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Subaru Impreza 2004 - Page 172

Subaru Impreza 2004
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ME(H4SO)-76
MECHANICAL
Cylinder Block
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 498747000 PISTON GUIDE
(1.6 L model)
ST2 398744300 PISTON GUIDE
(2.0 L model)
ST2 498747300 PISTON GUIDE
(2.5 L model)
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.
ST3 499017100 PISTON PIN GUIDE
(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 CIRCLIP PLIER
(5) Apply fluid packing around the service hole
plug.
(1) Piston (4) Gasket Tightening torque: N·m (kgf-m, ft-lb)
(2) Piston pin (5) Service hole plug T: 70 (7.0, 50.6)
(3) Circlip
ME-00155
(1)
(1)
(2)
(2)
(3)
(3)
(4)
(4)
(5)
(5)
T
ME-00157
ST2
ST1
ME-00158
ST1
ST3
ME-00159

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