Subaru Legacy (2005 year). Service manual — part 82
CO(H4SO 2.0)-3
COOLING
General Description
Vehicle speed
A/C compressor load
Engine coolant temperature
95
°C (203°F) or less
96 — 99
°C
(203 — 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(H4SO 2.0)-4
COOLING
General Description
B: COMPONENT
1. WATER PUMP
(1)
Water pump ASSY
(5)
Thermostat
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Gasket
(6)
Gasket
T1: First 12 (1.2, 8.9)
Second 12 (1.2, 8.9)
(3)
Heater by-pass hose
(7)
Thermostat cover
(4)
ATF warmer by-pass hose (Model
with ATF warmer)
T2: 12 (1.2, 8.9)
CO-02031
(7)
(5)
(1)
(6)
(2)
T2
T1
T1
(3)
(4)
CO(H4SO 2.0)-5
COOLING
General Description
2. RADIATOR AND RADIATOR FAN
(1)
Radiator lower cushion
(14)
ATF hose clamp (AT model)
(24)
Radiator cap
(2)
Radiator
(15)
ATF hose A (Model without ATF
warmer)
(25)
Heat shield cover (Model without
ATF warmer)
(3)
Radiator upper cushion
(4)
Radiator upper bracket
(16)
ATF hose B (Model without ATF
warmer)
(26)
ATF hose A (Model with ATF
warmer)
(5)
Clamp
(6)
Radiator inlet hose
(17)
ATF pipe (Model without ATF
warmer)
(27)
ATF hose B (Model with ATF
warmer)
(7)
Engine coolant reservoir tank cap
(8)
Over flow hose
(18)
ATF hose C (Model without ATF
warmer)
(28)
ATF pipe (Model with ATF warmer)
(9)
Engine coolant reservoir tank
(10)
Radiator sub fan shroud
(19)
ATF hose D (Model without ATF
warmer)
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(11)
Radiator sub fan, radiator sub fan
motor ASSY
T1: 5 (0.5, 3.7)
(20)
Radiator outlet hose
T2: 7.5 (0.76, 5.5)
(12)
Radiator main fan shroud
(21)
Radiator drain plug
T3: 12 (1.2, 8.9)
(13)
Radiator main fan, radiator main
fan motor ASSY
(22)
O-ring
T4: 3.4 (0.35, 2.5)
(23)
Radiator lower bracket
CO-02149
T2
T1
T1
T4
T4
T3
T2
(1)
(2)
(3)
(4)
(5)
(5)
(5)
(5)
(6)
(7)
(8)
(9)
(10)
(13)
(12)
(11)
(20)
(21)
(22)
(23)
(24)
(25)
A
B
T2
T2
(14)
(14)
(14)
(28)
(26)
(27)
(14)
(17)
(16)
(15)
(18)
(14)
(14)
(14)
(14)
(19)
T2
T2
A
B
CO(H4SO 2.0)-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 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.
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
499977400
CRANK PULLEY
WRENCH
Used for stopping rotation of crank pulley when
removing and tightening crank pulley bolt. (2.0 L
model)
499977100
CRANK PULLEY
WRENCH
Used for stopping rotation of crank pulley when
removing and tightening crank pulley bolt. (2.5 L
model)
18231AA010
CAM SPROCKET
WRENCH
• Used for removing and installing cam
sprocket.
• CAM SPROCKET WRENCH (499207100) can
also be used.
ST-499977400
ST-499977100
ST18231AA010
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