Subaru Legacy III (2000-2003 year). Manual - part 437
CO(H4DOSTC)-2
COOLING
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
Cooling system
Electric fan + Forced engine coolant circulation sys-
tem
Total engine coolant capacity
2
(US qt, Imp qt)
MT: Approx. 7.7 (8.1, 6.8)
AT: Approx. 7.6 (8.0, 6.7)
Water pump
Type
Centrifugal impeller type
Discharge performance I
Discharge
20
2
(5.3 US gal, 4.4 Imp gal)/min.
Pump speed—Discharge pres-
sure (pressure leak)
760 rpm — 2.9 kPa [0.3 mAq (1.0 ftAq)]
Engine coolant temperature
85
°
C (185
°
F)
Discharge performance II
Discharge
100
2
(26.4 US gal, 22.0 Imp gal)/min.
Pump speed—Discharge pres-
sure (pressure leak)
3,000 rpm — 49.0 kPa [5.0 mAq (16.4 ftAq)]
Engine coolant temperature
85
°
C (185
°
F)
Discharge performance III
Discharge
200
2
(52.8 US gal, 44.0 Imp gal)/min.
Pump speed—Discharge pres-
sure (pressure leak)
6,000 rpm — 225.4 kPa [23.0 mAq (75.5 ftAq)]
Engine coolant temperature
85
°
C (185
°
F)
Impeller diameter
76 mm (2.99 in)
Number of impeller vanes
8
Pump pulley diameter
60 mm (2.36 in)
Clearance between impel-
ler and case
Standard
0.5 — 0.7 mm (0.020 — 0.028 in)
Limit
1.0 mm (0.039 in)
“Thrust” runout of impeller end
0.5 mm (0.020 in)
Thermostat
Type
Wax pellet type
Starts to open
76 — 80
°
C (169 — 176
°
F)
Fully opened
91
°
C (196
°
F)
Valve lift
9.0 mm (0.354 in) or more
Valve bore
35 mm (1.38 in)
Radiator fan
Motor
75 W (main fan)
75 W (sub fan)
Fan diameter
×
Blade
300 mm (11.81 in)
×
5 (main fan)
300 mm (11.81 in)
×
4 (sub fan)
Radiator
Type
Down flow, pressure type
Core dimensions
691.5
×
340
×
16 mm
(27.22
×
13.39
×
0.63 in)
Pressure range in which cap valve is open or closed
Above: 108
±
15 kPa
(1.1
±
0.15 kg/cm
2
, 16
±
2 psi)
Below:
−
1.0 to
−
4.9 kPa
(
−
0.01 to
−
0.05 kg/cm
2
,
−
0.1 to
−
0.7 psi)
Fins
Corrugated fin type
Reservoir
tank
Capacity
0.5
2
(0.5 US qt, 0.4 Imp qt)