Sewer smell in cabin while driving
We have a 24 ft. 2005 Winnebago Chalet. When we are driving a noxious odor comes in from the black/grey water vents. We checked the AST vent under the sink in the kitchen and it seems fine. We got a ...
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My old class C would get that smell when driving it. I went up on the roof and checked the vent cap. I found the hole cut in the roof for the vent had about a 3/8 in. gap around the actual vent pipe. I sealed around the pipe, and the smell never came back.
