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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
huntnjim's avatar
huntnjim
Explorer
May 30, 2013
I have a 2013 Seneca same engine.
when the temperature gets around 200 the clutch fan comes on to cool the radiator and is very loud. so loud it is hard to have a conversation inside the cab. This is a great unit other than the noise. I believe it is common.

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