Two sources are the lights above and roof seam caulking where the main roof joins the front cap along with where it transitions to the sidewalls and along the awning rails running down both sides of the coach. If the caulking fails water will follow the framing to the front roll cage and drip down the windshield. Many owners mess up by using a silicon or other hardware store window caulks instead of the Manus Bond specified by Winnebago,
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Neil V
2001 Winnebago Adventurer WFG35U
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