Section 1 (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) |
CVT model |
Approx. 7.8 (8.2, 6.9) |
| MT model |
Approx. 7.6 (8.0, 6.7) |
| 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 - 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) |
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 (CVT model) |
48 - 52°C (118 - 126°F) |
| Fully opens |
Engine side |
100°C (212°F) |
| CVTF cooler (with warmer feature) side (CVT model) |
63°C (145°F) |
| Valve lift |
mm (in) |
Engine side |
8.0 (0.315) or more |
| CVTF cooler (with warmer feature) side (CVT model) |
6.0 (0.236) or more |
| Valve opening size |
mm (in) |
Engine side |
32 (1.26) |
| CVTF cooler (with warmer feature) side (CVT model) |
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) |
| 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 |
- |