Sealing tail lights - water leak

[Dave Fain]

I used the 3M strip caulk on my 4KQ and stopped the leak.  There was enough
in the package to do 2 cars.  As I recall, there was a big round rubber
bumper on either side that mounted through a hole right where the water runs
down.  Probably the same on the 5000.  Maybe yours are missing?
Dave


On Wed, Oct 26, 2011 at 10:43 AM, Dave C <dconner at gmail.com> wrote:
> Water is leaking into the trunk and I think it's from the seal between the
> tail lights in the trunk lid. ?This is a 1987 Audi 5000. ?I've re-sealed
it
> twice already using 3-M strip caulk 08578 but the leak seems worse than
> ever.
>
> I figure either this caulk is the wrong thing to use, or else there is a
> crack in the tail light which I didn't notice.
>
> I'm tempted to try re-sealing again with the Audi specific sealing
> material. ?It is p/n AKD-497-010-04-R10 (not sure about the last three
> characters in that p/n). ?It costs about $60 for a 10 meter roll.
>
> Does anyone know whether there is a significant difference between the 3M
> and Audi sealing materials?
>
> Dave C.