If you have a Marshall regulator it has a pop-off. However if the pop-off
is activated from too much pressure it craters the regulator and will not
function any longer.
LP fuel will sometimes linger so that smell might just be temporary.
I get a slight leak when I back off my valve to the open position until
it hits the stem seat. When I close it I get the same minor leak until it
reaches the closed seat. I had my valve assembly off the van but chose
not to replace the stem seals because the leaking is very minor from full
open to full close.
I think you should wait a few says and see if it leaks down any.
The only thing that I can think of that might cause a leak like you
describe is a cracked or worm seal on the valve stem.
If you're getting liquid from the bleeder then you are most likely full.
Always open the valve fully and close it fully. There are no intermediate
positions.

Stan Wilder

On Sun, 31 Mar 2002 21:54:38 -0500 Edward Maglott
<emaglott@BUNCOMBE.MAIN.NC.US> writes:
> I got my used propane tank mounted and hooked up, and went to get it
> filled.  The guy filled it up from empty, and said it took 3
> gallons.  Now
> here's what it's doing...  If I open the bleed valve, I am pretty
> sure I am
> getting liquid propane.  It looks like a white stream, and makes a
> cold
> white spot on the bottom of the van where it is pointed.  when i
> open the
> valve to the regulator, I get wooshing clouds of white vapor, until
> the
> valve is all the way open.  Same thing happens when I close it, and
> it
> tapers off and stops after it is closed. I first thought this was
> coming
> from the valve stem area, now I think it is coming from the
> regulator.  When the valve is open, I can smell gas.  I tried all
> around
> with the soapy water, found nothing.  Left it on for a little while
> and
> then came back to find the first stage of the regulator all covered
> with
> frost.  (This being the stage closer to the tank.)  I then felt the
> leak
> coming from a hole in that first stage of the regulator.  It looks
> like the
> hole is supposed to be there.  Is my tank over filled?  Would this
> symptom
> be caused by an overfilled tank or bad regulator?
>
> The reliable source I got the tank from said it was working fine
> when removed.
>
> Edward
>

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