mrkemanExplorerJun 08, 2021Sewer smellI 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...Show More
wolfe10ExplorerJun 08, 2021Smell under the sinks the next time this happens to see if your AIR ADMITTANCE VALVE is allowing the smell in. Easy and inexpensive to replace.