Subaru Impreza 2003 Service Manual page 2752

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HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
14.Heater and Cooling Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-20, OPERATION,
Refrigerant Recovery Procedure.>
3) Drain LLC from the radiator.
4) Remove the bolt securing expansion valve and
pipe in engine compartment. Release the heater
hose clamps in engine compartment to remove the
hoses.
• LHD MODEL
• RHD MODEL
5) Remove the instrument panel. <Ref. to EI-43,
REMOVAL, Instrument Panel Assembly.>
6) Remove the support beam.
7) Remove the blower motor unit assembly. <Ref.
to AC-26, REMOVAL, Blower Motor Unit Assem-
bly.>
8) Disconnect the servo motor connectors.
HEATER AND COOLING UNIT
AC-00632
AC-00054
AC-34
9) Loosen the bolt and nuts to remove the heater
and cooling unit.
B: INSTALLATION
1) Install in the reverse order of removal.
2) Charge refrigerant. <Ref. to AC-21, OPERA-
TION, Refrigerant Charging Procedure.>
Tightening torque:
Refer to COMPONENT in General Descrip-
tion. <Ref. to AC-5, HEATER COOLING UNIT,
COMPONENT, General Description.>
AC-00055

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