COOLING(H4DOTC) > General Description
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Cooling system |
Electric fan + Forced engine coolant circulation system | |||||
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Total engine coolant capacity |
L (US qt, Imp qt) |
Approx. 7.8 (8.2, 6.9) | ||||
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Water pump |
Type |
Centrifugal impeller type | ||||
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Discharge performance I |
Discharge rate |
L (US gal, Imp gal)/min. |
20 (5.3, 4.4) | |||
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Pump speed — Discharge pressure |
760 rpm — 2.9 kPa (0.3 mAq) | |||||
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Engine coolant temperature |
80°C (176°F) | |||||
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Discharge performance II |
Discharge rate |
L (US gal, Imp gal)/min. |
100 (26.4, 22.0) | |||
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Pump speed — Discharge pressure |
3,000 rpm — 49.0 kPa (5.0 mAq) | |||||
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Engine coolant temperature |
80°C (176°F) | |||||
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Discharge performance III |
Discharge rate |
L (US gal, Imp gal)/min. |
200 (52.8, 44.0) | |||
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Pump speed — Discharge pressure |
6,000 rpm — 225.4 kPa (23.0 mAq) | |||||
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Engine coolant temperature |
80°C (176°F) | |||||
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Impeller diameter |
mm (in) |
76 (2.99) | ||||
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Number of impeller vanes |
8 | |||||
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Pump pulley diameter |
mm (in) |
60 (2.36) | ||||
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Clearance between impeller and pump case |
mm (in) |
Standard |
0.5 — 1.5 (0.020 — 0.059) | |||
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Thermostat |
Type |
Wax pellet type | ||||
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Starting temperature to open |
76 — 80°C (169 — 176°F) | |||||
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Fully opens |
91°C (196°F) | |||||
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Valve lift |
mm (in) |
9.0 (0.354) or more | ||||
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Valve bore |
mm (in) |
35 (1.38) | ||||
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Radiator fan |
Motor input |
Main fan |
W |
120 | ||
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Sub fan |
W |
120 | ||||
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Fan diameter / Blade |
Main fan |
318.5 mm (12.54 in)/9 | ||||
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Sub fan |
318.5 mm (12.54 in)/11 | |||||
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Radiator |
Type |
Down flow | ||||
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Core dimensions |
Width × Height × Thickness |
mm (in) |
687.4 × 340 × 16 (27.06 × 13.39 × 0.63) | |||
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Pressure range in which cap valve is open |
Coolant filler tank side |
kPa (kg/cm2, psi) |
Positive pressure side |
Standard |
93 — 123 (0.95 — 1.25, 14 — 18) | |
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Service limit |
83 (0.85, 12) | |||||
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Negative pressure side |
Standard |
−1.0 — −4.9 (−0.01 — −0.05, −0.1 — −0.7) | ||||
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Radiator side |
kPa (kg/cm2, psi) |
Positive pressure side only |
Standard |
122 — 152 (1.24 — 1.55, 18 — 22) | ||
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Service limit |
112 (1.14, 16) | |||||
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Fins |
Corrugated fin type | |||||
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Reservoir tank |
Capacity |
L (US qt, Imp qt) |
0.45 (0.48, 0.40) | |||
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Recommended materials |
Item number |
Alternative | |
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Coolant |
SUBARU SUPER COOLANT |
K0670Y0001 |
Non-amine type * |
* When using alternative engine coolant, follow the instructions of the engine coolant for its diluting water, maintenance cycle, freezing concentration, etc.