Page 49 of 2870
AC-47
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
Heater Duct
22.Heater Duct
A: REMOVAL
1) Remove the front seat.
AL, Front Seat.>
2) Remove the front side sill cover.
3) Pull off the floor mat, remove the cover, and then
remove the heater duct.
B: INSTALLATION
Install in the reverse order of removal.
Page 50 of 2870
AC-48
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
Heater Vent Duct
23.Heater Vent Duct
A: REMOVAL
1) Remove the instrument panel.
2) Remove the screws.
3) Remove the heater vent duct.
B: INSTALLATION
Install in the reverse order of removal.
AC-00224
Page 51 of 2870

AC-49
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
Heater Cock Solenoid Valve
24.Heater Cock Solenoid Valve
A: REMOVAL
1) Drain the engine coolant.
COOLANT, REPLACEMENT, Engine Coolant.>
2) Remove the battery.
3) Remove the two bolts and disconnect harness
connector, and move the washer tank forward.
4) Disconnect the harness connector (A) of the
heater cock solenoid valve.
5) Remove the two bolts to remove the heater cock
solenoid from the bracket.
6) Pull out the heater cock solenoid. Loosen the
hose clamp and disconnect the two heater hoses.
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
1) Remove the heater cock solenoid valve.
AC-49, REMOVAL, Heater Cock Solenoid Valve.>
2) Connect the positive terminal of battery to No. 1
terminal of heater cock solenoid valve, and the
ground terminal to No. 2 terminal. Check that the
heater cock solenoid valve opens and closes nor-
mally.
If any failure is found, replace the heater cock sole-
noid valve.
WW-00011
AC-00886
(A)
AC-00887
1 2
AC-00888
Page 52 of 2870

AC-50
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
General Diagnostics
25.General Diagnostics
A: INSPECTION
Symptom Repair order
Blower motorDoes not run.Fuse
Blower motor relay
Wiring harness
Blower motor
Blower motor resistor (Manual A/C model)
Blower switch
Noise Blower motor
CompressorDoes not run.Refrigerant
Fuse
A/C relay
Wiring harness
Magnet clutch
Compressor
Pressure switch
A/C switch
Blower switch
NoiseV- B e l t
Magnet clutch
Compressor
Condenser fanDoes not run.Fuse
Sub fan relay
Wiring harness
Noise Condenser fan motor
Cold air not emitted.Refrigerant
V- B e l t
Magnet clutch
Compressor
Pressure switch
Blower fan relay, Blower motor
A/C switch
Blower switch
Wiring harness
Heater duct
Heater vent duct
Control unit
Expansion valve
Evaporator
Air mix actuator (Auto A/C), Temperature control cable (Manual
A/C)
Warm air not emitted.Engine coolant
Aspirator hose
Blower switch
Air mix actuator (Auto A/C), Temperature control cable (Manual
A/C)
Heater core
Heater cock solenoid valve (Non-turbo model for EC/EK)
Page 53 of 2870
AC-51
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
General Diagnostics
Temperature of air from vents does not change.Wiring harness
Air mix actuator (Auto A/C), Temperature control cable (Manual
A/C)
Temperature adjustment switch
Unable to switch blow vents.Wiring harness
Mode actuator (Auto A/C), Mode control cable (Manual A/C)
Mode switch
Unable to switch suction vents.Wiring harness
FRESH/RECIRC actuator
Air inlet select switch Symptom Repair order
Page 54 of 2870
AC-52
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
General Diagnostics
Page 55 of 2870

FUJI HEAVY INDUSTRIES LTD. G8080GE7
2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.HVAC SYSTEM
(HEATER, VENTILATOR AND A/C)AC
HVAC SYSTEM (AUTO A/C)
(DIAGNOSTIC)AC
AIRBAG SYSTEM AB
AIRBAG SYSTEM (DIAGNOSTIC) AB
SEAT BELT SYSTEM SB
LIGHTING SYSTEM LI
WIPER AND WASHER SYSTEM WW
ENTERTAINMENT ET
COMMUNICATION SYSTEM COM
GLASS/WINDOW/MIRROR GW
BODY STRUCTURE BS
INSTRUMENTATION/DRIVER INFO IDI
SEAT SE
SECURITY AND LOCK SL
SUNROOF/T-TOP/CONVERTIBLE TOP
(SUNROOF)SR
EXTERIOR/INTERIOR TRIM EI
EXTERIOR BODY PANEL EB
Page 56 of 2870
2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
G8080GE7
CRUISE CONTROL SYSTEM CC
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4SO)
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4DOTC)
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4DOTC 2.5)
IMMOBILIZER (DIAGNOSTIC) IM