It seems the Winnebago's have a design problem that allows water to sit in the area (trough) above the windshield that will eventually rust the steel pinchweld area around the windshield.
There are a few things you can do, get the rubber trim off the top of the windshields and remove the piece that holds the rubber trim in and check where you can for rust. Clean the area as best you can and treat the metal with something like rusty metal primer. Once you are satisfied you have "arrested" the rust put the trim piece back in with 3M doublestick outdoor tape.
Next using 3M 191 moisture resistant and UV resistant 1 1/2" black tape, seal across both windshield rubber trim strips at the top. (Scotch® Colored Plastic Tape - Catalog No. 191 1-1/2 inch x 125 inch. Super thin, waterproof vinyl plastic tape). This tape is available at Ace Hardware stores, and is also available in white and other colors.
3M 191BK "Scotch" Color Plastic Tape 1.5'' X 125'' - Black
I have "quarter size" hole above my passenger w/s I've treated when I purchased the unit 2 years ago and with the tape it hasn't leaked, this tape is great and a necessity for any RVer to have with him.
The next thing you want to do is to always park your vehicle so the front is elevated above the rear forcing water to run to the rear of the unit.
This will keep take care of most of the problems people are experiencing with their leaks, and when you have your windshield replaced due to rust, do the same thing again with the 3M 191 tape at the top. I have had no leaks over the past 1 1/2 years and I still have a whole probably the size of a quarter on one side that only has the black windshield urethane sealing it up, the key is the 3M tape and the way you're parking your vehicle.
This seems to be a good and inexpensive way around WB's design flaws.
Quote:
Originally Posted by mrschwarz
I have leaks across the top of my windshield. It is a single pane unit. It leaks in multiple places. I provided a temporary fix by putting a strip of Gorilla duct tape across the top of the exterior rubber gasket. It works, but I'm going to need a permanent fix. We are in Alaska. Surprisingly, the other night I camped at a park where the guy next to me had the exact same year/model. He also has a leaky windshield. He borrowed my duct tape last night and this morning after the latest rainstorm he is also leak free.
Does anyone have any suggestions on how to permanently fix this? On our way back from Alaska, I was thinking of swinging by Forest City. Is this something that Winnie would do?
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Best of luck with your project.
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