Subaru Legacy IV (2008 year). Service manual — part 286
CO(H4DOTC)-6
General Description
COOLING
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
499977100
CRANK PULLEY
WRENCH
Used to stop rotation of the crank pulley when
loosening or tightening crank pulley bolts. (MT
model)
499977400
CRANK PULLEY
WRENCH
Used to stop rotation of the crank pulley when
loosening or tightening crank pulley bolts. (AT
model)
499977500
CAM SPROCKET
WRENCH
Used for removing and installing intake cam
sprocket.
499207400
CAM SPROCKET
WRENCH
Used for removing and installing exhaust cam
sprocket.
ST-499977100
ST-499977400
ST-499977500
ST-499207400
CO(H4DOTC)-7
General Description
COOLING
2. GENERAL TOOL
1B022XU0
SUBARU SELECT
MONITOR III KIT
Used for troubleshooting the electrical system.
TOOL NAME
REMARKS
Radiator cap tester
Used for checking radiator and radiator cap.
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
ST1B022XU0
CO(H4DOTC)-8
Radiator Fan System
COOLING
2. Radiator Fan System
A: WIRING DIAGRAM
CO-02317
B136
F108
F16
B361
F17
F16
1 2
1
7
B360
1 2 3
4 5 6 7
8 9 10 11 12 13 14 15 16
F108
2 3
8
10
1
9
4
11 12 13 14 15 16
5 6 7
17 18
F27
B136
F36
F35
B143
F17
B361
1
7
2 3
4 5 6
8 9 10 11 12 13 14
F109
3 4
1 2
8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
5
6 7
F27
1 2 3 4
5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
1 2
3 4 5
6 7 8 9 10 11 12
3
1 2
7
4 5
6
16
7
2
1
22
19
18
11
12
20
21
10
13
E
E
M
1
2
M
F109
B360
10
1
SBF-6
MAIN SBF
No.3
No.22
No.26
18
29
B:
C:
E:
ECM
No.4
BATTERY
5
6
7 8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16
17 18 19 20 21
33 34
29
32
30
31
35
20 21 22
19
18
3 4 5
7
6
10 11
12
13
15
16
17
14
2
1
9
8
E6
E5
C10
B7
MAIN
FUSE BOX
(M/B)
B143
B:
F35
C:
F36
E:
MAIN FAN
MOTOR
SUB FAN MOTOR
THROUGH JOINT CONNECTOR
MAIN FAN
RELAY
1
2
MAIN
FAN
RELAY
SUB
FAN
RELAY
THROUGH JOINT
CONNECTOR
RELAY
HOLDER
IGNITION SWITCH
CO(H4DOTC)-9
Radiator Fan System
COOLING
B: INSPECTION
Operating condition:
Vehicle speed
A/C compressor load
Engine coolant temperature
Increase: 94°C (201°F)
or less
Decrease: 91°C (196°F)
or less
Increase: 95 — 96°C
(203 — 205°F)
Decrease: 92 — 94°C
(198 — 201°F)
Increase: 97°C (207°F)
or more
Decrease: 95°C (203°F)
or more
Radiator fan operation
Radiator fan operation
Radiator fan operation
During acceleration:
19 km/h (12 MPH)
or less
During deceleration:
10 km/h (6 MPH)
or less
OFF
OFF
Low-Speed
High-Speed
Low
Low-Speed
Low-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
During acceleration:
20 — 69 km/h
(12 — 43 MPH)
During deceleration:
11 — 64 km/h
(7 — 40 MPH)
OFF
OFF
Low-Speed
High-Speed
Low
High-Speed
High-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
During acceleration:
70 — 105 km/h
(43 — 65 MPH)
During deceleration:
65 — 103 km/h
(40 — 64 MPH)
OFF
OFF
Low-Speed
High-Speed
Low
High-Speed
High-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
During acceleration:
106 km/h (66 MPH)
or more
During deceleration:
104 km/h (65 MPH)
or more
OFF
OFF
High-Speed
High-Speed
Low
High-Speed
High-Speed
High-Speed
High
High-Speed
High-Speed
High-Speed
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