Sometimes they get too much into your tank or the gas expands a little
after it's transferred. I just had one of those after filling my portable
tank.  I let it leak, outside, and it soon stopped.
On Mar 14, 2014 2:48 PM, "Dave Mcneely" <mcneely4@cox.net> wrote:
>
> Had my propane tank (1991 Volkswagen Vanagon GL Campmobile) filled this
morning.  An hour later I noticed a propane odor around the beast.  A quick
check revealed a wet cap and frost on the propane filler valve.  Removal of
the cap resulted in a slow stream of vapor, not with enough force to hiss,
from the valve.  Looking into the valve revealed a stem or other
cylindrical piece of brass visible, not normal.  I put the cap back on and
took the van to the shop that filled the tank.  This time, removal of the
cap released propane under pressure, and a hiss from the valve, with vapor.
 Then it stopped.

> I asked the shop foreman what he would do if he were about to drive
several hundred miles and camp in the outback.  He said he would go
>
> What say you guys?  BTW, he refused any payment, saying come back and buy
propane, or repairs if and when needed.
>
>  David McNeely