Subaru Legacy III (2000-2003 year). Service manual — part 289
LU(H6DO)-16
LUBRICATION
OIL PRESSURE SWITCH
7. Oil Pressure Switch
A: REMOVAL
1) Set vehicle on the lift.
2) Disconnect battery ground cable.
3) Lift-up the vehicle.
4) Remove under cover. <Ref. to EI-13, REMOV-
AL, Front Under Cover.>
5) Disconnect terminal from oil pressure switch.
6) Remove oil pressure switch.
B: INSTALLATION
1) Apply liquid gasket to oil pressure switch
threads.
Liquid gasket:
THREE BOND 1324 or equivalent
2) Install oil pressure switch.
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)
3) Connect terminal of oil pressure switch.
4) Install under cover. <Ref. to EI-13, INSTALLA-
TION, Front Under Cover.>
C: INSPECTION
Make sure oil does not leak or seep from where the
oil pressure switch is installed.
IN-00068
LU-00127
LU-00128
LU-00129
LU-00128
LU-00127
LU(H6DO)-17
LUBRICATION
ENGINE OIL FILTER
8. Engine Oil Filter
A: REMOVAL
1) Drain engine oil by loosening engine oil drain
plug.
2) Remove under cover. <Ref. to EI-13, REMOV-
AL, Front Under Cover.>
3) Remove oil filter with ST.
ST
498547000
OIL FILTER WRENCH
B: INSTALLATION
1) Get a new oil filter and thinly apply engine oil to
the rubber seal.
2) Install oil filter by turning it by hand, being careful
not to damage rubber seal.
3) Tighten more (approximately 3/4 turn) after the
rubber seal contacts the oil cooler. Do not tighten
excessively, or oil may leak.
4) Refill engine oil. <Ref. to LU(H6DO)-9, INSPEC-
TION, Engine Oil.>
C: INSPECTION
1) After installing oil filter, run engine and make
sure that no oil is leaking around rubber seal.
NOTE:
The filter element and filter case are unified; there-
fore, interior cleaning is not necessary.
2) Check the engine oil level. <Ref. to LU(H6DO)-
9, INSPECTION, Engine Oil.>
LU-00112
LU-00131
LU(H6DO)-18
LUBRICATION
OIL COOLER
9. Oil Cooler
A: REMOVAL
1) Lift-up the vehicle.
2) Remove under cover. <Ref. to EI-13, REMOV-
AL, Front Under Cover.>
3) Drain engine coolant completely. <Ref. to
CO(H6DO)-22, DRAINING OF ENGINE COOL-
ANT, REPLACEMENT, Engine Coolant.>
4) Drain engine oil. <Ref. to LU(H6DO)-9, RE-
PLACEMENT, Engine Oil.>
5) Remove bolts which installs water pipe to en-
gine.
6) Disconnect water hoses from oil cooler.
7) Remove oil filter using ST. <Ref. to LU(H6DO)-
17, REMOVAL, Engine Oil Filter.>
ST
498547000
OIL FILTER WRENCH
NOTE:
Set container under the vehicle.
8) Remove connector and remove oil cooler.
B: INSPECTION
1) Check that coolant passages are not clogged
using air blow method.
2) Check upper oil pan and the installation surface
of oil filter O-ring for damage.
LU-00132
LU-00133
LU-00134
(A) Connector
(B) Oil cooler
(C) O-ring
LU-00135
( A )
( B )
( C )
LU(H6DO)-19
LUBRICATION
OIL COOLER
C: INSTALLATION
1) Install oil cooler on upper oil pan with connector
pipe.
Tightening torque:
T: 54 N·m (5.5 kgf-m, 39.8 ft-lb)
NOTE:
Always use a new O-ring.
2) Install oil filter using ST. <Ref. to LU(H6DO)-17,
INSTALLATION, Engine Oil Filter.>
ST
498547000
OIL FILTER WRENCH
3) Install water hose.
4) Install water pipe to engine.
Tightening torque:
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
5) Fill engine oil. <Ref. to LU(H6DO)-9, REPLACE-
MENT, Engine Oil.>
6) Fill engine coolant. <Ref. to CO(H6DO)-22,
FILLING OF ENGINE COOLANT, REPLACE-
MENT, Engine Coolant.>
7) Check the engine oil level. <Ref. to LU(H6DO)-
9, INSPECTION, Engine Oil.>
(A) Connector
(B) Oil cooler
(C) O-ring
LU-00136
( A )
( B )
( C )
T
LU-00134
LU-00133
LU-00132
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