[bucky49]

We had a smell in our coach since new. At first we thought it was the leather couch and chairs we cleaned them and cleaned carpet. The smell would leave when we moved any large distance, but then came back. The factory changed the check valve on kitchen sewer vent. We left for winter and didn't have smell through travels south. After returning north and sitting parked for 1 1/2 months the smell is back. I don't smell it in bath and bed. I don't smell it under island. It is strongest at entry and in door side slide. Any ideas?