Subaru 2009 IMPREZA Service Manual page 2718

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HVAC SYSTEM (HEATER, VENTILATOR AND A/C)

18.Hose and Pipe

• When disconnecting hoses, do not apply an

excessive force to them. After installing, check

that no torsion or excessive tension applied to

• Seal the disconnected hose with a plug or vi-

nyl tape to prevent foreign matter from enter-

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

B: INSTALLATION

• 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

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.

Hose and Pipe