1996 SUBARU LEGACY oil

H2M1707B
4) Installation of piston rings and oil ring
(1) Install oil ring spacer, upper rail and lower rail in this
order by hand. Then install second ring and top ring
with a piston ring expander.
(2) Position the top ring gap at A or B in the Figure.
(3) Position the second ring gap at 180°on the reverse
side for the top ring gap.
H2M1708B
(4) Position the upper rail gap at C or D in the Figure.
(5) Position the expander gap at 180°of the reverse
side for the upper rail gap.
(6) Position the lower rail gap at E or F in the Figure.
CAUTION:
Ensure ring gaps do not face the same direction.
Ensure ring gaps are not within the piston skirt area.
B2M1403A
5) Install circlip.
Install circlips in piston holes located opposite service
holes in cylinder block, when positioning all pistons in the
corresponding cylinders.
CAUTION:
Use new circlips.
NOTE:
Piston front mark“
”facer toward front of engine.
66
2-3SERVICE PROCEDURE
7. Cylinder Block

B2M0087A
2. CYLINDER BLOCK
1) Install ST to cylinder block, then install crankshaft bear-
ings.
ST 499817000 ENGINE STAND
CAUTION:
Remove oil the mating surface of bearing and cylinder
block before installation. Also apply a coat of engine
oil to crankshaft pins.
2) Position crankshaft on the #2 and #4 cylinder block.
Tightening torque:
T1: 25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
T2: 47±3 N⋅m (4.8±0.3 kg-m, 34.7±2.2 ft-lb)
67
2-3SERVICE PROCEDURE
7. Cylinder Block

G2M0185
3) Apply fluid packing to the mating surface of #1 and #3
cylinder block, and position it on #2 and #4 cylinder block.
Fluid packing:
THREE BOND 1215 or equivalent
CAUTION:
Do not allow fluid packing to jut into O-ring grooves,
oil passages, bearing grooves, etc.
B2M0088A
4) Temporarily tighten 10 mm cylinder block connecting
bolts in numerical order shown in Figure.
5) Tighten 10 mm cylinder block connecting bolts in
numerical order.
Tightening torque:
47±3 N⋅m (4.8±0.3 kg-m, 34.7±2.2 ft-lb)
B2M0089A
6) Tighten 8 mm and 6 mm cylinder block connecting bolts
in numerical order shown in Figure.
Tightening torque:


1—
7: 25±2 N⋅m
(2.5±0.2 kg-m, 18.1±1.4 ft-lb)


8: 6.4 N⋅m (0.65 kg-m, 4.7 ft-lb)
G2M0186
7) Install rear oil seal by using ST1 and ST2.
ST1 499597100 OIL SEAL GUIDE
ST2 499587200 OIL SEAL INSTALLER
68
2-3SERVICE PROCEDURE
7. Cylinder Block

3. PISTON AND PISTON PIN (#1 AND #2)
B2M0128A
Tightening torque: N⋅m (kg-m, ft-lb)
T: 69±7 (7.0±0.7, 50.6±5.1)
G2M0188
1) Installing piston
(1) Turn cylinder block so that #1 and #2 cylinders face
upward.
(2) Using ST1, turn crankshaft so that #1 and #2 con-
necting rods are set at bottom dead center.
ST1 499987500 CRANKSHAFT SOCKET
(3) Apply a coat of engine oil to pistons and cylinders
and insert pistons in their cylinders by using ST2.
ST2 498747100 PISTON GUIDE
G2M0189
2) Installing piston pin
(1) Insert ST3 into service hole to align piston pin hole
with connecting rod small end.
CAUTION:
Apply a coat of engine oil to ST3 before insertion.
ST3 499017100 PISTON PIN GUIDE
69
2-3SERVICE PROCEDURE
7. Cylinder Block

(2) Apply a coat of engine oil to piston pin and insert
piston pin into piston and connecting rod through ser-
vice hole.
G2M0190
(3) Install circlip.
CAUTION:
Use new circlips.
(4) Install service hole plug and gasket.
CAUTION:
Use a new gasket and apply a coat of fluid packing to
it before installation.
Fluid packing:
THREE BOND 1215 or equivalent
70
2-3SERVICE PROCEDURE
7. Cylinder Block

E: INSTALLATION
1. OIL PUMP AND ENGINE COOLANT PUMP
B2M0124B
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 5 (0.5, 3.6)
T2: 6.4 (0.65, 4.7)
T3: 10 (1.0, 7)
T4: 72±3 (7.3±0.3, 52.8±2.2)
T5: First 12±2 (1.2±0.2, 8.7±1.4)
Second 12±2 (1.2±0.2, 8.7±1.4)
72
2-3SERVICE PROCEDURE
7. Cylinder Block

G2M0084
1) Install baffle plate.
2) Install oil strainer and O-ring
3) Install oil strainer stay.
4) Apply fluid packing to matching surfaces and install oil
pan.
Fluid packing:
THREE BOND 1207C or equivalent
G2M0194
5) Apply fluid packing to matching surfaces and install oil
separator cover.
Fluid packing:
THREE BOND 1215 or equivalent
G2M0161
6) Install flywheel or drive plate.
To lock crankshaft, use ST.
ST 498497100 CRANKSHAFT STOPPER
7) Install housing cover.
G2M0076
8) Installation of oil pump
(1) Discard front oil seal after removal. Replace with a
new one by using ST.
ST 499587100 OIL SEAL INSTALLER
73
2-3SERVICE PROCEDURE
7. Cylinder Block

B2M0390A
(2) Apply fluid packing to matching surface of oil pump.
Fluid packing:
THREE BOND 1215 or equivalent
(3) Install oil pump on cylinder block. Be careful not to
damage oil seal during installation.
CAUTION:
Do not forget to install O-ring and seal when install-
ing oil pump.
Align flat surface of oil pump’s inner rotor with
crankshaft before installation.
G2M0628
9) Install engine coolant pump and gasket.
CAUTION:
Be sure to use a new gasket.
When installing engine coolant pump, tighten bolts
in two stages in numerical sequence as shown in Fig-
ure.
10) Install engine coolant pipe.
11) Install oil filter.
2. RELATED PARTS
1) Install cylinder head and intake manifold.

2) Install timing belt, camshaft sprocket and related parts.

74
2-3SERVICE PROCEDURE
7. Cylinder Block