Subaru Legacy (2005 year). Service manual — part 408

CO(H6DO)-3

COOLING

General Description

A/C compressor

A/C middle pres-

sure switch

Engine coolant temperature

Increase: Less than 95

°C

(203

°F)

Decrease: Less than 93

°C

(199

°F)

Increase: 95 — 101

°C

(203 — 214

°F)

Decrease: 93 — 99

°C

(199 — 210

°F)

Increase: More than

102

°C (216°F)

Decrease: More than

100

°C (212°F)

OFF

0%

See fig. (1)

100%

ON

OFF

See fig. (2)

100%

ON

See fig. (3)

100%

(A)

Fan speed (%)

(B)

Water temperature

(1)

A/C OFF control

(2)

A/C ON control (A/C middle pres-
sure switch OFF)

(3)

A/C ON control (A/C middle pres-
sure switch ON)

CO-02115

100

(1)

70

(A)

(B)

(2)

70

(A)

(B)

(3)

70

(A)

(B)

CO(H6DO)-4

COOLING

General Description

B: COMPONENT

1. WATER PUMP

(1)

Water pump ASSY

(4)

Gasket

Tightening torque: N

⋅

m (kgf-m, ft-lb)

(2)

O-ring

(5)

Thermostat cover

T: 6.4 (0.65, 4.7)

(3)

Thermostat

(1)

(2)

(4)

(5)

T

T

CO-02125

(3)

CO(H6DO)-5

COOLING

General Description

2. RADIATOR AND RADIATOR FAN

T1

T3

T4

T3

(12)

(14)

(27)

(16)

(13)

(15)

(17)

T1

T4

T2

CO-02150

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(7)

(7)

(7)

T4

T4

T5

(8)

(9)

(9)

(10)

(11)

(21)

(21)

(26)

(21)

(21)

(24)

(21)

(21)

(21)

(18)

(19)

(20)

(23)

(22)

(25)

B

A

A

B

T4

T4

(21)

(21)

(21)

(30)

(28)

(29)

CO(H6DO)-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 remov-
al, 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.

(1)

Radiator lower bracket

(17)

Radiator main fan shroud

(28)

ATF hose A (Model with ATF
warmer)

(2)

Radiator lower cushion

(18)

Engine coolant reservoir tank cap

(3)

Engine coolant drain cock

(19)

Over flow hose

(29)

ATF hose B (Model with ATF
warmer)

(4)

Radiator

(20)

Engine coolant reservoir tank

(5)

Radiator upper bracket

(21)

ATF hose clamp

(30)

ATF pipe (Model with ATF warmer)

(6)

Radiator upper cushion

(22)

ATF hose A (Model without ATF
warmer)

(7)

Clamp

Tightening torque: N

⋅

m (kgf-m, ft-lb)

(8)

Radiator inlet hose A

(23)

ATF hose B (Model without ATF
warmer)

T1: 3.8 (0.39, 2.8)

(9)

Clamp

T2: 5.4 (0.55, 4)

(10)

Radiator inlet hose B

(24)

ATF pipe (Model without ATF
warmer)

T3: 6.2 (0.63, 4.6)

(11)

Radiator outlet hose

T4: 7.5 (0.76, 5.5)

(12)

Radiator sub fan

(25)

ATF hose C (Model without ATF
warmer)

T5: 12 (1.2, 8.9)

(13)

Radiator sub fan motor

(14)

Radiator sub fan shroud

(26)

ATF hose D (Model without ATF
warmer)

(15)

Radiator main fan

(16)

Radiator main fan motor

(27)

Radiator fan control unit