How Do I Fix A Leak In The Seal Between Driver Cab And Motorhome Living Quarters?

by Mike

I bought a used 2000 Fleetwood Jamboree. After several uses I found that the seal between the cab and the living quarters has a gap that is letting in air (have not driven in rain yet). Wondering what would be the best material to use to reseal the gap.

Do I need to cut out the old seal before sealing? The maintenance department where I bought it suggested silicone. One article online said you could not reseal silicone later because it does not stick to itself. I would love to hear any suggestions you might have.

ANSWER Greetings Mike thanks for submitting your question on our Ask An RV Question Page.

I would first try as the service department suggested using some Silicone Sealant or Weatherstrip Adhesive. Without actually looking at the problem you are talking about; it would be hard for me to tell you whether you should cut out the old material or not.

If the old seal is in decent shape you may just want to clean it thoroughly and use the silicone sealant or Weatherstrip Adhesive to fill the gaps. If you are worried about the silicone or weatherstrip adhesive adhering; you could use some fine grain sandpaper to rough up the area before applying the silicone or adhesive. If the old seal is brittle then it should be replaced.

The only way you will know if the silicone or weatherstrip adhesive will be an easy fix is to try it. Once it has cured you should drive the RV around a little bit to see if it holds. You may also want to use your garden hose and check for leaks after the repair.

If you determine that this will not fix your problem I suggest you have the seal replaced by a qualified RV repair facility.

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Happy RVing

RVing Al

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