Re: Water dripping from mufler

"tommyhorse" <none@[EMAIL PROTECTED]
> wrote in message 
news:1202934_6fb72a45a8c8f65d8818b099793637c5@[EMAIL PROTECTED]
>I store my 2003 Silverado 1/2 ton over the winter.  I drive it
> occasionally when the roads are dry, maybe putting on 500 miles in 4
> months.  Once in awhile I back it out of the garage to get it out of
> the way then let it idle a few minutes to let the oil and coolant
> circulate and battery charge up.  The last couple of times, I've seen
> water dripping from the bottom seam of the mufler.  And it's left a
> trail of water back into the garage when I've put it back in.  I
> assume this is water coming from the converter.  The sound from the
> exhaust hasn't changed and I don't see exhaust coming out of the
> mufler.  The trucks got 50,000 miles on a 5.3 l engine and with the
> original exhaust system.  Is the mufler shot?

Many factory mufflers are designed to let water drain out of them to
prevent 
corrosion. If there's an actual seam degraded from rust or acidic
corrosion 
you should be able to detect an exhaust leak.