Subaru IMPREZA GD 2007 Series Manual page 2489

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MECHANICAL
8) The replacement procedure for the connecting
rod small end bushing is as follows.
(1) Remove the bushing from connecting rod
with ST and press.
(2) Press the bushing with ST after applying oil
on the periphery of bushing.
ST 499037100 CONNECTING ROD BUSH-
ING REMOVER AND IN-
STALLER
ST
(3) Make two 3 mm (0.12 in) holes in the
pressed bushing by aligning with the pre-manu-
factured holes on the connecting rod, and ream
the inside of the bushing.
(4) After completion of reaming, clean the bush-
ing to remove chips.
6. CRANKSHAFT AND CRANKSHAFT
BEARING
1) Clean the crankshaft completely, and check it for
cracks using liquid penetrant tester. Replace if
faulty.
2) Measure the bend of crankshaft. If it exceeds the
limit, correct it or replace the part.
NOTE:
If a suitable V-block is not available, using just the
#1 and #5 crankshaft bearings on cylinder block,
position the crankshaft on cylinder block. Then,
measure the crankshaft bend using a dial gauge.
Crankshaft bend limit:
0.035 mm (0.0014 in)
Cylinder Block
3) Inspect the crank journal and crank pin for wear.
If they are not within the specification, replace the
bearing with a suitable (undersize) one, and re-
place or grind to correct the crankshaft as neces-
sary. When grinding the crank journal or crank pin,
finish them to the specified dimensions according
to the undersize bearing to be used.
Crank pin:
Out-of-roundness
0.003 mm (0.0001 in)
Cylindricality
0.004 mm (0.0002 in)
Grinding limit
To 51.750 mm (2.0374 in) dia.
Crank journal:
Out-of-roundness
0.005 mm (0.0002 in)
Cylindricality
ME-00182
0.006 mm (0.0002 in)
Grinding limit
To 59.758 mm (2.3527 in) dia.
ME-00183
ME(H4DOTC)-88
ME-00184