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07-28-2018, 05:21 PM
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#1
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New Member
Join Date: Mar 2018
Location: Weatherford
Posts: 9
M.O.C. #21311
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Tank vent
We are away from the 3791rd and had a call from our friend who is watching it He said that water was dripping out the rear tank vent He said it stopped when he turned off the water He said it’s coming out where it’s labeled tank vent The water pressure is 45 psi? Any thoughts on what it could be ? We had stay there a week with no leaks and then left Thursday for a few days He said it started leaking today ? Thanks for any help Wayne
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07-28-2018, 05:56 PM
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#2
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,900
M.O.C. #20477
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Wayne,
Welcome to the forum!
I could be several things causing the leak like a faucet dripping and overfilling a tank. Hopefully it is nothing but I would recommend not leaving water turned on when you leave the rig. I turn mine off even if we are just leaving for a few hours.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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07-28-2018, 07:05 PM
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#3
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Assuming the fresh water tank is in the rear … it you have the fresh water selector set to gravity and city water hooked up, you are filling the fresh water tank. If that's the case … the tank is full and overflowing via the vent. Or something else is going on with the selector valve would be my guess.
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07-28-2018, 09:46 PM
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#4
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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X2 with dieselguy on that
__________________
Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
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07-29-2018, 06:16 AM
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#5
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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X3 to dieselguy
Might disconnect fresh fill line from its valve turn on water and see if it leaks (if you have power fill)!
__________________
James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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07-31-2018, 05:56 AM
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#6
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New Member
Join Date: Mar 2018
Location: Weatherford
Posts: 9
M.O.C. #21311
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After returning and turning the water back on the vent started leaking I notice the water pump was on but the value that fills the fresh water was or is closed I drained part of the fresh water tank and turn off the water pump The leak stopped We had parked here for a week with no problem waking with Morning to a slow leak and the fresh water tank is full again with the fill value closed? Could it be filling through the water pump I don’t know where to start The water psi is 45? Any help would be appreciated
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07-31-2018, 07:52 AM
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#7
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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I'd say there are two possibilities here … check valve in water pump or the selector valve itself. If you remove the large plastic cover behind your convenience center so you can get at the pump or valve, you could use pincher pliers to clamp the output line on the pump to see if the issue goes away. Sometimes sediment gets in the pump valve and if you're lucky you can simply remove the valve and clear it. If it ends up being the selector valve, that's easy to replace as well, but you may have to borrow a crimping tool.
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07-31-2018, 10:24 AM
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#8
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New Member
Join Date: Mar 2018
Location: Weatherford
Posts: 9
M.O.C. #21311
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Thank you I try that
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07-31-2018, 06:41 PM
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#9
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,679
M.O.C. #12947
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If you are happy with the pump, you can cut in a check valve into the line on the tank side of the pump. I had the same problem a few years ago, and that was the fix I made. A couple years later I had to replace the pump due to a different issue, and the check valve is still there causing no problem. I used a pvc check valve along with a shark bite adapter on both ends, and just cut a section of pex out of the line and installed the check valve. Just make sure the flow arrow on the check valve is pointed to the pump. The check valve is in the center of the photo.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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07-31-2018, 07:55 PM
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#10
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New Member
Join Date: Mar 2018
Location: Weatherford
Posts: 9
M.O.C. #21311
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Thank you for the help
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