Subaru Legacy III (2000-2003 year). Manual - part 65

ME(H4SO)-72

MECHANICAL

CYLINDER BLOCK

B: INSTALLATION

NOTE:
Remove oil in the mating surface of bearing and
cylinder block before installation. Also apply a coat
of engine oil to crankshaft pins.
1) Position the crankshaft on #2 and #4 cylinder
block.
2) Apply fluid packing to the mating surface of #1
and #3 cylinder block, and position it on #2 and #4
cylinder block.

Fluid packing:

Part No. 004403007

THREE BOND 1215 or equivalent

NOTE:
Do not allow fluid packing to jut into O-ring grooves,
oil passages, bearing grooves, etc.

(1) Crankshaft bearing

(3) Cylinder block

(4) Rear oil seal

(2) Crankshaft

ME-00144

( 1 )

( 2 )

( 3 )

( 4 )

ME-00145

ME(H4SO)-73

MECHANICAL

CYLINDER BLOCK

3) Tighten the 10 mm cylinder block connecting
bolts in alphabetical sequence shown in the figure.
(LH side)

Tightening torque:

15 N·m (1.5 kgf-m, 10.8 ft-lb)

4) Tighten the 10 mm cylinder block connecting
bolts in alphabetical sequence shown in the figure.
(RH side)

Tightening torque:

15 N·m (1.5 kgf-m, 10.8 ft-lb)

5) Further tighten the LH side bolts (A — D) to 90

in alphabetical sequence.

6) Further tighten the RH side bolts (E — J) to 90

in alphabetical sequence.

7) Tighten the 8 mm and 6 mm cylinder block con-
necting bolts in alphabetical sequence shown in the
figure.

Tightening torque:

(A) — (G): 25 N·m (2.5 kgf-m, 18.1 ft-lb)
(H): 6.4 N·m (0.65 kgf-m, 4.7 ft-lb)

8) Install the rear oil seal using ST1 and ST2.
ST1

499597100

OIL SEAL GUIDE

ST2

499587200

OIL SEAL INSTALLER

9) Position the top ring gap at (A) or (B) in the fig-
ure.

( A )

( B )

( C )

( D )

ME-00398

( F )

( E )

( I )

( G )

( H )

( J )

ME-00399

( A )

( B )

( C )

( D )

ME-00398

(A) Rear oil seal

(B) Flywheel attaching bolt

( F )

( E )

( I )

( G )

( H )

( J )

ME-00399

ME-00147

( A )

( B )

( C )

( D )

( E )

( F )

( G )

( H )

ME-00148

( A )

( B )

ST1

ST2

ME(H4SO)-74

MECHANICAL

CYLINDER BLOCK

10) Position the second ring gap at 180

on the re-

verse side for top ring gap.
• 2000 cc MODEL

• 2500 cc MODEL

11) Position the expander gap at (C) in the figure.
• 2000 cc MODEL

• 2500 cc MODEL

12) Position the lower rail gap at (D) in the figure.
• 2000 cc MODEL

• 2500 cc MODEL

NOTE:
Align the lower rail stopper (F) to the lateral hole (E)
on the piston.

13) Position the upper rail gap at (G) in the figure.
• 2000 cc MODEL

ME-00383

180˚

B0SH

( A )

( B )

ME-00691

5SH

180˚

( A )

( B )

ME-00384

B0SH

( C )

ME-00841

5SH

(C)

ME-00385

25˚

B0SH

( D )

ME-00402

25˚

5SH

( D )

ME-00304

( E )

( F )

(G)

B0SH

ME-00414

ME(H4SO)-75

MECHANICAL

CYLINDER BLOCK

• 2500 cc MODEL

NOTE:
• Ensure ring gaps do not face the same direction.
• Ensure ring gaps are not within the piston skirt
area.
14) Install circlip.
Install circlips in the piston holes located opposite
service holes in cylinder block, when positioning all
pistons in the corresponding cylinders.

NOTE:
Use new circlips.

CAUTION:
Piston front mark faces towards the front of the
engine.
• 2000 cc MODEL

• 2500 cc MODEL

(A) Front side

ME-00415

5SH

(G)

ME-00692

( A )

ME-00387

B0SH

( A )

(A) Front mark

ME-00404

5SH

( A )

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