General Description - Subaru Legacy 2004 Service Manual

COOLING

1. General Description

A: SPECIFICATION
Cooling system
Total engine coolant capacity
Type
Discharge perfor-
mance I
Discharge perfor-
mance II
Water pump
Discharge perfor-
mance 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 /
Blades
Type
Core dimensions
Radiator
Pressure range in which cap
valve is open
Fins
Reservoir
Capacity
tank
General Description
2 (US qt, Imp qt)
Discharge 2 (US gal, Imp gal) /min
Pump speed — Discharge pres-
sure
Engine coolant temperature
Discharge 2 (US gal, Imp gal) /min
Pump speed — Discharge pres-
sure
Engine coolant temperature
Discharge 2 (US gal, Imp gal) /min
Pump speed — Discharge pres-
sure
Engine coolant temperature
mm (in)
mm (in)
Standard mm (in)
mm (in)
mm (in)
Main fan
Sub fan
Main fan
Sub fan
Width " Height "
mm (in)
Thickness
kPa (kg/cm
2 (US qt, Imp qt)
CO(H4SO 2.0)-2
Electric fan + Forced engine coolant circulation system
MT: approx. 6.5 (6.9, 5.7)
AT: approx. 6.4 (6.8, 5.6) (Model without ATF warmer)
AT: approx. 6.8 (7.1, 6.0) (Model with ATF warmer)
Centrifugal impeller type
760 rpm — 2.9 kPa (0.3 mAq)
3,000 rpm — 49.0 kPa (5.0 mAq)
6,000 rpm — 225.4 kPa (23.0 mAq)
0.5 — 1.5 (0.020 — 0.06)
80 — 84!C (176 — 183!F)
9.0 (0.354) or more
300 mm (11.81 in) /4
300 mm (11.81 in) /5
Down flow, pressure type
687.4 " 340 " 16
(27.06 " 13.39 " 0.63)
Above: 108#15, or more
(1.1#0.15, 16#2)
2
, psi)
Below: $1.0 — $4.9, or less
($0.01 — $0.05, $0.1 — $0.7)
Corrugated fin type
0.45 (0.48, 0.40)
20 (5.3, 4.4)
85!C (185!F)
100 (26.4, 22.0)
85!C (185!F)
200 (52.8, 44.0)
85!C (185!F)
76 (2.99)
8
60 (2.36)
Wax pellet type
95!C (203!F)
35 (1.38)
90 W
90 W