Section 2 (Engine Cooling System (H4DO)): General Description: Specification
WARNING: This page is about a different variant/trim than selected.
| Cooling system | Electric fan + Forced engine coolant circulation system | |||||
| Total engine coolant capacity | L (US qt, Imp qt) | Approx. 7.8 (8.2, 6.9) | ||||
| 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 r/min - 88 kPa (8.9 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) | 130 (5.12) | ||||
| Thermostat | Type | Wax pellet type | ||||
| Starting temperature to open | Engine side | 90 - 94°C (194 - 201°F) | ||||
| CVTF cooler (with warmer feature) side | 48 - 52°C (118 - 126°F) | |||||
| Full open temperature | Engine side | 100°C (212°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 | 320 mm (12.6 in)/5 | ||||
| Sub fan | 320 mm (12.6 in)/7 | |||||
| Radiator | Type | Down flow, pressure type | ||||
| Core dimensions | Width x Height x Thickness | mm (in) | 702.6 x 349.2 x 16 (27.66 x 13.75 x 0.63) |
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| 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) |
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| Fins | Corrugated fin type | |||||
| Reservoir tank | Capacity | L (US qt, Imp qt) | 0.45 (0.48, 0.40) | |||
| Recommended materials | Item number | Alternative | |
|---|---|---|---|
| Engine 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 | - |