Subaru Legacy III (2000-2003 year). Manual - part 64

ME(H4SO)-68

MECHANICAL

CYLINDER BLOCK

ST1

498497100

CRANKSHAFT STOPPER

ST2

499057000

TORX PLUS

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 water pump.

20) Remove the oil pump from cylinder block.
Use a flat-bladed screwdriver as shown in the fig-
ure when removing oil pump.

NOTE:
Be careful not to scratch the mating surface of cyl-
inder block and oil pump.

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 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

(A) Flywheel

ME-00382

ST1

ST2

( A )

ME-00333

( A )

( B )

( C )

( D )

( E )

( F )

ME-00138

ME-00137

ME-00299

ST

ME(H4SO)-69

MECHANICAL

CYLINDER BLOCK

26) Remove the water pipe.

ME-00300

(1) Service hole plug

(3) Circlip

(5) Service hole cover

(2) Gasket

(4) Piston pin

(6) O-ring

ME-00139

( 1 )

( 2 )

( 3 )

( 3 )

( 4 )

( 4 )

( 5 )

( 6 )

( 1 )

( 2 )

( 3 )

( 4 )

( 1 )

( 2 )

( 3 )

( 4 )

ME(H4SO)-70

MECHANICAL

CYLINDER BLOCK

27) Remove the service hole cover and service
hole plugs using hexagon wrench [14 mm (0.55
in)].

28) Rotate the crankshaft to bring #1 and #2 pis-
tons to bottom dead center position, and then re-
move the piston circlip through service hole of #1
and #2 cylinders.
ST

499897200

PISTON SNAP RING PLIER

29) 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.

30) Similarly remove the piston pins from #3 and #4
pistons.
31) Remove the bolts which connect cylinder block
on the side of #2 and #4 cylinders.
32) Back off the bolts which connect cylinder block
on the side of #1 and #3 cylinders two or three
turns.

33) Set up the cylinder block so that #1 and #3 cyl-
inders are on the upper side, and then remove the
cylinder block connecting bolts.
34) Separate the cylinder blocks (RH) and (LH).

NOTE:
When separating the cylinder block, do not allow
the connecting rod to fall and damage the cylinder
block.

ME-00140

ME-00141

ME-00142

ST

ME(H4SO)-71

MECHANICAL

CYLINDER BLOCK

35) Remove the rear oil seal.
36) Remove the crankshaft together with connect-
ing rod.
37) Remove the crankshaft bearings from cylinder
block using hammer handle.

NOTE:
Do not confuse the combination of crankshaft bear-
ings. Press bearing at the end opposite to locking
lip.
38) Draw out each piston from cylinder block using
wooden bar or hammer handle.

NOTE:
Do not confuse the combination of piston and cylin-
ders.

(1) Cylinder block

(3) Crankshaft

(5) Piston

(2) Rear oil seal

(4) Crankshaft bearing

ME-00143

( 1 )

( 1 )

( 2 )

( 3 )

( 4 )

( 4 )

( 5 )

( 5 )