Re: finding freon leaks

[sharksigns@xxxx]

Walt,
Your local mechanic may have a new leak detector that uses 
fluorescent dye which would give you a nice visual of where the leak 
may be hiding. It seems to work fine where other detection systems 
have failed. Hope this helps. 

--- In dmcnews@xxxx, "Walter" <Whalt@xxxx> wrote:
> I am trying to locate a leak in my a/c system and am having some 
trouble
> doing it. I just bought a leak sniffer from NAPA and put it to 
work. So
> far I seem to be finding a high concentration of CFCs between the 
frame and
> the fuel tank near the point where the flexible fuel lines meet the 
metal
> fuel lines. On the highest setting, the sensor beeps looking into 
the
> condensate drain line, but then it also beeps looking up my shirt 
sleeve.
> (Are my armpits THAT hazardous to the ozone layer?)
> 
> My theory is that freon is leaking through the condensate drain 
line or
> coming somewhere off the evaporator near the 'fire wall' and 
collecting in
> the low spot on the frame. Can anyone give some words of wisdom on 
how to
> proceed from here? I don't see any greasy spots from leaking 
refrigerant
> oil. Should I try to pull the tape/insulation surrounding the 
evaporator
> pipes via access through the spare tire panel, or should I attack 
it through
> the passenger foot well? I tried sniffing through the rubber hose 
on the
> a/c blower and don't find any CFCs there.
> 
> Walt Tampa, FL