Subaru IMPREZA 2002 Service Manual page 185

CYLINDER BLOCK
MECHANICAL
3) Inspect the crank journal and crank pin for wear.
If they are not within the specifications, replace the
bearing with a suitable (undersize) one, and re-
When grinding the crank journal or crank pin, finish
them to the specified dimensions according to the
undersize bearina to be used.
6. CRANKSHAFT AND CRANKSHAFT
BEARING
cracks by
Of
red lead check etc.9 and re-
place if defective.
2) Measure the crankshaft bend, and correct or re-
i ) clean the crankshaft completely and check for
place or recondition crankshaft as necessary.
Journal O.D.
Bearing size
terl
(Thickness at
place if it exceeds the limit.
CAUTION:
If a suitable V-block is not available, install #1
and #5 crankshaft bearing on cylinder block,
position crankshaft on these bearings and mea-
sure the crankshaft bend using a dial gauge.
Crankshaft bend limit:
0.035 mm (0.0014 in)
Crank journal diameter
#I,
#3 #2, #4, #5
Crank pin diameter
59.992 - 60.008 59.992
-
60.008 51.984
-
52.000
(2.361 9 - 2.3625) (2.3619 - 2.3625) (2.0466
-
2.0472)
2.000 - 2.01 3
(0.0787
-
0.0792) (0.0787
-
0.0793) (0.0587 - 0.0591)
1.998
-
2.01 1 1.492 - 1.501
"
59.962
-
59.978
(2.3607
-
2.3613)
Journal O.D.
Crank pin and crank journal:
Out-o f-roundness
Taper limit
Grinding limit
0.020 mm (0.0008 in) or less
0.07 mm (0.0028 in)
0.250 mm (0.0098 in)
59.962
-
59.978
(2.3607
-
2.3613)
51.954
-
51.970
(2.0454 - 2.0461)
G2M0179
Bearing size
(Thickness at
ter)
I
I
Unit: mm (in)
2.017
-
2.020 2.019
-
2.022 1.510 - 1.513
(0.0794
-
0.0795) (0.0795 - 0.0796) (0.0594 - 0.0596)
Standard
Journal O.D.
0.03 (0.0012)
undersize
59.942
-
59.958 59.942 - 59.958 51.934 - 51.950
(2.3599
-
2.3605) (2.3599 - 2.3605) (2.0446 - 2.0453)
0.05 (0.0020)
undersize
Bearing size
ter)
(Thickness at
Journal O.D.
Bearing size
ter)
(Thickness at cen-
0.25 (0.0098)
undersize
2.029 - 2.032
(0.0798 - 0.0799) (0.0799
-
0.0800) (0.0598 - 0.0600)
59.742
-
59.758 59.742 - 59.758 51.734 - 51.750
(2.3520
-
2.3527) 42.3520
-
2.3527) (2.0368
-
2.0374)
2.127
-
2.130 2.129-2.132 1.620
-
1.623
(0.0837
-
0.0839) (0.0838
-
0.0839) (0.0638
-
0.0639)
1.520
-
1.523
2.027 - 2.030
O.D.: Outer Diameter
ME( S0HC)-87