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 MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSISENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)ENGINE COOLING SYSTEMGENERAL DESCRIPTIONSPECIFICATION
2014 Subaru Impreza Sport Limited
Engine Cooling System: General Description: Specification
2014 Subaru Impreza Sport LimitedSECTION Specification
| Cooling system | Electric fan + Forced engine coolant circulation system | ||||
| Total engine coolant capacity | L (US qt, Imp qt) | Except for XV model | CVT model | Approx. 8.2 (8.7, 7.2) | |
| MT model | Approx. 7.8 (8.2, 6.9) | ||||
| XV model | Gasoline engine model | CVT model | Approx. 8.0 (8.5, 7.0) | ||
| MT model | Approx. 7.6 (8.0, 6.7) | ||||
| HEV model | Approx. 8.2 (8.7, 7.2) | ||||
| Water pump | Type | Centrifugal impeller type | |||
| Discharge performance | Discharge rate | L (US gal, Imp gal)/min | 230 (60.8, 50.6) | ||
| Pump speed - Discharge pressure | 6, 600 rpm - 211.0 kPa (22 mAq) | ||||
| Engine coolant temperature | 80°C (176°F) | ||||
| Impeller diameter | mm (in) | 60 (2.36) | |||
| Number of impeller vanes | 7 | ||||
| Pump pulley diameter | mm (in) | Gasoline engine model | 130 (5.12) | ||
| HEV model | 143 (5.63) | ||||
| Thermostat | Type | Wax pellet type | |||
| Starting temperature to open | Engine side | 87 - 91°C (189 - 196°F) | |||
| CVTF cooler (with warmer feature) side | 48 - 52°C (118 - 126°F) | ||||
| Fully opens | Engine side | 98°C (208°F) | |||
| CVTF cooler (with warmer feature) side | 63°C (145°F) | ||||
| Valve lift | mm (in) | Engine side | 8.0 (0.315) or more | ||
| CVTF cooler (with warmer feature) side | 6.0 (0.236) or more | ||||
| Valve opening size | mm (in) | Engine side | 32 (1.26) | ||
| CVTF cooler (with warmer feature) side | 22 (0.87) | ||||
| Radiator fan | Motor input | Main fan | W | 120 | |
| Sub fan | W | 120 | |||
| Fan diameter/Blade | Main fan | 318.5 mm (12.54 in)/9 | |||
| Sub fan | 318.5 mm (12.54 in)/11 | ||||
| Radiator | Type | Down flow, pressure type | |||
| Core dimensions | Width x Height x Thickness | mm (in) | 687.4 x 340 x 16 (27.06 x 13.39 x 0.63) | ||
| Pressure range in which cap valve is open | kPa (kg/cm2 , psi) | Positive pressure side | Standard | 93 - 123 (0.95 - 1.25, 14 - 18) | |
| Limit | 83 (0.85, 12) | ||||
| Negative pressure side | Standard | -1.0 to -4.9 or less (-0.01 - -0.05, -0.1 - -0.7) | |||
| Fins | Corrugated fin type | ||||
| Reservoir tank | Capacity | L (US qt, Imp qt) | 0.45 (0.48, 0.40) | ||
| Recommended materials | Item number | Alternative | |
|---|---|---|---|
| Coolant | SUBARU SUPER COOLANT (concentrated type) | - | - |
| SUBARU SUPER COOLANT (diluted type) | K0670Y0001 | ||
| Water for dilution | Distilled water | - | Soft water or tap water |
| Cooling system protective agent | Cooling system conditioner | SOA345001 | - |
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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.