Subaru Legacy 2003 Service Manual page 273

MECHANICAL
( 1 )
(1) Piston
(2) Piston pin
(3) Circlip
15) Installing piston
(1) Turn the cylinder block to face the #1 and #2
piston side upward.
(2) Using the ST1, turn the crankshaft so that
#1 and #2 connecting rods are set at bottom
dead center.
ST1 499987500 CRANKSHAFT SOCKET
(3) Apply a coat of engine oil to pistons and cyl-
inders, and then insert the pistons in their cylin-
ders using ST2.
ST2 398744300 PISTON GUIDE (2000 cc
model)
ST2 498747300 PISTON GUIDE (2500 cc
model)
ST2
16) Installing piston pin
(1) Apply a coat of engine oil to the ST3 before
insertion.
(2) Insert the ST3 into service hole to align pis-
ton pin hole with connecting rod small end.
CYLINDER BLOCK
( 5 )
( 4 )
( 3 )
( 2 )
(4) Gasket
(5) Service hole plug
ST1
ME-00157
ME(H4SO)-76
T
( 5 )
( 4 )
( 3 )
( 2 )
Tightening torque: N·m (kgf-m, ft-lb)
T: 70 (7.0, 50.6)
ST3 499017100 PISTON PIN GUIDE
ST1
(3) Apply a coat of engine oil to the piston pin,
and then insert the piston pin into piston and
connecting rod through service hole.
(4) Install the circlip.
NOTE:
Use new circlips.
ST3 499897200 PISTON SNAPRING PLIER
( 1 )
ME-00155
ST3
ME-00158
ME-00159