Subaru Legacy 2003 Service Manual page 1757

COOLING
1. General Description
A: SPECIFICATIONS
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 impel-
ler and case
"Thrust" runout of impeller end
Type
Starts to open
Thermostat Fully opened
Valve lift
Valve bore
Motor
Radiator fan
Fan diameter × Blade
Type
Core dimensions
Radiator
Pressure range in which cap valve is open or closed
Fins
Reservoir
Capacity
tank
GENERAL DESCRIPTION
2 (US qt, Imp qt)
Discharge
Pump speed—Discharge pres-
sure (pressure leak)
Engine coolant temperature
Discharge
Pump speed—Discharge pres-
sure (pressure leak)
Engine coolant temperature
Discharge
Pump speed—Discharge pres-
sure (pressure leak)
Engine coolant temperature
Standard
Limit
CO(H4DOSTC)-2
Electric fan + Forced engine coolant circulation sys-
tem
MT: Approx. 7.7 (8.1, 6.8)
AT: Approx. 7.6 (8.0, 6.7)
Centrifugal impeller type
20 2 (5.3 US gal, 4.4 Imp gal)/min.
760 rpm — 2.9 kPa [0.3 mAq (1.0 ftAq)]
85°C (185°F)
100 2 (26.4 US gal, 22.0 Imp gal)/min.
3,000 rpm — 49.0 kPa [5.0 mAq (16.4 ftAq)]
85°C (185°F)
200 2 (52.8 US gal, 44.0 Imp gal)/min.
6,000 rpm — 225.4 kPa [23.0 mAq (75.5 ftAq)]
85°C (185°F)
76 mm (2.99 in)
8
60 mm (2.36 in)
0.5 — 0.7 mm (0.020 — 0.028 in)
1.0 mm (0.039 in)
0.5 mm (0.020 in)
Wax pellet type
76 — 80°C (169 — 176°F)
91°C (196°F)
9.0 mm (0.354 in) or more
35 mm (1.38 in)
75 W (main fan)
75 W (sub fan)
300 mm (11.81 in) × 5 (main fan)
300 mm (11.81 in) × 4 (sub fan)
Down flow, pressure type
691.5 × 340 × 16 mm
(27.22 × 13.39 × 0.63 in)
Above: 108±15 kPa
(1.1±0.15 kg/cm
Below: −1.0 to −4.9 kPa
(−0.01 to −0.05 kg/cm
Corrugated fin type
0.5 2 (0.5 US qt, 0.4 Imp qt)
2
, 16±2 psi)
, −0.1 to −0.7 psi)
2