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