Subaru Legacy 2004 Service Manual page 3409

Heater Cock Solenoid Valve
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
27.Heater Cock Solenoid Valve
A: REMOVAL
1) Drain the engine coolant. <Ref. to CO(H4SO
2.0)-13, DRAINING OF ENGINE COOLANT, RE-
PLACEMENT, Engine Coolant.>
2) Disconnect the harness connector (A) of the
heater cock solenoid valve.
3) Remove the two bolts to remove the heater cock
solenoid from the bracket.
(A)
AC-00936
4) 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. <Ref. to
AC-47, 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.
2 1
AC-00888
If any failure is found, replace the heater cock sole-
noid valve.
AC-47