Subaru Impreza 2003 Service Manual page 285

NOTE:
Using STs, remove the flywheel. (2.5 L MT model)
ST1 498497100 CRANKSHAFT STOPPER
ST2 499057000 TORX PLUS
(A)
ST1
(A) Flywheel
17) Remove the oil separator cover.
18) Remove the water by-pass pipe for heater.
19) Loosen the bolts in alphabetical sequence as
shown in the figure, and then remove the water
pump.
(E)
(D)
(C)
20) Remove the oil pump from cylinder block.
Use a flat-bladed screwdriver as shown in the fig-
ure when removing oil pump.
CAUTION:
Be careful not to scratch the mating surface of
cylinder block and oil pump.
CYLINDER BLOCK
ST2
ME-00382
(F)
(A)
(B)
ME-00333
ME-00138
ME(H4SO)-73
21) Removal of oil pan
(1) Turn the cylinder block to face the #2 and #4
piston sides upward.
(2) Remove the bolts which secure the oil pan
to cylinder block.
(3) Insert a oil pan cutter blade between cylin-
der block-to-oil pan clearance, and then remove
the oil pan.
NOTE:
Do not use a screwdriver or similar tool in place of
oil pan cutter.
22) Remove the oil strainer stay.
23) Remove the oil strainer.
24) Remove the baffle plate.
25) Remove the oil filter using ST.
ST 498547000 OIL FILTER WRENCH
26) Remove the water pipe.
MECHANICAL
ME-00137
ME-00299
ME-00300