While I am late to this topic, I had a similar problem on my 3295. I found that the slide was pushing the seal away from the side wall. I solved it (temporary) by moving the bedroom slide back in until the seal was flat against the sidewall. Then no leak and I left the slides out all last summer. I was going to re adjust the stroke of the slide ram this spring. I think I'll try the easy stuff first, if it ever gets to be spring in Wisconsin.
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