Fuel pump? It will sound like a gas leak.

"qdn" > wrote in message
oups.com...
> 2000 Town & Country Minivan - Hissing noise coming from the back on
> passenger side.
>
> Before I get under the van to do a detail inspection, I though a quick
> question may help.
>
> While driving, it continously hissing on and off as if the air is
> deflating from somewhere...
>
> Thks
> qdn
>