Subaru Legacy IV (2008 year). Manual - part 90

LU(H4SO)-17

Oil Pan and Strainer

LUBRICATION

18) Insert the oil pan cutter blade into the gap be-
tween cylinder block and oil pan, and remove the
oil pan.

CAUTION:
Do not use a screwdriver or similar tool in place
of oil pan cutter.
19) Remove the oil strainer.
20) Remove the baffle plate.

B: INSTALLATION

NOTE:
Before installing the oil pan, clean the mating sur-
face of oil pan and engine block.
1) Make sure that the seals (A) are installed se-
curely on the baffle plate in a direction as shown in
the figure below.

NOTE:
Use new seals.

2) Install the baffle plate.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

3) Install the oil strainer to the cylinder block.

NOTE:
Use new O-rings.

Tightening torque:

10 N·m (1.0 kgf-m, 7.4 ft-lb)

4) Tighten the oil strainer stay together with the baf-
fle plate.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

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

NOTE:
• Use a new gasket.
• Install within 5 min. after applying liquid gasket.

Liquid gasket:

THREE BOND 1217G (Part No. K0877Y0100) 
or equivalent

(A) Oil pan

(B) Oil strainer

(C) Baffle plate

(D) Cylinder block

(A)

(C)

(D)

(B)

LU-02334

(A) Gasket

LU-00052

(A)

LU-02353

(A)

LU(H4SO)-18

Oil Pan and Strainer

LUBRICATION

6) Tighten the bolts which install oil pan to cylinder
block.

Tightening torque:

T1: 5 N·m (0.5 kgf-m, 3.7 ft-lb)
T2: 6.4 N·m (0.7 kgf-m, 4.7 ft-lb)
T3: 10 N·m (1.0 kgf-m, 7.4 ft-lb)

7) Lower the engine onto front crossmember.
8) Tighten the nuts which install engine mount onto
front crossmember.

NOTE:
Make sure that the engine mount nuts (A) and loca-
tor (B) are securely installed.

Tightening torque:

85 N·m (8.7 kgf-m, 62.7 ft-lb)

• Non-turbo model

• Turbo model

9) Install the front exhaust pipe. <Ref. to
EX(H4SO)-5, INSTALLATION, Front Exhaust
Pipe.> <Ref. to EX(H4DOTC)-6, INSTALLATION,
Front Exhaust Pipe.>
10) Install the under cover.
11) Lower the vehicle.

CAUTION:
When lowering the vehicle, lower the lift up de-
vice and wire ropes at the same time.
12) Remove the lifting device and wire ropes.

13) Install the pitching stopper.

Tightening torque:

T1: 50 N·m (5.1 kgf-m, 36.9 ft-lb)
T2: 58 N·m (5.9 kgf-m, 42.8 ft-lb)

(A) Oil pan

(B) Oil strainer

(C) Baffle plate

(D) Cylinder block

T2

T2

T3

T1

(A)

(C)

(D)

(B)

T1

LU-02335

ME-02651

(B)

(A)

(B)

(A)

ME-03460

(A) (B)

(B) (A)

LU-00222

T2

T1

AT-03878

LU(H4SO)-19

Oil Pan and Strainer

LUBRICATION

14) Install the hood stay holder (A) and radiator up-
per brackets (B).

Tightening torque:

(A): 7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
(B): 12 N·m (1.2 kgf-m, 8.9 ft-lb)

15) Install the intercooler. (Turbo model) <Ref. to
IN(H4DOTC)-13, INSTALLATION, Intercooler.>
16) Install the air intake boot. (Turbo model)

Tightening torque:

2.5 N·m (0.3 kgf-m, 1.8 ft-lb)

17) Install the air intake chamber. (Non-turbo mod-
el) <Ref. to IN(H4SO)-7, INSTALLATION, Air In-
take Chamber.>
18) Install the air intake duct. <Ref. to IN(H4SO)-8,
INSTALLATION, Air Intake Duct.> <Ref. to
IN(H4DOTC)-9, INSTALLATION, Air Intake Duct.>
19) Connect the connector to the mass air flow and
intake air temperature sensor. (Non-turbo model)
20) Connect the ground cable to battery.

21) Install the collector cover. (Turbo model)
22) Refill the engine oil. <Ref. to LU(H4SO)-9, IN-
SPECTION, Engine Oil.>

C: INSPECTION

Visually check that the oil pan, oil strainer and baf-
fle plate are not damaged.

LU-00232

(A)

(B)

(B)

LU-02397

IN-00203

LU(H4SO)-20

Oil Pressure Switch

LUBRICATION

6. Oil Pressure Switch

A: REMOVAL

1) Remove the collector cover. (Turbo model)
2) Disconnect the ground cable from battery.

3) Remove the generator from the bracket. <Ref. to
SC(H4SO)-14, REMOVAL, Generator.>
4) Disconnect the terminal from oil pressure switch.

5) 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 to the cylinder
block.

Tightening torque:

25 N·m (2.5 kgf-m, 18.4 ft-lb)

3) Connect the terminal to the oil pressure switch.

4) Install the generator to the bracket. <Ref. to
SC(H4SO)-14, INSTALLATION, Generator.>

IN-00203

LU-00036

LU-00037

LU-00038

LU-00037

LU-00036