Subaru Legacy IV (2008 year). Service manual — part 503
LU(H6DO)-13
Oil Pan and Strainer
LUBRICATION
6. Oil Pan and Strainer
A: REMOVAL
NOTE:
Before removing the oil pan upper, remove the en-
gine from vehicle. <Ref. to ME(H6DO)-34, RE-
MOVAL, Engine Assembly.> <Ref. to ME(H6DO)-
64, REMOVAL, Cylinder Block.>
1) Set the vehicle on a lift.
2) Lift up the vehicle.
3) Remove the under cover.
4) Drain the engine oil. <Ref. to LU(H6DO)-8, RE-
PLACEMENT, Engine Oil.>
5) Insert an oil pan cutter blade into the gap be-
tween oil pan upper and oil pan lower, and remove
the oil pan.
CAUTION:
Do not use a screwdriver or similar tool in place
of oil pan cutter.
6) Remove the oil pan lower.
7) Remove the oil strainer.
B: INSTALLATION
NOTE:
Before installing the oil pan, wipe and clean the
mating surface of oil pan lower and oil pan upper.
1) Install the oil strainer onto oil pan upper.
NOTE:
Use new O-rings.
Tightening torque:
6.4 N·m (0.7 kgf-m, 4.7 ft-lb)
2) Apply liquid gasket to the mating surfaces of oil
pan, and install the oil pan.
NOTE:
Install within 5 minutes after applying liquid gasket.
Liquid gasket:
THREE BOND 1217G (Part No. K0877Y0100)
or equivalent
Applying liquid gasket diameter:
5.0
r
1.0 mm (0.197
r
0.039 in)
LU-00123
LU-02108
LU-02108
LU-00125
LU(H6DO)-14
Oil Pan and Strainer
LUBRICATION
3) Tighten the oil pan lower installing bolts in the
numerical order as shown in the figure.
Tightening torque:
6.4 N·m (0.7 kgf-m, 4.7 ft-lb)
4) Install the under cover.
5) Lower the vehicle.
6) Refill the engine oil. <Ref. to LU(H6DO)-8, IN-
SPECTION, Engine Oil.>
C: INSPECTION
Visually check that the oil pan, oil strainer and oil
strainer stay are not damaged.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
LU-00126
LU(H6DO)-15
Oil Pressure Switch
LUBRICATION
7. Oil Pressure Switch
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from the battery.
3) Lift up the vehicle.
4) Remove the under cover.
5) Disconnect the terminal from oil pressure switch.
6) Remove the oil pressure switch.
B: INSTALLATION
1) Apply liquid gasket to the oil pressure switch
threads.
Liquid gasket:
THREE BOND 1324 (Part No. 004403042) or
equivalent
2) Install the oil pressure switch.
Tightening torque:
25 N·m (2.5 kgf-m, 18.4 ft-lb)
3) Connect the terminal of the oil pressure switch.
4) Install the under cover.
C: INSPECTION
Make sure oil does not leak or seep from where the
oil pressure switch is installed.
IN-00203
LU-02126
LU-02127
LU-00129
LU-02127
LU-02126
LU(H6DO)-16
Engine Oil Filter
LUBRICATION
8. Engine Oil Filter
A: REMOVAL
CAUTION:
If the engine oil is spilt over exhaust pipe or the
under cover, wipe it off with cloth to avoid emit-
ting smoke or causing a fire.
1) Set the vehicle on a lift.
2) Lift up the vehicle.
3) Remove the under cover.
4) Drain the engine oil. <Ref. to LU(H6DO)-8, RE-
PLACEMENT, Engine Oil.>
5) Remove the oil filter using ST.
ST
4985447000
OIL FILTER WRENCH
B: INSTALLATION
CAUTION:
Do not tighten excessively, or oil may leak.
1) Clean the oil filter installation surface of the oil
cooler.
2) Obtain a new oil filter and apply a thin coat of en-
gine oil to the seal rubber.
3) Install the oil filter turning it by hand, being care-
ful not to damage the seal rubber.
4) Tighten more (approx. 3/4 turn) after the seal
rubber contacts the oil cooler. When using a torque
wrench, tighten to 14 N·m (1.4 kgf-m, 10.3 ft-lb).
5) Install the under cover.
6) Lower the vehicle.
7) Refill the engine oil. <Ref. to LU(H6DO)-8, IN-
SPECTION, Engine Oil.>
C: INSPECTION
1) After installing the oil filter, run the engine and
make sure that no oil is leaking around seal rubber.
NOTE:
The filter element and filter case are permanently
jointed; therefore, interior cleaning is not neces-
sary.
2) Check the engine oil level. <Ref. to LU(H6DO)-
8, INSPECTION, Engine Oil.>
LU-02035
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