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) |
AT: approx. 8.0 (8.5, 7.0) MT: approx. 8.1 (8.6, 7.1) | ||
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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 case |
Standard |
mm (in) |
0.5 — 1.5 (0.020 — 0.059) | |
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Thermostat |
Type |
Wax pellet type | ||
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Opening start temperature |
82 — 86°C (180 — 187°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) |
Above: 108±14.7 (1.1±0.15, 16±2.1) Below: −1.0 to −4.9 (−0.01 — −0.05, −0.1 — −0.7) | |
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Radiator side |
kPa (kg/cm2, psi) |
Above only: 137±14.7 (1.40±0.15, 20±2.1) | ||
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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 (Concentrated type) |
— |
Non-amine type |
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SUBARU SUPER COOLANT (Diluted type) |
K0670Y0001 | ||
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Water for dilution |
Distilled water |
— |
Soft water or tap water |