Subaru Legacy 2005 Service Manual page 1143

20) Installation of piston:
(1) Place the #1 and #2 cylinder 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 the pistons and
cylinders and insert pistons in their cylinders us-
ing ST2.
ST2 398744300 PISTON GUIDE
ST2
NOTE:
Piston front mark faces towards the front of engine.
(A) Front mark
21) Installing piston pin:
(1) Apply a coat of engine oil to ST3 before in-
sertion, and then insert it into the service hole to
align piston pin hole with connecting rod small
end.
ST3 499017100 PISTON PIN GUIDE
ST1
Cylinder Block
ST1
ME-00157
(A)
ME-00722
ST3
ME-00158
ME(H4DOTC)-77
(2) Apply a coat of engine oil to piston pin, and
insert the piston pin into piston and connecting
rod through service hole.
(3) Install the snap ring.
NOTE:
Use new snap rings.
(4) Apply liquid gasket around the service hole
plug.
Liquid gasket:
THREE BOND 1215 (Part No. 004403007) or
equivalent
(5) Install the service hole plug and gasket.
NOTE:
Use a new gasket.
MECHANICAL
ME-00159
ME-00160
ME-00140