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08-11-2022, 09:58 AM
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#1
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Member
Outdoors RV Owners Club
Join Date: Mar 2022
Location: Western MT
Posts: 45
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water pump vibration
All was well until I completely drained the fresh water tank and refilled it.
Now, all of the faucets vibrate when opened. The pump doesn't cycle like it used to, but runs continuously while the faucet is open.
What I've checked:
There's no vibration at all when connected to city water, so probably not air in system?
The pump is quite secure to the floor.
When there are no faucets open, the pump almost never runs, so I don't think there are leaks.
In this installation, there's already a flex hose at the output of the pump to absorb pressure pulses(see photo)
The pump is a Shurflo 4008-101-A65
The 22FQS trailer is a 2021 model, and not seen extensive use.
Any ideas on what happened, and how to tame it?
__________________
2021 ORV 22FQS, Victron Lynx, Cerbo, smartshunt
300AH Renogy AGM, 630W solar
2017 RAM 3500 6.7L SRW
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08-11-2022, 10:11 AM
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#2
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Senior Member
Join Date: Aug 2019
Location: Mill Creek, WA
Posts: 744
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What happens if you pump water using the winterization pipe from a bucket of water? Same vibration?
__________________
2020 Black Stone 280KVS Titanium
2020 RAM 2500 Diesel 4x4
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08-11-2022, 10:13 AM
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#3
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Senior Member
Join Date: Sep 2013
Location: West Virginia
Posts: 571
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Have you checked the strainer on the pump for debris from the water tank?
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2022 Keystone Cougar 24RDS
2017 F350 6.7L CCLB DRW 4x4 Ruby Red
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08-11-2022, 10:51 AM
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#4
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Member
Outdoors RV Owners Club
Join Date: Mar 2022
Location: Western MT
Posts: 45
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thanks for the ideas, guys
It still vibrates when using the winterization pickup
the filter is clear
As I left it running, it definitely sounded like a vibration behind the cabinets, so I"ll check for loose lines banging
However even if that were true, it still would not explain why it runs continuously.
__________________
2021 ORV 22FQS, Victron Lynx, Cerbo, smartshunt
300AH Renogy AGM, 630W solar
2017 RAM 3500 6.7L SRW
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08-11-2022, 01:51 PM
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#5
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Senior Member
Join Date: Dec 2018
Location: California
Posts: 715
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My guess is you need to open all your farthest faucet from the pump and let it run several minutes...then the next closes faucet etc. Even the toilet and the out door shower will likely need purging. I changed an undersink filter on my set up the other day and I couldn't believe how long it took to get it cleared up and stop shaking about.........
__________________
V465
2015 Creek Side 20fq, 450 Watts of Samlex Solar,
2013 GMC Denali, Duramax, Retired in 2021
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08-11-2022, 03:19 PM
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#6
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Member
Outdoors RV Owners Club
Join Date: Mar 2022
Location: Western MT
Posts: 45
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Thx Vintage- good to know. Wish there was a more elegant way...
__________________
2021 ORV 22FQS, Victron Lynx, Cerbo, smartshunt
300AH Renogy AGM, 630W solar
2017 RAM 3500 6.7L SRW
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08-11-2022, 05:33 PM
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#7
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Senior Member
Join Date: Jul 2021
Location: Idaho Falls, ID
Posts: 100
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One time I thought I had bled all the lines but I was still getting pump problems. Turned out the external shower had air in the line. After I purged it everything was fine.
__________________
2022 Timber Ridge 22FQS
2020 Chevy Duramax 3500
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08-13-2022, 04:42 PM
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#8
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Member
Outdoors RV Owners Club
Join Date: Mar 2022
Location: Western MT
Posts: 45
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well, it solved itself. DW took it for a weekend, and after one day's use, problem disappeared. I guess all it took was a bit more flow.
Thx for all the suggestions
__________________
2021 ORV 22FQS, Victron Lynx, Cerbo, smartshunt
300AH Renogy AGM, 630W solar
2017 RAM 3500 6.7L SRW
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