Subaru 2002 IMPREZA Service Manual page 195

MECHANICAL
CYLINDER BLOCK
6) Inspect the bushing at connecting rod small end,
and replace if worn or damaged. Also measure the
piston pin clearance at the connecting rod small
end.
Clearance between piston pin and bushing:
Standard
Limit
0
-
0.022 mm (0
-
0.0009 in)
0.030 mm (0.0012 in)
ST
U
B2M0084
7) Replacement procedure 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.
499037100 CONNECTING ROD BUSH-
ING REMOVER AND IN-
STALLER
(3) Make two 3 mm (0.12 in) holes in bushing.
Ream the inside of 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 for
cracks by means of red lead check etc., and re-
place if defective.
2) Measure the crankshaft bend, and correct or re-
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)
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-
place or recondition crankshaft as necessary.
When grinding the crank journal or crank pin, finish
them to the specified dimensions according to the
undersize bearing to be used.
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)
G2M0179
ME(D0HC TURBO)-89