TT-911

March 2008 the manufacturing process was updated including a different adhesive.
But eventually also those updated once will need some kind of (preventive) maintenance.

On a side note, I have hard time understanding the anxiety and angst about this, all in all, minor issue. Every other day or so I read a post about it.
It happens, it's not what we like and want but it sure is not a big deal either.

If you keep the car long enough much more maintenance will have to be done. It's a car, they wear