COOLING(H4DO 1.5) > General Description
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Cooling system |
Electric fan + Forced engine coolant circulation system | ||||
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Total engine coolant capacity |
1.5 L model |
MT |
L (US qt, Imp qt) |
Approx. 7.6 (8.0, 6.7) | |
|
AT |
L (US qt, Imp qt) |
Approx. 7.5 (7.9, 6.6) | |||
|
2.0 L model |
MT |
Without engine oil cooler |
L (US qt, Imp qt) |
Approx. 6.9 (7.3, 6.1) | |
|
With engine oil cooler |
L (US qt, Imp qt) |
Approx. 7.2 (7.6, 6.3) | |||
|
AT |
Without ATF oil cooler |
L (US qt, Imp qt) |
Approx. 6.8 (7.2, 6.0) | ||
|
With ATF oil cooler |
L (US qt, Imp qt) |
Approx. 7.2 (7.6, 6.3) | |||
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Water pump |
Type |
Centrifugal impeller type | |||
|
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 value |
mm (in) |
0.5 — 1.5 (0.020 — 0.060) | ||
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Thermostat |
Type |
Wax pellet type | |||
|
Starting temperature to open |
1.5 L model |
Engine side |
89 — 93°C (192 — 199°F) | ||
|
2.0 L model |
Engine side |
86 — 90°C (187 — 194°F) | |||
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ATF warmer side |
69 — 73°C (156 — 163°F) | ||||
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Fully opens |
1.5 model |
Engine side |
98°C (208°F) | ||
|
2.0 L model |
Engine side |
95°C (203°F) | |||
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ATF warmer side |
84°C (183°F) | ||||
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Valve lift |
Engine side |
mm (in) |
9.0 (0.354) or more | ||
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ATF warmer side |
mm (in) |
8.0 (0.315) or more | |||
|
Valve bore |
mm (in) |
35 (1.38) | |||
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Radiator fan |
Motor input |
Main fan |
90 W | ||
|
Sub fan (model with A/C) |
90 W | ||||
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Fan diameter / Blade |
Main fan |
300 mm (11.81 in)/4 | |||
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Sub fan (model with A/C) |
300 mm (11.81 in)/5 | ||||
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Radiator |
Type |
Down flow, pressure type | |||
|
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 |
kPa (kgf/cm2, psi) |
Above: 108±15 or more (1.1±0.15, 16±2) Below: −1.0 — −4.9 or less (−0.01 — −0.05, −0.1 — −0.7) | |||
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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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Coolant |
Recommended materials |
Item number |
Alternative |
|
Coolant |
SUBARU coolant |
000016218 |
Non-amine type |
|
Water for dilution |
Distilled water |
— |
Soft water or tap water |
• 1.5 L model
|
Vehicle speed |
A/C compressor load |
Engine coolant temperature | |||||
|
Increase: 100°C (212°F) or less Decrease: 99°C (210°F) or less |
Increase: 101 — 102°C (214 — 216°F) Decrease: 100°C (212°F) |
Increase: 103°C (217°F) or more Decrease: 101°C (214°F) or more | |||||
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Radiator fan operation |
Radiator fan operation |
Radiator fan operation | |||||
|
With A/C |
With A/C |
Without A/C |
With A/C |
Without A/C |
With A/C |
Without A/C | |
|
While accelerating: 19 km/h (12 MPH) or less While decelerating: 10 km/h (6 MPH) or less |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
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Low |
Low-Speed |
Low-Speed |
High-Speed | ||||
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High |
High-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 20 — 69 km/h (12 — 43 MPH) While decelerating: 11 — 64 km/h (7 — 40 MPH) |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
|
Low |
High-Speed |
High-Speed |
High-Speed | ||||
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High |
High-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 70 — 105 km/h (43 — 65 MPH) While decelerating: 65 — 103 km/h (40 — 64 MPH) |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
|
Low |
OFF |
Low-Speed |
High-Speed | ||||
|
High |
Low-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 106 km/h (66 MPH) or more While decelerating: 104 km/h (65 MPH) or more |
OFF |
OFF |
OFF |
OFF |
OFF |
High-Speed |
ON |
|
Low |
OFF |
Low-Speed |
High-Speed | ||||
|
High |
OFF |
Low-Speed |
High-Speed | ||||
• 2.0 L model
|
Vehicle speed |
A/C compressor load |
Engine coolant temperature | |||||
|
Increase: 97°C (207°F) or less Decrease: 96°C (205°F) or less |
Increase: 98 — 99°C (208 — 210°F) Decrease: 97°C (207°F) |
Increase: 100°C (212°F) or more Decrease: 98°C (208°F) or more | |||||
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Radiator fan operation |
Radiator fan operation |
Radiator fan operation | |||||
|
With A/C |
With A/C |
Without A/C |
With A/C |
Without A/C |
With A/C |
Without A/C | |
|
While accelerating: 19 km/h (12 MPH) or less While decelerating: 10 km/h (6 MPH) or less |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
|
Low |
Low-Speed |
Low-Speed |
High-Speed | ||||
|
High |
High-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 20 — 69 km/h (12 — 43 MPH) While decelerating: 11 — 64 km/h (7 — 40 MPH) |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
|
Low |
High-Speed |
High-Speed |
High-Speed | ||||
|
High |
High-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 70 — 105 km/h (43 — 65 MPH) While decelerating: 65 — 103 km/h (40 — 64 MPH) |
OFF |
OFF |
OFF |
Low-Speed |
ON |
High-Speed |
ON |
|
Low |
OFF |
Low-Speed |
High-Speed | ||||
|
High |
Low-Speed |
High-Speed |
High-Speed | ||||
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While accelerating: 106 km/h (66 MPH) or more While decelerating: 104 km/h (65 MPH) or more |
OFF |
OFF |
OFF |
OFF |
OFF |
High-Speed |
ON |
|
Low |
OFF |
Low-Speed |
High-Speed | ||||
|
High |
OFF |
Low-Speed |
High-Speed | ||||