We had this exhaust noise since we bought our 2001 E450 RV last year. It is only happening under some loads and some Rpm I believe. I recorded this video (for sound only) from the back of the RV just above where the exhaust is. https://vimeo.com/197321180 From the drier seat it sounds like a...

This is my first post here as I have just bought a 2002 e450 based class C motorhome. But I am off to have a very bad start, 500 miles from home, on our first trip, the engine died while driving at 65 on the highway. It did restart but stalled again later few more times. Managed to drive to a...