Subaru 2009 IMPREZA, Service Manual

Page: 2718 / 3619

AC-38
Hose and Pipe
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
18.Hose and Pipe
A: REMOVAL
CAUTION:
• When disconnecting hoses, do not apply an
excessive force to them. After installing, check
that no torsion or excessive tension applied to
the hoses.
• 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-21, PROCEDURE,
Refrigerant Recovery Procedure.>
3) Remove the bolt and detach the hoses and
pipes.
B: INSTALLATION
CAUTION:
• Replace the O-rings with new parts.
• When connecting hoses, do not apply an ex-
cessive force to them. After installing, check
that no torsion or excessive tension applied to
the hoses.
1) Install in the reverse order of removal.
2) Charge refrigerant. <Ref. to AC-22, PROCE-
DURE, Refrigerant Charging Procedure.>
Tightening torque:
Refer to “COMPONENT” of “General Descrip-
tion”. <Ref. to AC-11, AIR CONDITIONING
UNIT, COMPONENT, General Description.>
C: INSPECTION
Check the hoses for cracks, damage and expan-
sion. If any fault is found, replace with new parts.