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flexdog1's avatar
flexdog1
Explorer
May 30, 2013

Cummins Frieghtliner M2 Business Class Engine Noise

I have a brand new 2013 Jayco Seneca with 360 miles on it. Engine is a Cummins ISB6.7. When I drive it, or rev it up, it sounds like it is sucking a lot of air through a screen - it is a very loud a...
Class C
flexdog1's avatar
flexdog1
Explorer
Jun 02, 2013
I FOUND IT!

The large silver hose that runs up to the radiator area had a loose clamp back at the engine. As I am still learning this engine, I am not exactly sure what this hose is, but after tightening the clamp back and the engine, the sound went away.



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