I have installed the aux fan too!
It basically acts as a supercharger, forcing more air into the system. It feeds
both
the a/c and the heater. The results are fantastic. I highly recommend it as
well as
the previous mods mentioned.
Jim
Olenick, Jamison wrote:
> > The way the aux fan is installed (in the heater door), it
> > sounds like it only boosts the output of the heater and not the A/C as it
> > would not force air over the evaporator. Is that correct??
>
> Alan,
> I had the whole thing apart and did not stop to completely figure out the
> system. It would have been easy with it all apart though.
> So...the rest of this is from what I think that I remember....
> For A/C, I think that the aux fan takes air from the inside of the car and
> sends it by the heater core but not through it beacuse the hot/cold control
> would be set on cold and the door that controls how much heat would be on the
> back side of the heater core (causing it to stop flow in that dirrection)) and
> adding to the regular fan and then going through the evaporator...so it could
> only help the A/C.
> As for the heat...it seemed like that the output of the aux fan went right
>to
> the intake of the regular fan after going past the back side of the heater
>core
> (like the A/C). Normally the regular fan would suck air through the heater
>core
> and then out but when the aux fan would be on IT would be pushing air into the
> intake of the reg fan thus removing all vacuum that the reg fan was supposed
>to
> provide to get the warm air through the system.
> Maybe there is someone else out there that knows for sure? Or has theirs
> apart and can tell us the possible paths through the system. (with or without
> the aux fan)
> If I am totally wrong I would not mind hearing it.
>
> Jamie
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