Subaru Impreza 2002 Service Manual page 218

13) Installing piston:
(1) Turn the cylinder block so that #1 and #2 cyl-
inders face 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 the pistons and
cylinders and insert pistons in their cylinders us-
ing ST2.
ST2 398744300 PISTON GUIDE
14) Installing piston pin:
(1) Insert ST3 into the service hole to align pis-
ton pin hole with connecting rod small end.
CAUTION:
Apply a coat of engine oil to ST3 before inser-
tion.
ST3 499017100 PISTON PIN GUIDE
(2) Apply a coat of engine oil to the piston pin
and insert piston pin into piston and connecting
rod through service hole.
CYLINDER BLOCK
(3) Install the circlip using ST.
NOTE:
Use new circlips.
ST 499897200
(4) Apply fluid packing around the service hole
plug.
Fluid packing:
THREE BOND 1215 or equivalent
S2M0306A
(5) Install the service hole plug and gasket.
CAUTION:
Use a new gasket.
G2M0189
ME(STi)-79
MECHANICAL
PISTON CIRCLIP PLIER
G2M0190
B2M2625
B2M2620