AC-39
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
Heater Cooling Unit
14.Heater Cooling Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-26, OPERATION,
Refrigerant Recovery Procedure.>
3) Drain the engine coolant from 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.
5) Remove the instrument panel. <Ref. to EI-40,
REMOVAL, Instrument Panel Assembly.>
6) Remove the support beam.
7) Remove the blower motor unit assembly. <Ref.
to AC-32, REMOVAL, Blower Motor Unit Assem-
bly.>
8) Disconnect the servo motor connectors.
9) Remove 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-27, 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-00870
AC-00055
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