Crank drive, cylinder block - DOHC II
Illustration
1
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Main Bearing Journals
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2
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Con-rod bearing journal
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3
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3 Main Bearing Journals (Guide Bearing)
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4
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Crankshaft colour code
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5
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Bearing shell colour code
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6
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Bearing shell identification
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|
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Engine
|
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X 20 XEV, Y 22 XE, Z 22 XE
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Crankshaft dimensions
|
|
Ø Main bearing journals 1 - 5
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Colour coding
|
|
Standard size
|
mm
|
57.974 - 57.981
|
white
|
|
|
mm
|
57.981 - 57.988
|
green
|
|
|
mm
|
57.988 - 57.995
|
brown
|
|
Undersize (0.25)
|
mm
|
57.732 - 57.738
|
green / blue
|
|
|
mm
|
57.738 - 57.745
|
brown / blue
|
|
Undersize (0.50)
|
mm
|
57.482 - 57.488
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green / white
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|
|
mm
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57.488 - 57.495
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brown / white
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|
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Ø Con-rod bearing journals 1 - 4
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|
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Standard size
|
mm
|
48.970 - 48.988
|
-
|
|
Undersize (0.25)
|
mm
|
48.720 - 48.738
|
blue
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|
Undersize (0.50)
|
mm
|
48.470 - 48.488
|
white
|
|
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Width of main bearing
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|
|
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journal 3
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(Guide bearing)
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|
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Standard size
|
mm
|
25.950 - 26.002
|
-
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|
Undersize (0.20)
|
mm
|
26.150 - 26.202
|
-
|
|
Undersize (0.40)
|
mm
|
26.350 - 26.402
|
-
|
Engine
|
|
X 20 XEV, Y 22 XE, Z 22 XE
|
Crankshaft bearing
|
|
lower crankshaft bearing shell
|
1, 2, 4, 5
|
|
Colour coding
|
Thickness
|
Coding
|
|
|
|
|
|
|
|
|
|
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GM 985
|
|
Standard size
|
mm
|
brown
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1.989 - 1.995
|
662 N
|
|
|
mm
|
green
|
1.995 - 2.001
|
663 N
|
|
|
mm
|
white
|
2.001 - 2.007
|
528 N
|
|
Undersize (0.25)
|
mm
|
brown / blue
|
2.114 - 2.120
|
664 A
|
|
|
mm
|
green / blue
|
2.120 - 2.126
|
665 A
|
|
Undersize (0.50)
|
mm
|
brown / white
|
2.239 - 2.245
|
666 B
|
|
|
mm
|
green / white
|
2.245 - 2.251
|
667 B
|
|
|
|
upper crankshaft bearing shell
|
|
Standard size
|
mm
|
brown
|
1.989 - 1.995
|
662 N
|
|
|
mm
|
green
|
1.995 - 2.001
|
663 N
|
|
|
mm
|
white
|
2.001 - 2.007
|
528 N
|
|
Undersize (0.25)
|
mm
|
brown / blue
|
2.114 - 2.120
|
664 A
|
|
|
mm
|
green / blue
|
2.120 - 2.126
|
665 A
|
|
Undersize (0.50)
|
mm
|
brown / white
|
2.239 - 2.245
|
666 B
|
|
|
mm
|
green / white
|
2.245 - 2.251
|
667 B
|
Permitted crankshaft bearing play
|
mm
|
0.015 - 0.043
|
Permitted crankshaft end play
|
mm
|
0.050 - 0.152
|
Permitted out-of-round
|
mm
|
0.03
|
Engine
|
|
X 20 XEV, Y 22 XE, Z 22 XE
|
Crankshaft bearing 3
|
|
lower crankshaft bearing shell
|
(Guide bearing)
|
|
Colour coding
|
Thickness
|
Coding
|
|
|
|
|
|
|
|
|
|
|
|
GM 985
|
|
Standard size
|
mm
|
brown
|
1.989 - 1.995
|
655 N
|
|
|
mm
|
green
|
1.995 - 2.001
|
656 N
|
|
|
mm
|
white
|
2.001 - 2.007
|
126 N
|
|
Undersize (0.25)
|
mm
|
brown / blue
|
2.114 - 2.120
|
657 A
|
|
|
mm
|
green / blue
|
2.120 - 2.126
|
658 A
|
|
Undersize (0.50)
|
mm
|
brown / white
|
2.239 - 2.245
|
659 B
|
|
|
mm
|
green / white
|
2.245 - 2.251
|
660 B
|
|
|
|
upper crankshaft bearing shell
|
|
Standard size
|
mm
|
brown
|
1.989 - 1.995
|
655 N
|
|
|
mm
|
green
|
1.995 - 2.001
|
656 N
|
|
|
mm
|
white
|
2.001 - 2.007
|
126 N
|
|
Undersize (0.25)
|
mm
|
brown / blue
|
2.114 - 2.120
|
657 A
|
|
|
mm
|
green / blue
|
2.120 - 2.126
|
658 A
|
|
Undersize (0.50)
|
mm
|
brown / white
|
2.239 - 2.245
|
659 B
|
|
|
mm
|
green / white
|
2.245 - 2.251
|
660 B
|
Engine
|
|
X 20 XEV, Y 22 XE, Z 22 XE
|
Wide crankshaft bearing 3
|
|
Colour coding
|
Width
|
Coding
|
(Guide bearing)
|
|
|
|
|
|
Standard size
|
mm
|
brown - green
|
25.850 - 25.900
|
-
|
|
|
|
- white
|
|
|
|
Undersize (0.25)
|
mm
|
brown / blue
|
26.050 - 26.100
|
-
|
|
|
|
green / blue
|
|
|
|
Undersize (0.50)
|
mm
|
brown / white
|
26.250 - 26.300
|
-
|
|
|
|
green / white
|
|
|
Engine
|
|
X 20 XEV, Y 22 XE, Z 22 XE
|
Con-rod bearing
|
|
lower con-rod bearing shell
|
|
|
Colour coding
|
Thickness
|
Coding
|
|
|
|
|
|
GM 124
|
|
Standard size
|
mm
|
-
|
1.490 - 1.500
|
623 N
|
|
Undersize (0.25)
|
mm
|
blue
|
1.615 - 1.625
|
624 A
|
|
Undersize (0.50)
|
mm
|
white
|
1.740 - 1.750
|
625 B
|
|
|
|
upper con-rod bearing shell
|
|
Standard size
|
mm
|
-
|
1.490 - 1.500
|
623 N
|
|
Undersize (0.25)
|
mm
|
blue
|
1.615 - 1.625
|
624 A
|
|
Undersize (0.50)
|
mm
|
white
|
1.740 - 1.750
|
625 B
|
Permitted con-rod bearing play
|
mm
|
0.006 - 0.031
|
Illustration
1
|
Index-identification of cylinder bore
|
2
|
Cylinder bore
|
3
|
Double bevelled ring with spiral-type expander
|
4
|
Tapered compression ring or double trapezoidal ring
|
5
|
Rectangular compression ring
|
6
|
Piston diameter
|
|
|
Engine
|
|
X 20 XEV
|
Ø cylinder bore
|
|
|
|
Standard size
|
|
|
|
Coefficient 99
|
mm
|
85.985 - 85.995
|
|
Coefficient 00
|
mm
|
85.995 - 86.005
|
|
Coefficient 01
|
mm
|
86.005 - 86.015
|
|
Index 05
|
mm
|
86.045 - 86.055
|
|
Oversize
1)
|
|
|
|
Index 0 + 0.5
|
mm
|
86.495 - 86.505
|
Ø Piston
|
|
|
|
Standard size
|
|
|
|
Coefficient 99
|
mm
|
85.967 - 85.983
|
|
Coefficient 00
|
mm
|
85.977 - 85.993
|
|
Coefficient 01
|
mm
|
85.987 - 86.003
|
|
Index 05
|
mm
|
86.027 - 86.043
|
|
Oversize
|
|
|
|
Index 0 + 0.5
|
mm
|
86.477 - 86.493
|
Piston clearance
|
mm
|
0.002 - 0.028
|
Piston projection
|
mm
|
0.4
|
Engine
|
|
Y 22 XE, Z 22 XE
|
Ø cylinder bore
|
|
|
|
Standard size
|
|
|
|
Coefficient 8
|
mm
|
85.975 - 85.985
|
|
Coefficient 99
|
mm
|
85.985 - 85.995
|
|
Coefficient 00
|
mm
|
85.995 - 86.005
|
|
Coefficient 01
|
mm
|
86.005 - 86.015
|
|
Coefficient 02
|
mm
|
86.015 -86.025
|
|
Oversize
1)
|
|
|
|
Index 7 + 0.5
|
mm
|
86.465 - 86.475
|
Ø Piston
|
|
|
|
Standard size
|
|
|
|
Coefficient 8
|
mm
|
85.955 - 85.965
|
|
Coefficient 99
|
mm
|
85.965 - 85.975
|
|
Coefficient 00
|
mm
|
85.975 - 85.985
|
|
Coefficient 01
|
mm
|
85.985 - 85.995
|
|
Coefficient 02
|
mm
|
85.995 - 86.005
|
|
Oversize
|
|
|
|
Index 7 + 0.5
|
mm
|
86.445 - 86.455
|
Piston clearance
|
mm
|
0.01 - 0.03
|
Piston projection
|
mm
|
0.4
|
Engine
|
|
X 20 XEV
|
Y 22 XE, Z 22 XE
|
Piston rings
|
|
|
|
|
Rectangular compression ring
|
|
|
|
|
|
Height
|
mm
|
1.50
|
1.20
|
|
|
Gap
|
mm
|
0.30 - 0.50
|
|
|
Vertical play
|
mm
|
0.02 - 0.04
|
0.03 - 0.05
|
|
Tapered compression ring
|
|
|
|
|
|
Height
|
mm
|
1.50
|
|
|
Gap
|
mm
|
0.30 - 0.50
|
|
|
Vertical play
|
mm
|
0.02 - 0.04
|
|
Oil scraper ring
|
|
|
|
|
|
Height
|
mm
|
3.00
|
2.50
|
|
|
Gap
|
mm
|
0.40 - 1.40
|
|
|
Vertical play
|
mm
|
0.01 - 0.03
|
Ring gap distribution
2)
|
°
|
120
|
Engine
|
|
X 20 XEV
|
Y 22 XE, Z 22 SE
|
Piston pin
|
|
|
|
|
Length
|
mm
|
61.20 - 61.50
|
|
Diameter
|
mm
|
20.99 - 21.00
|
|
Bearing
|
|
shrunk in con-rod
|
|
Clearance
|
|
|
|
|
|
in piston
|
mm
|
0.007 - 0.022
|
0.009 - 0.024
|
|
|
in con-rod
|
mm
|
0
|
1 ) After re-boring, the old index must be
invalidated and the new oversizing index must be embossed.
2 ) Arrange gap of upper oil scraper ring 25 to 50
mm offset to the left and gap of the lower ring 25 to 50 mm offset
to the right relative to the gap of the lower intermediate ring.
|