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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...
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flexdog1's avatar
flexdog1
Explorer
May 30, 2013
Nevadanick, thank you for the reply, but I don't think it is the fan. I had a loaner over spring break and I heard it kick on a couple times and what I am hearing is not the same thing. Plus, this noise starts from the first time you start the engine, not once the engine gets hot enough to engage the auxiliary fan.

I will check the hoses.

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