Subaru Impreza 2002 Service Manual page 3196

16.Hose and Tube
A: REMOVAL
CAUTION:
• When disconnecting/connecting hoses, do
not apply excessive force to them. Confirm that
no torsion and excessive tension exists after
installing.
• Seal the disconnected hose with a plug or vi-
nyl tape to prevent contamination from enter-
ing.
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-21, OPERATION,
Refrigerant Recovery Procedure.>
3) Remove the evaporator unit mounting bolt (A).
4) Remove the low-pressure hose attaching bolts
(B).
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 bolts
(C).
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 tube attaching bolt
(D).
13) Remove the high-pressure tube from vehicle.
(C)
(B)
(C)
(D)
HOSE AND TUBE
(A)
HV0023
AC-37
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
B: INSTALLATION
CAUTION:
• When disconnecting/connecting hoses, do
not apply an excessive force to them. Confirm
that no torsion and excessive tension exists af-
ter installing.
• Seal the disconnected hose with a plug or vi-
nyl tape to prevent contamination from enter-
ing.
1) Install in the reverse order of removal.
2) Charge refrigerant. <Ref. to AC-22, OPERA-
TION, Refrigerant Charging Procedure.>
Tightening torque:
Refer to COMPONENT in General Descrip-
tion. <Ref. to AC-11, AIR CONDITIONING
UNIT, COMPONENT, General Description.>
C: INSPECTION
NOTE:
If cracking, damage, or swelling is found on a hose,
replace it with a new one.