On Jul 6, 3:07*am, Jay <debnjayista...@yahoo.com> wrote:
> Possibly a stupid question but I'll ask it anyway. *Off and on I've hadthe
> leaky onstar antenna on my 2004 Grand Prix GTP. *I "fixed" it a while back
> following the instructions posted online but it still leaks once in a
> while. *Anyway, fairly regularly when I'm making a turn, accelerating, or
> braking I hear what sounds like water rushing or swirling around. *Is it
> possible there's a bunch of water that leaked in through the antenna and is
> trapped in the roof? *Or somewhere else? *Or is this AC condensation
> somewhere? *Or ???
>
> Thanks.

possibly also check the doors drain holes on the bottom of each door.