I removed the exterior vent and then I put some silicon sealant (or was it
seam sealer?) in behind the vent when I reinstalled it.  I don't know if that will
help, but I did it.  I also spray liberally with Krown or Rust-Check anti rust 'oil'
each time I take anything!! apart.   Malcolm S

S wrote:

>  My question is, does anyone have any suggestions for preventing water from
> collecting there or soaking the insulation in the first place?  I suspect the
> water is a combination of condensation from the fridge, and water dripped
> down through the vent slots, but I don't know for sure.
>
> Thanks.
>
>                                   -Steven Sittser