Aviator 2WD V8-4.6L DOHC (2003)
Housing Assembly HVAC: Service and Repair
Auxiliary Heater Core and Evaporator Core Housing
AUXILIARY CLIMATE CONTROL HOUSING, ASSEMBLY AND COMPONENTS
CAUTION: This engine is equipped with a cold side thermostat. Whenever the engine block or the front or rear (auxiliary) heater cores have
been drained, fill and bleed procedures must be carried out or damage to the engine can occur.
NOTE:
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Installation of a new receiver/drier is not required when repairing the air conditioning system except when there is physical evidence of
contamination from a failed A/C compressor or damage to the receiver/drier
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New O-ring seals, lubricated in clean PAG oil must be installed before reconnecting any A/C fitting which has been disconnected.
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Clean and lubricate the coolant hoses with plain water only if needed.
REMOVAL
1. Position the vehicle on a hoist with the gear selector in NEUTRAL.
2. Recover the refrigerant.
3. Remove the LH quarter trim panel.
Illustration 1 Of 2
4. Illustration 1 of 2. Remove the components in the order indicated in the illustration and table.
