Section 10 (Engine Cooling System (H4SO)): 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) |
Approx. 6.5 (6.9, 5.7) |
| Water pump |
Type |
Centrifugal impeller type |
| Discharge performance |
Discharge rate |
l
(US gal, Imp gal) /min. |
200 (52.8, 44.0) |
| Pump speed - Discharge pressure |
6, 000 RPM - 225.4 kPa (23 mAq) |
| Engine coolant temperature |
80°C (176°F) |
| Impeller diameter |
mm (in) |
76 (2.99) |
| Number of impeller vanes |
8 |
| Pump pulley diameter |
mm (in) |
60 (2.36) |
| Clearance between impeller and case |
mm (in) |
Standard |
0.5 - 1.5 (0.020 - 0.060) |
| Thermostat |
Type |
Wax pellet type |
| Starting temperature to open |
86 - 90°C (187 - 194°F) |
| Fully opens |
95°C (203°F) |
| Valve lift |
mm (in) |
9.0 (0.354) or more |
| Valve bore |
mm (in) |
35 (1.38) |
| Radiator fan |
Motor input |
Main fan |
W |
90 |
| Sub fan |
W |
90 |
| Fan diameter / Blade |
Main fan |
300 mm (11.81 in)/4 |
| Sub fan |
300 mm (11.81 in)/5 |
| 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) |
| Service 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 protecting agent |
Cooling system conditioner |
SOA345001 |
- |