Subaru IMPREZA GD 2007 Series Manual page 3930

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15.Heater and Cooling Unit
A: REMOVAL
1) Disconnect the ground cable from the battery.
2) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-19, PROCEDURE,
Refrigerant Recovery Procedure.>
3) Drain engine coolant from the radiator.
4) Remove the bolts securing expansion valve and
pipe in engine compartment. Release the heater
hose clamps in engine compartment to remove the
hoses.
5) Remove the instrument panel. <Ref. to EI-47,
REMOVAL, Instrument Panel Assembly.>
6) Remove the support beam.
7) Remove the blower motor unit assembly. <Ref.
to AC-25, REMOVAL, Blower Motor Unit Assem-
bly.>
8) Disconnect the servo motor connector.
9) Loosen the bolt and nuts and remove the heater
and cooling unit.
Heater and Cooling Unit
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
B: INSTALLATION
1) Install in the reverse order of removal.
2) Charge refrigerant. <Ref. to AC-20, PROCE-
DURE, Refrigerant Charging Procedure.>
Tightening torque:
Refer to "COMPONENT" of "General Descrip-
tion". <Ref. to AC-5, HEATER COOLING
UNIT, COMPONENT, General Description.>
AC-00632
AC-00055
AC-33