It's a lot more common to put the evaporator inside the passenger cabin on
FWD vehicles, also most RWD vehicles since about 1980. Dakota Gen1/Gen2
were also inside (dunno about later).
RwP
On Wed, Jun 26, 2013 at 1:53 PM, Zito, James A (GE Power & Water) <
james.zito@ge.com> wrote:
>
> >From Dave G:
>
>
> >>I don't understand what you're getting at here. The HVAC box has the
> evaporator in it. That has to be in the cabin. If you're getting
> condensation on the outside of >>the HVAC box (have you pulled the dash to
> verify this?), something is wonky. There should be condentsation happening
> inside the box, and running out the drain at >>the bottom.
>
>
>
> No for literally decades, evaps lived in the engine bay. The Dakota is
> the ONLY vehicle I've ever owned with A/C that had the evap in the cabin.
> And this includes GM, Frod, Nissan and Toyotas. And vehicles from the
> late 60's through the present day.
>
>
>
> Typically folks run the AC with the windows closed, in that configuration,
> the humidity in the cabin air DOES end up condensing out on the inside of
> the HVAC box and runs out the drain. However, that assumes the unit is
> either in recirc mode so there is a finite supply of humidity, or is being
> fed outside air through the ducts and condenses the humidty before it
> reaches the cabin. But when folks run AC with the windows down, for
> whatever reason, the outside of the HVAC box basically reaches the same
> temperature as the evap core and with the "infinite" supply of humidity it
> condenses out on the exterior of the HVAC box. It's simple physics.......
>
>
>
> Jim
>
>
>
>
>
>
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