I had that happen. I took everything out and took it to an aoto detailing shop who took care of it. 

Jim

On Jun 2, 2012, at 4:28 PM, JRodgers <jrodgers113@GMAIL.COM> wrote:

> My Blue 88 GL apparently has leaked a long time. I'm just now get5ting
> it out to drive it some and and discovered it. The carpet and pad
> underneath is absolutely soaked from the heater forward to the base of
> the front seats. Worked on the heater today and found the extent of the
> damage. Is there any way to get all that antifreeze out of the carpet
> and the pad underneath? Squeeze the pad and antifreeze runs out. It's
> that bad.
> 
> Thanks,
> 
> John