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Old 05-07-2021, 02:14 PM   #1
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Brand: Thor Motor Coach
Model: 2020 Vegas 25.6
State: Montana
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Water pump loud sound & vibration

The water pump used to be quiet.

There is no city hook up and just using pump as usual. Tried each faucet individually and exact same loud sound and vibration near rear closet and lower floor. The floor actually vibrates. We are afraid based on this new sound that it will fail and flood the home.

Need suggestions?

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Old 05-07-2021, 02:17 PM   #2
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Replace your water pump...
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Old 05-07-2021, 03:06 PM   #3
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Model: '17-Vegas 24.1
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replacement is generally under $75, depending on where you buy.

you can also re-build the pump. generally the "diaphragm" goes bad.

when i experienced a noisy pump, I purchased a new/matching one on Amazon. It was abt $60
I also, ordered a new re-build kit with diaphragm to repair the noisy pump. The kit was under $30

So now i have an installed quiet pump, and a replacement re-built quiet pump.

PS - for you it may be something as simple as the plastic hoses vibrating against a wall. check for that first
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Old 05-07-2021, 03:14 PM   #4
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Model: ACE 27.1
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Didn't you have water pump problems before? Fixed by your RV guy Kurt? Maybe he left something loose?

https://www.thorforums.com/forums/f8...ump-25792.html
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Old 05-07-2021, 07:39 PM   #5
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No the water lines were leaking and the pump strainer before..

Thor said kurts can diagnose and if needed replace thx
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