Subaru Legacy (2005 year). Service manual — part 293
CO(H4DOTC)-3
COOLING
General Description
Vehicle speed
A/C compressor load
Engine coolant temperature
95
°C (203°F) or less
96 — 99
°C
(205 — 210
°F)
100
°C (212°F) or more
Operation of radiator fan
Operation of radiator fan
Operation of radiator fan
19 km/h (12 MPH) or
less
OFF
OFF
Low-Speed
High-Speed
Low
Low-Speed
Low-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
20 — 69 km/h
(12 — 43 MPH)
OFF
OFF
Low-Speed
High-Speed
Low
High-Speed
High-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
70 — 105 km/h
(43 — 65 MPH)
OFF
OFF
Low-Speed
High-Speed
Low
OFF
Low-Speed
High-Speed
High
Low-Speed
High-Speed
High-Speed
106 km/h (66 MPH)
or more
OFF
OFF
OFF
High-Speed
Low
OFF
Low-Speed
High-Speed
High
OFF
Low-Speed
High-Speed
CO(H4DOTC)-4
COOLING
General Description
B: COMPONENT
1. WATER PUMP
(1)
Thermostat cover
(6)
Heater by-pass hose
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Gasket
(7)
Coolant filler tank by-pass hose
T1: 6.4 (0.65, 4.7)
(3)
Thermostat
(8)
Water by-pass pipe
T2: First 12 (1.2, 8.9)
Second 12 (1.2, 8.9)
(4)
Water pump ASSY
(5)
Gasket
T3: 12 (1.2, 8.9)
CO-02140
T3
(1)
(3)
(6)
(7)
(8)
(4)
(2)
(5)
T1
T3
T2
T2
CO(H4DOTC)-5
COOLING
General Description
2. RADIATOR AND RADIATOR FAN
(A)
(A)
C
CO-02141
C
B
T1
T4
T2
T2
T3
T3
T1
T3
T3
(30)
(29)
(5)
(8)
(9)
(7)
(5)
(10)
(28)
(32)
(12)
(11)
(14)
(5)
(5)
(6)
(5)
(1)
(2)
(3)
(4)
(31)
(25)
(26)
(5)
(33)
(15)
(15)
(15)
(15)
(19)
(20)
(21)
(24)
(13)
(27)
(15)
(18)
(21)
(20)
(23)
(15)
(15)
(15)
(15)
(22)
T3
T3
(B)
(B)
B
CO(H4DOTC)-6
COOLING
General Description
C: CAUTION
• Wear work clothing, including a cap, protective
goggles and protective shoes during operation.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Be careful not to burn yourself, because each
part on the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
battery.
(A)
To automatic transmission
(16)
ATF hose A (Model without ATF
warmer)
(26)
O-ring
(B)
To ATF filter
(27)
Engine coolant filler tank
(1)
Radiator lower cushion
(17)
ATF hose B (Model without ATF
warmer)
(28)
Radiator cap (Engine coolant filler
tank cap)
(2)
Radiator
(3)
Radiator upper cushion
(18)
ATF pipe (Model without ATF
warmer)
(29)
Engine overflow hose
(4)
Radiator upper bracket
(30)
Engine air breather hose
(5)
Clamp
(19)
ATF pipe (Model with ATF warmer)
(31)
Radiator lower bracket
(6)
Radiator inlet hose
(20)
ATF hose C (Model with ATF
warmer)
(32)
Overflow hose B
(7)
Engine coolant reservoir tank cap
(33)
Heat shield cover (Model without
ATF warmer)
(8)
Overflow hose A
(21)
ATF hose D (Model with ATF
warmer)
(9)
Engine coolant reservoir tank
(10)
Overflow pipe
(22)
ATF hose E (Model without ATF
warmer)
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(11)
Radiator sub fan shroud
T1: 3.4 (0.35, 2.5)
(12)
Radiator main fan shroud
(23)
ATF hose F (Model without ATF
warmer)
T2: 5.0 (0.5, 3.7)
(13)
Radiator sub fan ASSY
T3: 7.5 (0.76, 5.5)
(14)
Radiator main fan ASSY
(24)
Radiator outlet hose
T4: 12 (1.2, 8.9)
(15)
ATF hose clamp (AT model)
(25)
Radiator drain plug
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