I would suggest pumping some good quality urethane under the gasket
(outside). I have heard that silicone will react with metal and was told
not to use it by an auto-glass installer.

On Mon, 18 Aug 1997, Michael T. DeLessio wrote:

> 
> Hello all,
> 
> I found a large puddle of water on the driver's side floor mat of my '84
> Westy this morning.  Having had heavy rain the night before, I checked all
> the windows, they were all closed.  I did notice a small amount of water
> collecting on the dash next to the lower left hand side of the windshield.
> The water seems to have come from under the seal.  The Windshield seal is in
> great shape, and there is no visible rust around the outside of the seal.  I
> was wondering if there was a sealant I could use around the seal to keep
> this from happening again.   I really don't want to replace the seal if I
> don't have to.
> 
> Any Ideas??
> 
> Thanks
> Mike D
> 
> 
> '84 Westy
> '97 Passat GLX VR6
> '96 Canaondale F-700
> '95 Cannondale R-600
> 
>