On the upper right hand corner of each side glass near the top of the windshield, you will see a triangular shaped piece of black plastic. Gently try to bend these pieces down a bit in order to crimp the rubber down a little more. This may help.
Article ID: 666
Created: July 31, 2014
Last Updated: July 31, 2014
Author: Rob Loszewski
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article.php?id=666