Ray Block wrote:
>
>
>> -----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
>
>
>
>
Yes i have used the black light with no dye found.
-- ffastje@cox.net ffastje@gmail.com 1999 dakota cc 3.9L 4X4 63,106 miles
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