Wheaterstrip

Forum: 

Hi All,
I have a Terios of 2007 (series II), and the external wheaterstrip of door glasses are now damaged. And I need to replace them.
I am trying to find them in some shops, but I believe that I should order in Dahiatsu only...
My question is:
- to replace the external wheaterstrips, is it necessary to open the door panels, or can be done from outside without removing the panel?
- is it a work that I can do by myself, or it must be done by a specialized mechanic?
- is it necessary any special tool?
Thanks
Kind regards
KenParker