Subaru Legacy IV (2008 year). Service manual — part 68
ME(H4SO)-68
Cylinder Block
MECHANICAL
22) Remove the water pipe assembly.
ME-00300
(1)
Service hole plug
(4)
Piston pin
(7)
Seal washer
(2)
Gasket
(5)
Service hole cover
(8)
Washer
(3)
Snap ring
(6)
O-ring
ME-02889
(3)
(4)
(2)
(1)
(3)
(4)
(5)
(6)
(2)
(3)
(2)
(1)
(3)
(4)
(4)
(8)
(7)
(1)
ME(H4SO)-69
Cylinder Block
MECHANICAL
23) Remove the service hole plugs using a hexa-
gon wrench [14 mm].
24) Remove the service hole cover.
25) Rotate the crankshaft to bring #1 and #2 pis-
tons to bottom dead center position, then remove
the piston snap ring through service hole of #1 and
#2 cylinders.
26) Draw out the piston pin from #1 and #2 pistons
using ST.
ST
499097700
PISTON PIN REMOVER
NOTE:
Be careful not to confuse the original combination
of piston, piston pin and cylinder.
27) Similarly draw out the piston pins from #3 and
#4 pistons.
28) Remove the cylinder block connecting bolt on
the RH side.
29) Loosen the cylinder block connecting bolt on
the LH side by 2-3 turns.
30) Set the part so that the cylinder block LH is on
the upper side, and remove the cylinder block con-
necting bolt.
ME-00140
ME-00141
ME-03325
ST
ME(H4SO)-70
Cylinder Block
MECHANICAL
31) Separate the cylinder block LH and RH.
NOTE:
When separating the cylinder block, do not allow
the connecting rod to fall or damage the cylinder
block.
32) Remove the rear oil seal.
33) Remove the crankshaft along with the connect-
ing rods.
34) Remove the crankshaft bearings from cylinder
block using a hammer handle.
NOTE:
• Press the crankshaft bearing at the end opposite
to locking lip to remove.
• Be careful not to confuse the crankshaft bearing
combination.
35) Remove each piston from the cylinder block us-
ing a wooden bar or hammer handle.
NOTE:
Be careful not to confuse the original combination
of piston and cylinder.
(1)
Cylinder block
(4)
Crankshaft bearing
(6)
Seal washer
(2)
Rear oil seal
(5)
Piston
(7)
Washer
(3)
Crankshaft
ME-02890
(2)
(3)
(4)
(4)
(5)
(6)
(5)
(1)
(1)
(7)
ME(H4SO)-71
Cylinder Block
MECHANICAL
B: INSTALLATION
1) Remove oil on the mating surface of cylinder
block before installation. Apply a coat of engine oil
to the bearing and crankshaft journal.
2) Position the crankshaft and O-ring on the cylin-
der block RH.
NOTE:
Use new O-rings.
3) Apply liquid gasket to the mating surfaces of cyl-
inder block RH, and position the cylinder block LH.
NOTE:
• Install within 5 minutes after applying liquid gas-
ket.
• Do not allow liquid gasket to jut into O-ring
grooves, oil passages, bearing grooves, etc.
Liquid gasket:
THREE BOND 1217G (Part No. K0877Y0100)
or equivalent
(1)
Crankshaft bearing
(4)
Rear oil seal
(6)
Seal washer
(2)
Crankshaft
(5)
O-ring
(7)
Washer
(3)
Cylinder
block
ME-03186
(4)
(1)
(3)
(6)
(6)
(7)
(7)
(3)
(2)
(5)
(6)
(7)
ME-00145
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