I took my inner tailgate panel off the other day (the tail gate was down)and noticed that the window "does not" catch while I rolled the window to the up position. But, when I have the tail gate closed and try to roll the window up, it catches about 3/4 of the way up? I was trying to locate the part that it catches on to fix it, but I don't know what to look for now? Anybody else have the same problem? Thanks for the help!