F 150 4WD Pickup V8-4.6L VIN W (2006)
Heater Core Case: Service and Repair
HEATER CORE AND EVAPORATOR CORE HOUSING
Removal and Installation
NOTE:
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If an evaporator core leak is suspected, the evaporator core must be vacuum leak tested before it is removed from the vehicle.
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If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
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Failure to correctly install the evaporator core seal when installing the evaporator core will result in decreased A/C cooling efficiency due to
airflow bypassing the evaporator core.
