where in WA are you? in in kent and i've got the same thing going on, but the little bastards ate through my washer fluid line and pissed all over the place. i've been debating over the d-con, as i don't want them dying in some unreachable area and stinking up my house and/or truck. i'm dropping off my truck tomorrow for my 10K oil change and have the dealer inspect all the lines and what not to see if there's any more damage. hopefully its just that line and nothing more serious. good luck man