General Description - Subaru impreza 2001 Service Manual

COOLING

1. General Description

A: SPECIFICATIONS
Model
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
"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
Fins
Reservoir
Capacity
tank
GENERAL DESCRIPTION
2 (US qt, Imp qt)
Discharge
Pump speed—total engine
coolant head
Engine coolant temperature
Discharge
Pump speed—total engine
coolant head
Engine coolant temperature
Discharge
Pump speed—total engine
coolant head
Engine coolant temperature
Standard
Limit
Main fan
Sub fan
CO-2
Non-turbo
Electric fan + Forced engine coolant circulation sys-
tem
1.6AT: Approx. 7.3
(7.71, 6.42)
1.6MT: Approx. 7.4
(7.82, 6.51)
2.0AT: Approx. 6.9
(7.29, 6.07)
2.0MT: Approx. 7
(7.4, 6.2)
Centrifugal impeller type
20 2 (5.3 US gal, 4.4 Imp gal)/min.
700 rpm — 0.3 mAq (1.0 ftAq)
85°C (185°F)
100 2 (26.4 US gal, 22.0 Imp gal)/min.
3,000 rpm — 5.0 mAq (16.4 ftAq)
85°C (185°F)
200 2 (52.8 US gal, 44.0 Imp gal)/min.
6,000 rpm — 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)
70 W
70 W
320 mm (11.81 in) × 5 (main fan)
320 mm (11.81 in) × 7 (sub fan)
Down flow, pressure type
691.5 × 340 × 16 mm
(27.22 × 13.39 × 0.63 in) (27.22 × 13.39 × 1.06 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)
Turbo
Approx. 7.7
(8.14, 6.78)
120 W
120 W
691.5 × 340 × 27 mm
2
, 16±2 psi)
, −0.1 to −0.7 psi)
2