> -----Original Message-----
> From: ffastje
>
> Tom Coulter wrote:
> >
> > '97 Dakota Sport 3.9L/2WD; 70,000miles
> >
> > Several years ago (2005), my cooling totally went South, and - busy as
> > I was - I sorta blew it off (= tolerated it). I got back on track
> > this summer and decided to add some refrigerant. I added almost 2
> > (13oz) cans and it came back into good operation: cooled like in the
> > good ol' days.
> >
> > That was almost a month ago. Since then, the cooling capacity has
> > steadily waned. I'm pretty sure I have a leak somewhere. Realizing
> > that a thorough leak check is probably in order, I wonder if anybody
> > has had this kinda thing happen and whether someone might point to the
> > top 2 or 3 likely culprits. Hose? Fitting?
> >
> > As always,. any thoughts are appreciated
> >
> >
> Tom I have been chasing the dam thing for two summers now. I have
> replced all the o rings, orifice tube cleaned and pulled a vacuum on it
> for 3 hours . Then I added dye and the correct amount of refrigerant it
> lasts for about 3 months and then nothing.
> I still have not seen any uv dye in two summers? any thoughts are
> appreciated. TIA
>
Have you used a black light to look for the leaks? I don't think it's
supposed to show up under normal lighting.
Ray
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