2021 ENTEGRA ESTEEM Fuelpropulsion System Problems

The RV had been driven about 20,000 miles and had about 250 accumulated hours on the onboard ONAN 4000 generator. I performed an oil change and did a test run of the generator when I happened to notice major generator tail pipe movement particularly during the start operation but which also continued during normal run operations. So I began to investigate and discovered that the tail pipe suspension mount nearest the exhaust point had become separated from the body of the coach but was still attached to the exhaust pipe. The mount was attached with a single bolt into a blind hole in the body panel. The mount had a very long perforated steel blade which was fastened to the body at only one low location. When the mount became dislodged, the steel blade was moving around significantly causing major abrasion to the generator electrical power line. On further observation,...