| Evaporator Core—The
a/c evaporator is like a small radiator but instead of containing hot
antifreeze it contains cold Freon gas. The cold Freon gas passes
through the evaporator thus making the evaporator very cold. The
a/c blower fan is located behind the evaporator and blows air across it
and that cold air travels through the dash duct work and out the vents
inside the car. Consider the evaporator like a block of ice in
your hand and when you blow across it like the blower fan you get cold
air. The a/c water you see dripping from under the passenger side
of the car is coming from condensation at the evaporator core.
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