Here's what worked for me:
I ended up widening the channel in the crimped area a little bit, sliding the seal in from the rear to the front, and then re-crimping. Do the crimped section on both sides first (be sure the seal is straight up along its entire lenght before glueing anything). Then glue the middle of the seal at the bottom of the "U". There is a mold mark that allows lining up with the center of the top retaining pin. After this adhesive cures it is easy to glue the rest of the seal into the channel on both sides of center. Worked fine for me but if someone has a better way that's great .
When removing the old seal, I found it works best to poke something that won't gouge or scratch the paint under the seal and then levering up while moving along. Something like opening the top of a tin can. I had tried pulling up on the old seal with pliers but all I got was pea sized pieces. Would have taken forever.
To remove the old adhesive I got weatherstrip adhesive remover from 3M. I thought since they make the adhesive, I would use their remover. Seems to be a citrus product. Possibly any citrus degreaser would work as well at less cost. To get the little "stick ons", a minature BRASS wire brush in a rotary (dremel) tool makes short work of it.
Gus