.0781)
56848R or 2
Yellow
1.981(0.0780)
53368R or 1
White
1.977(0.0787)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000010282029
GENERAL SPECIFICATIONS
Unit: degree
Drive Belts
INFOID:0000000010282030
DRIVE BELT
Intake Manifold
INFOID:0000000010282031
INTAKE MANIFOLD
Unit: mm (in)
Exhaust Manifold
INFOID:0000000010282032
EXHAUST MANIFOLD
Unit: mm (in)
Engine type
R9M
Cylinder arrangement
In-line 4
Displacement
cm
3
(cu in)
1,598 (97.51)
Bore and stroke
mm (in)
80.0 x 79.5 (3.1496 x 3.1299)
Valve arrangement
DOHC
Firing order
1-3-4-2
Number of piston rings
Compression
2
Oil
1
Compression ratio
15.4
Valve timing
a
b
c
d
e
f
198
187
- 11
18
- 17
35
EM120
Tension of drive belt
Belt tensioning is not necessary, as it is automatically adjusted by drive belt auto-tensioner.
Items
Standard
Surface distortion
0.05 (0.0020)
Items
Standard
Surface distortion
0.7 (0.028)
SERVICE DATA AND SPECIFICATIONS (SDS)
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Turbocharger
INFOID:0000000010282033
Camshaft
INFOID:0000000010282034
CAMSHAFT
Unit: mm (in)
Cylinder Head
INFOID:0000000010282035
CYLINDER HEAD
Unit: mm (in)
VALVE DIMENSIONS
Valve rod moving length
Value of vacuum
25 kPa (250 mbar, 187.525 mmHg, 7.3825 inHg)
2.95 - 5.95 mm (0.1161 - 0.2343 in)
More than 60 kPa (600 mbar, 450.06 mmHg, 17.718 inHg)
The rod should not move
Items
Standard
Camshaft journal diameter
24.979 - 25.000 (0.9834 - 0.9843)
Cylinder head housing and camshaft bracket inner diameter
25.040 - 25.061 (0.9858 - 0.9867)
Camshaft journal oil clearance
0.060 (0.0024)
Items
Standard
Head surface distortion
0.05 (0.0020)
Cylinder head gasket thickness “a”
1.116 - 1.184 (0.0439 - 0.0466)
Normal cylinder head height “a”
131.5 (5.18)
JPBIA0791ZZ
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SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
VALVE GUIDE
Unit: mm (in)
VALVE SEAT
Item
Standard
Valve head diameter “D”
Intake
23.38 - 23.62 (0.9205 - 0.9299)
Exhaust
23.28 - 23.62 (0.9165 - 0.9260)
Valve length “L”
Intake
104.17 (4.1)
Exhaust
104.06 (4.097)
Valve stem diameter “d”
Intake
5.970 - 5.985 (0.2350 - 0.2356)
Exhaust
5.955 - 5.970 (0.2344 - 0.2350)
Measuring point “X1”
35.0 (1.378)
Valve seat angle “
α
”
45
°
- 45
°
15
′
Valve margin “T”
Intake
1.84 (0.072)
Exhaust
1.35 (0.531)
Valve lift amount
8.0 (0.315)
E1BIA0064ZZ
Items
Standard
Valve guide
Outer diameter
11.033 - 11.044 (0.4344 - 0.4348)
Inner diameter (Finished size)
6.000 - 6.018 (0.2362 - 0.2369)
Cylinder head valve guide hole diameter
10.987 - 11.013 (0.4326 - 0.4336)
Interference fit of valve guide
0.020 - 0.057 (0.0008 - 0.0022)
Valve guide clearance
Intake
0.015 - 0.048 (0.0006 - 0.0019)
Exhaust
0.030 - 0.063 (0.0012 - 0.0025)
Valve guide angle “a”
90
°
Projection length “b”
14.0 (0.551)
JPBIA0586ZZ
SERVICE DATA AND SPECIFICATIONS (SDS)
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Unit: mm (in)
*
1
: Machining data
VALVE SPRING
Cylinder Block
INFOID:0000000010282036
CRANKSHAFT
Items
Standard
Cylinder head seat recess diameter “D”
Intake
28.163 - 28.191 (1.1088 - 1.1099)
Exhaust
26.986 - 27.014 (1.0624 - 1.0635)
Valve seat outer diameter “d”
Intake
28.276 - 28.292 (1.1132 - 1.1139)
Exhaust
27.076 - 27.092 (1.0660 - 1.0666)
Valve seat interference fit
Intake
0.085 - 0.129 (0.0033 - 0.0051)
Exhaust
0.062 - 0.106 (0.0024 - 0.0042)
Angle “
α
”
89
°
30
′
Contacting width “W”*
1
Intake
1.40 (0.0551)
Exhaust
1.544 (0.0608)
Height “h”
Intake
4.56 - 4.64 (0.1795 -0.1827)
Exhaust
4.905 - 4.985 (0.1931 - 0.1963)
Depth “H”
Intake
6.95 (0.2736)
Exhaust
7.25 (0.2854)
JPBIA0787ZZ
Free height
46.90 mm (1.8465 in)
Pressure height
200 - 220 N (20.4 - 22.4 kg, 45 - 49 lb)
34.90 mm (1.3740 in)
353 - 387 N (36.0 - 39.5 kg, 79 - 87 lb)
26.90 mm (1.0591 in)
Full pressed height
24.40 mm (0.9606 in)
Diameter of the wire
2.78 - 2.82 mm (0.1094 - 0.1110 in)
Inner diameter
13.90 - 14.30 mm (0.5472 - 0.5630 in)
Outer diameter
19.50 - 19.90 mm (0.7677 - 0.7835 in)
Valve spring squareness
1.4 mm (0.055 in)
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SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
CONNECTING ROD
Unit: mm (in)
Item
Standard
Crankshaft main journal diameter “Dm”
GRADE mark A
51.485 (2.0270)
GRADE mark B
51.486 (2.0270)
GRADE mark C
51.487 (2.0270)
GRADE mark D
51.488 (2.0271)
GRADE mark E
51.489 (2.0271)
GRADE mark F
51.490 (2.0272)
GRADE mark G
51.491 (2.0272)
GRADE mark H
51.492 (2.0272)
GRADE mark I
51.493 (2.0273)
GRADE mark J
51.494 (2.0273)
GRADE mark K
51.495 (2.0274)
GRADE mark L
51.496 (2.0274)
GRADE mark M
51.497 (2.0274)
GRADE mark N
51.498 (2.0275)
GRADE mark O
51.499 (2.0275)
GRADE mark P
51.500 (2.0276)
GRADE mark Q
51.501 (2.0276)
GRADE mark R
51.502 (2.2048)
GRADE mark S
51.503 (2.2048)
GRADE mark T
51.504 (2.2049)
GRADE mark U
51.505 (2.2049)
Crankshaft pin journal diameter “Dp”
48.000 - 48.020 (1.8898 - 1.8905)
Crankshaft end play
0.112 - 0.438 (0.004 - 0.0172)
E1BIA0067ZZ
PBIC3459J
Item
Standard
Center distance (big end and small end)
Grade 1
127.17 - 127.185 (5.0067 - 5.0073)
Grade 2
127.185 - 127.2 (5.0073 - 5.0079)
Grade 3
127.2 - 127.215 (5.0079 - 5.0098)
Grade 4
127.215 - 127.23 (5.0098 - 5.001)
Connecting rod big end diameter
51.58 - 51.600 (2.0307 - 2.0315)
Connecting rod bushing end diameter
32.02 - 32.04 (1.1819 - 1.1827)
Connecting rod bushing end oil clearance
0.020 - 0.038 (0.0008 - 0.0015)
Connecting rod side clearance
0.021 - 0.48 (0.0083 - 0.0189)
SERVICE DATA AND SPECIFICATIONS (SDS)
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PISTON PROTRUSION GRADE
Unit: mm (in)
AVAILABLE PISTON
Item
Standard
Piston height “a”
Grade R
45.911 (1.8075)
Grade S
45.946 (1.8089)
Grade T
45.981 (1.8103)
Grade U
46.016 (1.8116)
Grade X
46.031 (1.8130)
Piston pin hole diameter “b”
32.012 - 32.017 (1.2603 - 1.2605)
Piston to cylinder bore clearance
0.192 - 0.236 (0.0076 - 0.0093)
JPBIA0767ZZ
Item
Standard
Piston skirt diameter “c”
79.835 mm (3.1431 in)
Measure point “d”
42 mm (1.6535 in)
Piston protrusion "a"
0.387 - 0.551 mm (0.0159 - 0.0217 in)
JPBIA0784ZZ
JPBIA0640ZZ
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[R9M]
SERVICE DATA AND SPECIFICATIONS (SDS)
PISTON RING
Unit: mm (in)
PISTON PIN
Unit: mm (in)
CYLINDER BLOCK
Unit: mm (in)
Capacity of combustion chamber“a”
24.65 - 25.35 cm
3
(1.5041 - 1.546 cu in)
JPBIA0633ZZ
Items
Standard
Piston ring side clearance
Top
0.09 - 0.13 (0.0035 - 0.0051)
2nd
0.08 - 0.12 (0.0031 - 0.0047)
Oil ring
0.05 (0.002)
Piston ring end gap
Top
0.2 - 0.35 (0.0079 - 0.0138)
2nd
0.7 - 0.9 (0.0276 - 0.0354)
Oil ring
0.25 - 0.50 (0.0098 - 0.0197)
Items
Standard
Length “a”
59.85 (2.3563)
Diameter of chamfer “b”
23.85 - 24.15 (0.9390 - 0.9508)
Length of the chamfer “c”
8.7 (0.343)
Piston pin inner diameter “d”
13.8 - 14.1 (0.543 - 0.555)
Piston pin outer diameter ’“e”
29.995 - 30.005 (1.1809 -1.1813)
Piston to piston pin oil clearance
0.012 - 0.023 (0.0005 - 0.0009)
JPBIA0768ZZ
Item
Standard
Cylinder block top surface distortion
0.05 (0.0020)
Cylinder bore inner diameter
80.004 - 84.034 (3.1498 - 3.1509)
SERVICE DATA AND SPECIFICATIONS (SDS)
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[R9M]
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Main Bearing
INFOID:0000000010282037
MAIN BEARING GRADE TABLE
MAIN BEARING OIL CLEARANCE
Unit: mm (in)
Connecting Rod Bearing
INFOID:0000000010282038
CONNECTING ROD BEARING OIL CLEARANCE
Unit: mm (in)
Cylinder block main bearing
housing inner diameter
Grade mark A
55.4975 - 55.4985 (2.1849 - 2.185)
Grade mark B
55.4985 - 55.4995 (2.185)
Grade mark C
55.4995 - 55.5005 (2.185 - 2.1851)
Grade mark E
55.5005 - 55.5015 (2.1851)
Grade mark H
55.5015 - 55.5025 (2.1851)
Grade mark J
55.5025 - 55.5035 (2.1851 - 2.1852)
Grade mark K
55.5035 - 55.5045 (2.1852)
Grade mark L
55.5045 - 55.5055 (2.1852 - 2.1853)
Grade mark M
55.5055 - 55.5065 (2.1853)
Grade mark P
55.5065 - 55.5075 (2.1853)
Grade mark S
55.5075 - 55.5085 (2.1853 - 2.1854)
Grade mark T
55.5085 - 55.5095 (2.1854)
Grade mark U
55.5095 - 55.5105 (2.1854)
Grade mark Z
55.5105 - 55.5115 (2.1854 - 2.1855)
Marking
Thickness Identification
color
Lower shell
bearing
33281R or 4
1.989 mm (0.0783 in)
Blue
38751R or 3
1.985 mm (0.0781 in)
Black
37686R or 2
1.981 mm (0.0780 in)
Yellow
31153R or 1
1.977 mm (0.0778 in)
White
Upper shell
bearing
53785R or 4
1.989 mm (0.0783 in)
Blue
54889 or 3
1.985 mm (0.0781 in)
Black
7527 (upper)
1.981 mm (0.0780 in)
Yellow
7521 (lower)
1.977 mm (0.0778 in)
White
Main bearing oil clearance
Standard
0.035 - 0.065 (0.0014 - 0.0026)
Connecting rod bearing oil clearance
Standard
0.053 - 0.093 (0.0021 - 0.0037)
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