You can add a fluorescent dye ( most AC shops will have this )to the
system drive it for a while then examine all the hoses etc under
"black light" The leaks will be very appaent.
On 15-Jul-06, at 10:00 PM, Automatic digest processor wrote:

> Date:    Sat, 15 Jul 2006 21:24:41 -0500
> From:    BJ Feddish <bfeddish@NETREACH.NET>
> Subject: Detecting R134a Leaks
>
> The AC in my 83.5 Westy has a leak. It was converted to R134a a few
> years
> ago but it never worked right. It leaks out pretty fast. Is there a
> way to
> determine where the leak is? Also, is there some "sniffer" to make
> sure none
> of it is leaking into the passenger area?
>
> The irony of it all is I bought this van 8 years ago because it had
> AC.
> Passing up shiny 87's,e etc. w/o AC at the time.....
>
> Thanks,
> Bryan