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 -
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • Brakes feel soft, pull hard to one side, or make grinding noises.
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