Subaru IMPREZA 2002 Service Manual page 208

GENERAL DESCRIPTION
COOLING
1. General Description
A: SPECIFICATIONS
MT: Approx. 7
Model
I
Non-turbo
I
Turbo
MT: Approx. 7.7
Electric fan
+
Forced engine coolant circulation sys-
tem
Zooling system
(7.29, 6.07) (8.03, 6.69)
rota1 engine coolant capacity
TvDe
1
(8.14; 6.78)
AT: Approx. 7.6
Centrifuaal imDeller type
iNater pump
~~. ~.
Engine coolant temperature
Discharae
Thermostat
85°C (1 85°F)
100
8
(26.4 US aal. 22.0 ImD aal)/min.
qadiator fan
Engine coolant temperature
Discharge
Pump speed-total engine
coolant head
Discharge performance Ill
3adiator
85°C (185°F)
200
8
(52.8 US gal, 44.0 Imp gal)/min.
6,000 rpm
-
23.0 mAq (75.5 ftAq)
qeservoir
,ank .
'1: Non-turl
Number of impeller vanes
Pump pulley diameter
Clearance between impeller Standard
and case Limit
8
60 mm (2.36 in)
0.5
-
0.7 mm (0.020 - 0.028 in)
1 .O mm (0.039 in)
I
Discharge
I
20 12 (5.3 US gal, 4.4 Imp qal)/min.
Starts to open
Fully opened
Valve lift
Valve bore
Motor
Main fan
Sub fan
Pump speed-total engine
coolant head
Discharge performance I
I
76
-
80°C (1 69
-
1 76°F)
91°C (196°F)
9.0 mm (0.354 in) or more
35 mm (1.38 in)
70 W 120
w
70 W 120
w
700 rpm
-
0.3 mAq (1 .O ftAq)
Fan diameter x Blade
TvDe
320 mm (12.60 in) x 5 (main fan)
320 mm (12.60 in) x 7 (sub fan)
Down flow. Dressure tvDe
I
Pump speed-total engine
I
coolant head
Discharge performance II
' 1 691.5x340x16mm
(27.22 x 13.39 x 0.63 in)
Core dimensions
3,000 rpm
-
5.0 mAq (1 6.4 ftAq)
*2 691.5x340x27mm
(27.22 x 13.39 x 1.06 in)
Capacity
1
Engine coolant temperature
1
85°C (1 85°F)
0.5 8 (0.5 US qt, 0.4 Imp qt)
Impeller diameter
I
76 mm (2.99 in)
"Thrust" runout of impeller end
I
0.5 mm (0.020 in)
Type
I
Wax pellet type
Pressure range in which cap valve is open
Above: 108f15 kPa
(1.1+_0.15 kg/cm2, 16-12 psi)
Below: -1 .O to -4.9 kPa
(-0.01 to -0.05 kdcm', -0.1 to -0.7 psi)
Fins
I
Corrugated fin type
*2: Turbo MT model
co-2