03-22-2019, 11:34 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,884
THOR #6826
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Quote:
Originally Posted by jimbo12
Well, I just found the source of the noise. I was checking my air filter and a big ole mud dauber nest fell out when I opened the housing. The are two 1/2 holes on the side of the filter housing so they must of gotten in there. The nest was loose and must have hit its resonate frequency of vibration around 2300 rpm. Go figure.
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Wow! That’s.....unusual.
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