Last spring I put my windshield in the 48,and it has leaked every time it rains.So here is what I'm up against,when I got the glass cut I brought them a original glass for them to use.But when I got them the corners were cut a little wrong,but I was told that it wouldn't be a problem.Then I used the cheap seal,and didn't use any sealer.So what I would like to know is,can I go back and put sealer under the lip of the seal,and what would be the best stuff to use that I can get at the local auto parts store?