Try adjusting the strikers. That ended up being my name ssue at the tailgate. Now, if I can find solve the leak between the #1 & #2 panels.suzyq said:How about a Roll up tonneau cover. I would go with this over the existing covers to keep water out but they are 500-600 bucks for the avalanche. Most of the water is coming from the tailgate with a large gap between it and cover.