Section 15 (Engine Lubrication System (H4DO)): General Description: Specification: Notes

2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Notes
WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  • Non-turbo model
Lubrication method Forced lubrication
Oil pump Pump type Trochoid type
Number of teeth Inner rotor 11
Outer rotor 12
Outer rotor diameter x Thickness mm (in) 77 x 12 (3.03 x 0.47)
Performance (Oil temperature 120°C (248°F)) 600 rpm Discharge pressure kPa (kgf/cm2 , psi) 30 (0.3, 4.3)
Discharge rate L (US qt, Imp qt)/min 6.0 (6.3, 5.3) or more
6, 000 rpm Discharge pressure kPa (kgf/cm2 , psi) 260 (2.7, 37.7)
Discharge rate L (US qt, Imp qt)/min 47 (49.7, 41.4) or more
Relief valve working pressure (2-step relief) 1st opening pressure kPa (kgf/cm2 , psi) 150 (1.5, 21.7)
Main opening pressure kPa (kgf/cm2 , psi) 570 (5.8, 82.6)
Oil filter Filter type Full-flow filter type
Filtration area cm2 (sq in) Outer diameter: 68 mm (2.68 in) (black) 1, 100 (171)
Outer diameter: 67.4 mm (2.65 in) (blue) 867 (134.3)
By-pass valve opening pressure kPa (kgf/cm2 , psi) 160 (1.6, 23.2)
Outer diameter x Width mm (in) Outer diameter: 68 mm (2.68 in) (black) 68 x 85 (2.68 x 3.35)
Outer diameter: 67.4 mm (2.65 in) (blue) 67.4 x 87.1 (2.65 x 3.43)
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 (kgf/cm2 , psi) 14.7 (0.1, 2.1)
Proof pressure kPa (kgf/cm2 , psi) 981 (10, 142.2)
Engine oil Total capacity (at overhaul) L (US qt, Imp qt) 5.7 (6.0, 5.0)
When replacing engine oil and oil filter L (US qt, Imp qt) 4.8 (5.1, 4.2)
When replacing engine oil only L (US qt, Imp qt) 4.6 (4.9, 4.0)
RENDER: 1.0x

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