General Description; Radiator Fan System; Engine Coolant - Subaru LEGACY 2006 Manual

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COOLING

1. General Description

A: SPECIFICATION
Cooling system
Total engine coolant capacity
Type
Discharge
performance I
Discharge
performance II
Water pump
Discharge
performance III
Impeller diameter
Number of impeller vanes
Pump pulley diameter
Clearance between
impeller and case
Type
Starting temperature to open
Thermostat Fully opens
Valve lift
Valve bore
Motor input
Radiator fan
Fan diameter /
Blade
Type
Core dimensions
Radiator
Pressure range in
which cap valve is
open
Fins
Reservoir tank Capacity
General Description
2 (US qt, Imp qt)
Discharge rate 2 (US gal, Imp gal) /min
Pump speed — Discharge pressure
Engine coolant temperature
Discharge rate 2 (US gal, Imp gal) /min
Pump speed — Discharge pressure
Engine coolant temperature
Discharge rate 2 (US gal, Imp gal) /min
Pump speed — Discharge pressure
Engine coolant temperature
Standard
Main fan
W
Sub fan
W
Main fan
Sub fan
Width × Height ×
Thickness
Coolant filler tank
kPa (kg/cm
side
Radiator side
kPa (kg/cm
2 (US qt, Imp qt)
CO(H4DOTC)-2
Electric fan + Forced engine coolant
circulation system
MT: Approx. 7.3 (7.7, 6.4)
AT: Approx. 7.2 (7.6, 6.3)
Centrifugal impeller type
20 (5.3, 4.4)
760 rpm — 2.9 kPa (0.3 mAq)
80°C (176°F)
100 (26.4, 22.0)
3,000 rpm — 49.0 kPa (5.0 mAq)
80°C (176°F)
200 (52.8, 44.0)
6,000 rpm — 225.4 kPa (23.0 mAq)
80°C (176°F)
mm (in) 76 (2.99)
8
mm (in) 60 (2.36)
mm (in) 0.5 — 1.5 (0.020 — 0.059)
Wax pellet type
76 — 80°C (169 — 176°F)
91°C (196°F)
mm (in) 9.0 (0.354) or more
mm (in) 35 (1.38)
120
120
320 mm (12.6 in)/5
320 mm (12.6 in)/7
Down flow
mm (in) 687.4 × 340 × 16 (27.06 × 13.39 × 0.63)
Above: 108±15
(1.1±0.15, 16±2)
2
, psi)
Below: –1.0 — –4.9
(–0.01 — –0.05, –0.1 — –0.7)
Above only: 137±14.7
2
, psi)
(1.40±0.15, 20±2.1)
Corrugated fin type
0.45 (0.48, 0.40)