Subaru Legacy (2005 year). Manual - part 417

LU(H6DO)-11

LUBRICATION

Oil Pan and Strainer

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)-
65, 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)-7, RE-
PLACEMENT, Engine Oil.>
5) Insert the oil pan cutter blade between oil pan
upper and oil pan lower.

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

CAUTION:
Before installing the oil pan, wipe clean the 
mating surface of oil pan lower and oil pan up-
per.
1) Install the oil strainer onto oil pan upper.

NOTE:
Replace the O-ring with a new one.

Tightening torque:

6.4 N

⋅

m (0.65 kgf-m, 4.7 ft-lb)

2) Apply liquid gasket to the mating surfaces, and
install the oil pan.

Liquid gasket:

THREE BOND 1280B (Part No. K0877YA018)

Liquid gasket applying diameter:

5.0

±

1.0 mm (0.197

±

0.039 in)

LU-00123

LU-02108

LU-02108

LU-00125

LU(H6DO)-12

LUBRICATION

Oil Pan and Strainer

3) Tighten the oil pan lower installing bolts in the
numerical order as shown in the figure.

Tightening torque:

6.4 N

⋅

m (0.65 kgf-m, 4.7 ft-lb)

4) Install the under cover.
5) Fill engine oil. <Ref. to LU(H6DO)-7, INSPEC-
TION, Engine Oil.>

C: INSPECTION

Visually check the oil pan, oil strainer and oil strain-
er stay for damage.

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

LU-00126

LU(H6DO)-13

LUBRICATION

Oil Pressure Switch

7. Oil Pressure Switch

A: REMOVAL

1) Set the vehicle on a lift.
2) Disconnect the ground cable from 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 oil pressure switch.

4) Install the under cover.

C: INSPECTION

Check that no oil is leaking or seeping from where
the oil pressure switch is installed.

IN-00203

LU-00127

LU-00128

LU-00129

LU-00128

LU-00127

LU(H6DO)-14

LUBRICATION

Engine Oil Filter

8. Engine Oil Filter

A: REMOVAL

1) Lift-up the vehicle.
2) Drain the engine oil by removing engine oil drain
plug.

3) Remove the under cover.
4) Remove the oil filter using ST.
ST

4985447000

OIL FILTER WRENCH

B: INSTALLATION

1) Clean the oil filter installing surface of 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 further (approx. 3/4 turn) after the seal
rubber contacts oil cooler. Do not tighten exces-
sively, or oil may leak.
5) Install the under cover.
6) Lower the vehicle.
7) Fill engine oil. <Ref. to LU(H6DO)-7, INSPEC-
TION, Engine Oil.>

C: INSPECTION

1) After installing the oil filter, run engine and make
sure that no oil is leaking around the 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)-
7, INSPECTION, Engine Oil.>

LU-02011

LU-02035