Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALLUBRICATION SYSTEMENGINE LUBRICATION SYSTEM (H4DO)GENERAL DESCRIPTIONSPECIFICATIONNOTES
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Engine Lubrication System (H4DO): General Description: Specification: Notes
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Notes
- 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) | |||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.