Subaru 2002 IMPREZA Service Manual page 196

CYLINDER BLOCK
MECHANICAL
#1, #3, #5
#2, #4
Unit: mm (in)
Standard
0.03 (0.0012)
undersize
0.05 (0.0020)
undersize
59.992
-
60.008
(2.361 9
-
2.3625)
Journal O.D.
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59.992
-
60.008
(2.3619
-
2.3625)
47.984
-
48.000
(1.8891
-
1.8898)
0.25 (0.0098)
undersize
Bearing size
(Thickness at cen-
ter)
1.998
-
2.01 1
(0.0787
-
0.0792)
2.000
-
2.01 3 1.492-1.510
(0.0787 - 0.0793) (0.0587 - 0.0591)
59.962
-
59.978
(2.3607
-
2.361 3)
2.01 7
-
2.020
(0.0794
-
0.0795)
Journal O.D.
Bearing size
(Thickness at cen-
ter)
59.962
-
59.978
(2.3607
-
2.361 3)
47.954
-
47.970
(1.8879
-
1.8886)
2.019
-
2.022 1.510- 1.513
(0.0795
-
0.0796) (0.0594
-
0.0596)
59.942
-
59.958
(2.3599
-
2.3605)
2.027
-
2.030
(0.0798
-
0.0799)
Journal O.D.
Bearing size
(Thickness at cen-
ter)
59.942
-
59.958
(2.3599 - 2.3605)
2.029
-
2.032
(0.0799
-
0.0800)
47.934
-
47.950
(1.8872 - 1.8878)
1.520
-
1.523
(0.0598
-
0.0600)
O.D.: Outer Diameter
4) Measure the thrust clearance of crankshaft at
center bearing. If the clearance exceeds the limit,
replace the bearing.
Crankshaft thrust clearance:
Standard
Limit
0.030
-
0.115 mm (0.0012
-
0.0045 in)
0.25 mm (0.0098 in)
59.742
-
59.758
(2.3520
-
2.3527)
59.742
-
59.758
(2.3520
-
2.3527)
Journal O.D.
Bearing size
(Thickness at cen-
ter)
2.127-2.130 2.129
-
2.132
(0.0837
-
0.0839) (0.0838
-
0.0839)
EN0341
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5) Inspect individual crankshaft bearings for signs
of flaking, seizure, melting, and wear.
47.734
-
47.750
(1.8793
-
1.8799)
1.620
-
1.623
(0.0638
-
0.0639)
6) Measure the oil clearance on each crankshaft
bearing by means of plastigauge. If the measure-
ment is not within the specification, replace the de-
fective bearing with an undersize one, and replace
or recondition the crankshaft as necessary.
Standard
I
Unit: mm fin)
I
0.01 0
-
0.030 (0.0004
-
0.001 2)
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Limit
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0.040 (0.0016)
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ME(D0HC TURBO)-90