Subaru Legacy 2004 Service Manual page 3400

HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
18.Hose and Tube
A: REMOVAL
CAUTION:
• When disconnecting/connecting hoses, do
not apply an excessive force to them. Confirm
that no torsion and excessive tension is
charged after installing.
• Seal the disconnected hose with a plug or vi-
nyl tape to prevent foreign matter from enter-
ing.
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-20, PROCEDURE,
Refrigerant Recovery Procedure.>
3) Remove the evaporator unit mounting bolt (A)
and low-pressure hose bracket bolt (B).
4) Remove the low-pressure hose attaching bolts
(C).
5) Disconnect the low-pressure hose from evapo-
rator unit.
6) Disconnect the low-pressure hose from com-
pressor.
7) Remove the low-pressure hose from vehicle.
8) Remove the high-pressure hose attaching bolt
(D).
9) Disconnect the high-pressure hose from com-
pressor.
10) Disconnect the high-pressure hose from con-
denser.
11) Remove the high-pressure hose from vehicle.
12) Remove the high-pressure attaching bolt (E).
13) Remove the high-pressure tube from vehicle.
(D)
(C)
(D)
(E)
Hose and Tube
(A)
(B)
AC-00929
AC-38
B: INSTALLATION
CAUTION:
• When disconnecting or connecting the hos-
es, do not apply excessive force to them. Con-
firm that no torsion and excessive tension is
charged after installing.
• Seal the disconnected hose with a plug or vi-
nyl tape to prevent foreign matter from enter-
ing.
1) Install in the reverse order of removal.
2) Charge refrigerant. <Ref. to AC-21, PROCE-
DURE, Refrigerant Charging Procedure.>
Tightening torque:
Refer to "COMPONENT" of "General Descrip-
tion". <Ref. to AC-10, AIR CONDITIONING
UNIT, COMPONENT, General Description.>
C: INSPECTION
Check the hoses for cracks, damage and expan-
sion. If any fault is found, replace them with new
ones.