Contents Section: Lubrication System All sections

Lubrication (H4SO): Specifications Subaru Forester SG рестайлинг

Lubrication System 3 illustrations

SPECIFICATION

Lubrication methodForced lubrication
Oil pumpPump typeTrochoid type
Number of teethInner rotor9
Outer rotor10
Outer rotor diameter x thickness78 x 10 mm (3.07 x 0.39 in)
Tip clearance between inner and outer rotorsSpecification0.04 - 0.14 mm (0.0016 - 0.0055 in)
Limit0.18 mm (0.0071 in)
Side clearance between inner rotor and pump caseSpecification0.02 - 0.07 mm (0.0008 - 0.0028 in)
Limit0.12 mm (0.0047 in)
Case clearance between outer rotor and pump caseSpecification0.10 - 0.175 mm (0.0039 - 0.0069 in)
Limit0.20 mm (0.0079 in)
Performance (Oil temperature 80°C (176°F)600 rpmDischarge pressure98 kPa(1.0 kgf/cm 2 , 14 psi)
Discharge rate4.6 i (4.9 US qt, 4.0 Imp qt)/min.
5,000 rpmDischarge pressure294 kPa (3.0 kgf/cm 2 , 43 psi)
Discharge rate47.0 i (49.7 US qt, 41.4 Imp qt)/min.
Relief valve working pressure588 kPa (6.0 kgf/cm 2 , 85 psi)
Oil filterFilter typeFull-flow filter type
Filtration areaOuter diameter: 68 mm (2.68 in)800 cm 2 (124 sq in)
Outer diameter: 65 mm (2.56 in)470 cm 2 (73 sq in)
By-pass valve opening pressure160 kPa (1.63 kgf/cm 2 , 23.2 psi)
Outer diameter x widthOuter diameter: 68 mm (2.68 in)68 x 65 mm (2.68 x 2.56 in)
Outer diameter: 65 mm (2.56 in)65 x 74.4 mm (2.56 x 2.93 in)
Installation bolt specificationsM 20 x 1.5
Oil pressure switchTypeImmersed contact point type
Operating voltage - wattage12 V - 3.4 W or less
Warning light operating pressure14.7 kPa (0.15 kgf/cm 2 , 2.1 psi)
Proof pressure981 kPa (10 kgf/cm 2 , 142 psi) or more
Engine oilCapacity (at overhaul)Non-turbo4.8 i (5.2 US qt, 4.3 Imp qt)
Turbo5.0 i (5.4 US qt, 4.5 Imp qt)
When replacing engine oil and oil filterNon-turboAT: 4.3 i (4.5 US qt, 3.8 Imp qt) MT: 4.2 i (4.4 US qt, 3.7 Imp qt)
Turbo4.3 i (4.5 US qt, 3.8 Imp qt)
When replacing engine oil onlyNon-turbo4.0 i (4.2 US qt, 3.5 Imp qt)
Turbo4.0 i (4.2 US qt, 3.5 Imp qt)

GENERAL SPECIFICATION

Recommended oil

Items having the API standard SL "Energy Conserving" logo

ILSAC standard GF-4 "starburst mark" displayed on container top.

Scheme 14

Scheme 14
CAUTIONIt is acceptable to fill an engine with oil of another name when replacing oil, but use an API standard specified by Subaru or one that has SAE viscosity number.

Note. Use an oil with the viscosity shown below if the vehicle is used in regions of high temperature, or in severe environments. API standard: SM or SL SAE viscosity No.: 30, 40, 10W-50, 20W-40, 20W-50

Scheme 15

Scheme 15: Non-turbo model

Scheme 16

Scheme 16: Turbo model