Noise

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Apr 27, 2008 | 09:07 PM

Bill Joanitis

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Joined: Jul 2003

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Noise

I pull a 31` 5th wheel, have plenty of power, at about 3000 rpm, on a 6% grade I get a high pitch whistle like noise.
Is that normal,? Thanks

Apr 27, 2008 | 09:17 PM

duffman77

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Joined: Apr 2006

Posts: 804

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From: Edmonton, AB

Could be the fan kicking in since your description is its happening during high engine load.

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