Nissan X-Trail 32. Instruction — part 1129
HOW TO SELECT PISTON AND BEARING
EM-413
< UNIT DISASSEMBLY AND ASSEMBLY >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
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
Cylinder block bearing diameter class mark
A
B
C
E
H
J
K
L
M
P
S
T
U
Z
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
Marking
color 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)
EM-414
< SERVICE DATA AND SPECIFICATIONS (SDS)
[R9M]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000010784369
GENERAL SPECIFICATIONS
Unit: degree
Drive Belts
INFOID:0000000010784370
DRIVE BELT
Intake Manifold
INFOID:0000000010784371
INTAKE MANIFOLD
Unit: mm (in)
Exhaust Manifold
INFOID:0000000010784372
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)
EM-415
< SERVICE DATA AND SPECIFICATIONS (SDS)
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
Turbocharger
INFOID:0000000010784373
Camshaft
INFOID:0000000010784374
CAMSHAFT
Unit: mm (in)
Cylinder Head
INFOID:0000000010784375
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 “
”
1.116 - 1.184 (0.0439 - 0.0466)
Normal cylinder head height “
”
131.5 (5.18)
JPBIA0791ZZ
JPBIA0792ZZ
EM-416
< SERVICE DATA AND SPECIFICATIONS (SDS)
[R9M]
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 “
”
90
°
Projection length “
”
14.0 (0.551)
JPBIA0586ZZ
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст