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Hello, my name is Tom Brintzenhofe, certified master mechanic from Reading, PA and I'll
be talking to you today about what a heat exchanger is. Basically, a heat exchanger
is misconstrued. The correct name on a vehicle would be a either a radiator, heater core,
condenser, evaporator, either of which would be used to either exchange hot to cold, remove
heat to cold for your air conditioning. On this particular Jeep, your radiator, right
here, we'll use that for an example, this takes the engine heat through the coolant
and brings it through the radiator and the rush of air coming through your radiator removes
that heat and cools your coolant down, goes back in there and keeps it a certain temperature.
When you're pertaining to, maybe even an air conditioner. The evaporator core is basically,
takes the freon in a liquid state, goes through the evaporator core and when the air is going
through it, it takes the heat from the air from the outside, and when it blows over it,
it blows the cold air on the inside - pulls it through the fan. The other thing, the heater
core also, the heating part of the vehicle, will take the hot coolant from the engine
- obviously through the radiator, the water pump - and pushes it back in through there,
and as it circles through the heater core, you've got two ports, in and out, as it comes
in you've got the hot coolant going through it, the air blows over it, takes the colder
air from the outside, blows it through the heater core, and that's where you get your
warm air from, then it gets circulated back through the motor. It's an ongoing process
of taking warm coolant, heating up the air or evaporator, cooling the air, and bringing
that back through. It's a really simple process. There not really much to it. And that's basically
what I can say about the heat exchanger.