Engine Lubrication System (Except For STI): General Description: Specification

ENGINE LUBRICATION SYSTEM SPECIFICATION

Lubrication Method

Forced Lubrication

Oil Pump

Pump Type

Trochoid Type

Number of Teeth

Inner Rotor

Outer Rotor

Outer Rotor Diameter X Thickness

mm (in)

77 x 14 (3.03 x 0.55)

Performance
(Oil Temperature 120°C (248°F))

600 r/min

Discharge Pressure

kPa (kg/cm² , psi)

35 (0.4, 5.1)

Discharge Rate

L (US qt, Imp qt)/min

7.4 (7.8, 6.5) or more

6, 700 r/min

Discharge Pressure

kPa (kg/cm² , psi)

321 (3.3, 46.6)

Discharge Rate

L (US qt, Imp qt)/min

60.2 (63.6, 53.0) or more

Relief Valve Working Pressure

kPa (kg/cm² , psi)

700 (7.1, 102)

Oil Filter⁽¹⁾

Filter Type

Full-Flow Filter Type

Filtration area

cm² (sq in)

900 (139.5)

By-Pass Valve Opening Pressure

kPa (kg/cm² , psi)

160 (1.6, 23.2)

Outer diameter x Width

mm (in)

80 x 65 (3.15 x 2.55)

Installation screw specifications

M 20 x 1.5

Oil Pressure Switch

Type

Immersed Contact Point Type

Operating Voltage

12 V

Warning Light Operating Pressure

kPa (kg/cm² , psi)

14.7 (0.1, 2.1)

Proof Pressure

kPa (kg/cm² , psi)

981 (10, 142.2)

Engine Oil

Total Capacity (at overhaul)

L (US qt, Imp qt)

6.0 (6.3, 5.3)

When replacing Engine Oil and Oil Filter

L (US qt, Imp qt)

5.1 (5.4, 4.5)

When replacing Engine Oil only

L (US qt, Imp qt)

4.9 (5.2, 4.3)

⁽¹⁾	Do Not use any oil filters other than that of 80 mm (3.15 in) dia. x 65 mm (2.55 in) height.

Specified Oil:

CAUTION:

Use 5W-30 (Synthetic Oil).
It is acceptable to fill an engine with oil of another brand when replacing the oil, but make sure to use the following engine oil specified by Subaru.

NOTE: The proper viscosity oil helps the engine maintain its ideal temperature, and cranking speed increased by reducing viscosity friction in hot condition.

ENGINE OIL STANDARD			SAE VISCOSITY NO.
Those with SN "Resource Conserving" logo in case of API standard.	or	Those with GF-5 "Starburst Mark" displayed on top of the container in case of ILSAC standard.	5W-30 (Synthetic Oil)