Subaru Legacy III (2000-2003 year). Service manual — part 73
EX(H4SO)-10
EXHAUST
MUFFLER
5. Muffler
A: REMOVAL
1) Separate muffler from rear exhaust pipe.
CAUTION:
Be careful, exhaust pipe is hot.
2) Remove left and right rubber cushions.
CAUTION:
Be careful not to drop the muffler during remov-
al.
NOTE:
To facilitate removal, apply a coat of SUBARU
CRC to mating area of rubber cushions in advance.
SUBARU CRC (Part No. 004301003)
3) Remove front rubber cushion, and detach muf-
fler assembly.
NOTE:
To facilitate removal, apply a coat of SUBARU
CRC to mating area of rubber cushion in advance.
SUBARU CRC (Part No. 004301003)
B: INSTALLATION
1) Install in the reverse order of removal.
NOTE:
Replace gasket and self-locking nuts with new
ones .
Tightening torque:
48 N·m (4.9 kgf-m, 35.4 ft-lb)
C: INSPECTION
1) Make sure there are no exhaust leaks from con-
nections and welds.
2) Make sure there are no holes or rusting.
3) Make sure the cushion rubber is not worn or
cracked.
EX-00051
EX-00052
EX-00053
EX-00051
COOLING
CO(H4SO)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Radiator Main Fan System. . . . . . . . . . . . . . . . . . ..6
Radiator Sub Fan System . . . . . . . . . . . . . . . . . . .10
Engine Coolant. . . . . . . . . . . . . . . . . . . . . . ..14
Water Pump . . . . . . . . . . . . . . . . . . . . . . . ..16
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . 21
Radiator. . . . . . . . . . . . . . . . . . . . . . . . . .23
Radiator Cap . . . . . . . . . . . . . . . . . . . . . . . .27
Radiator Main Fan and Fan Motor . . . . . . . . . . . . . . . 28
Radiator Sub Fan and Fan Motor. . . . . . . . . . . . . . . ..30
Reservoir Tank . . . . . . . . . . . . . . . . . . . . . . ..32
Engine Cooling System Trouble in General . . . . . . . . . . . ..33
CO(H4SO)-2
COOLING
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
Cooling system
Electric fan + Forced engine coolant circula-
tion system
Total engine coolant capacity
2
(US qt, Imp qt)
2.0 L MT: Approx. 7.0 (7.4, 6.2)
2.0 L AT: Approx. 6.9 (7.3, 6.1)
2.5 L MT: Approx. 6.8 (7.2, 6.0)
2.5 L AT: Approx. 6.7 (7.1, 5.9)
Water pump
Type
Centrifugal impeller type
Discharge performance I
Discharge
20
2
(5.3 US gal, 4.4 Imp gal)/min.
Pump speed—pressure leak
760 rpm — 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—pressure leak
3,000 rpm — 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—pressure leak
6,000 rpm — 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
With OBD
80 — 84
°
C (176 — 183
°
F)
Without OBD
76 — 80
°
C (169 — 176
°
F)
Fully opened
With OBD
95
°
C (203
°
F)
Without OBD
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)
CO(H4SO)-3
COOLING
GENERAL DESCRIPTION
B: COMPONENT
1. WATER PUMP
(1) Water pump ASSY
(5) Gasket
Tightening torque: N·m (kgf-m, ft-lb)
(2) Gasket
(6) Thermostat cover
T1: First 12 (1.2, 8.7)
Second 12 (1.2, 8.7)
(3) Heater by-pass hose
(4) Thermostat
T2: 6.5 (0.66, 4.8)
CO-00001
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
T2
T1
T1
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