I have a problem that when driving down the road if I open the window we get a sewer smell thu out the MH. It does not smell when the windows are closed or at the campground. Has anyone experienced t...
it has to be from the motion getting the water out of the p traps. Sinks or shower can do it, either leave a little water in each sink with the stopper in place, or use these flat stopper. in each location including the shower. You could have to put something on them to hold them down tightly if you cant leave a little water in there. The toilet shouldnt be the source if a small amount of water is staying in the bowl to act as a barrier.