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03-26-2023, 10:26 AM
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#1
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New Member
Join Date: Mar 2023
Location: Lumberton
Posts: 5
M.O.C. #32508
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Help me, please
Brand new RVer here and we are trying to go home. Went outside t to drain waste tanks and nothing is happening. Pulled black water tank first, then both gray tanks nothing came out. Any ideas? I’m stuck!
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03-26-2023, 10:34 AM
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#2
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,623
M.O.C. #20477
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James,
Are you in freezing conditions?
Otherwise if you didn't put much in and the rig is not level it may not drain.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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03-26-2023, 10:37 AM
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#3
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New Member
Join Date: Mar 2023
Location: Lumberton
Posts: 5
M.O.C. #32508
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No it is 70* and I am supposedly level, per the auto level. Should I go ahead and use tank cleaner/sprayer to see if I can get it cleaned out?
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03-26-2023, 10:40 AM
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#4
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 6,777
M.O.C. #4831
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No to the tank sprayer/cleaner. It only affects the black tank. You don't want to add more liquid when there is no way for it to escape assuming all three tanks are not draining.
Close the black tank valve. remove the sewer hose and run a hose up the line with the galley (or shower) valve open to check for an obstruction.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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03-26-2023, 10:42 AM
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#5
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,623
M.O.C. #20477
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Run water in for a couple of minutes to see if it comes out but do not overfill if you think the tank may be nearly full.
Sometime the last 2-5 gallons do not drain well and if you didn't first put 5 gallons or so of water in the black tank and only camped a couple of days you will not get much out.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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03-26-2023, 11:31 AM
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#6
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,408
M.O.C. #12947
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Were all the valves fully closed to start with? If not, there might not be anything liquid in the tanks to drain.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-26-2023, 05:31 PM
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#7
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Montana Master
Join Date: Oct 2018
Location: Anderson
Posts: 2,110
M.O.C. #22835
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Quote:
Originally Posted by rohrmann
Were all the valves fully closed to start with? If not, there might not be anything liquid in the tanks to drain.
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Bingo! My thoughts exactly, especially if the OP was hooked up to a sewer outlet during this time.
__________________
Who you are right now is a sum total off all you use to be.
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
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03-26-2023, 06:00 PM
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#8
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,207
M.O.C. #2283
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I agree. Either he didn’t put any water in them, not possible or it drained out, probable. I think close the valves put some water in each tank. If water drains out the valves weren’t closed. The chances of all valves going bad at once slim to none. The other possibility the cables to the valves all went bad at once and they won’t open. Again slim to none.
Lynwood
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03-29-2023, 02:10 PM
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#9
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Established Member
Join Date: Oct 2020
Location: Miami Lakes
Posts: 47
M.O.C. #27367
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Quote:
Originally Posted by SonnyP3
Brand new RVer here and we are trying to go home. Went outside t to drain waste tanks and nothing is happening. Pulled black water tank first, then both gray tanks nothing came out. Any ideas? I’m stuck!
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Ok, so really you're not stuck. Close the tanks and pack up and head home. I agree with the others, you probably forgot to close your grey tanks the night before to build up a reserve so that you could flush out the hoses after flushing the black tanks. Therefor you're trying to flush out what isn't there.
I agree also that there is ZERO chance that all your cables went out at the same time unless the factory forgot to complete the assembly and they didn't do PDI; which is possible but not probable.
We are all curious, please let us know what exactly it was a when you figure it out so that we can all learn from it. Good luck
__________________
Manny & Myrna
2021 - 3791RD
2021 F450 Super Duty
 
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03-29-2023, 03:25 PM
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#10
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Seasoned Camper
Join Date: Apr 2018
Location: Peachtree City
Posts: 89
M.O.C. #21599
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This might be the obvious Q: what do you sensors indicate? Although not so reliable, since this is new, you haven't used it enough to double the sensors. They might still be a reliable indicator.
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2019 3931FB, 2011 F450 DRW KR
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03-29-2023, 04:18 PM
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#11
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Established Member
Join Date: Mar 2017
Location: Illinois
Posts: 44
M.O.C. #19500
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No one Asked did you have stinkly slinkiy hose hooked to waste dump & HOW LONG HAVE YOU BEEN PARKED? Is this a couple days worth of waste or a couple weeks? If valves not completely shut then a slow liquid leak off possible. That would leave solids in Black tank.
__________________
Dave & Kathy + Andi & Tucker (Golden Retrievers)
2017 Montana HC 353RL - Sailun S637's, Progressive EMS-HW50C
2017 Ford F350 Lariat CC 6.7L SRW LB, B&W Companion OEM puck mt.
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03-29-2023, 05:08 PM
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#12
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Established Member
Join Date: Apr 2020
Location: Volant
Posts: 45
M.O.C. #26178
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are you hooked to a sewer
Quote:
Originally Posted by SonnyP3
Brand new RVer here and we are trying to go home. Went outside t to drain waste tanks and nothing is happening. Pulled black water tank first, then both gray tanks nothing came out. Any ideas? I’m stuck!
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Are you hooked to a dump pipe at a camp ground or what and how long have you been sitting there, ect
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03-29-2023, 07:11 PM
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#13
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Montana Fan
Join Date: Sep 2018
Location: Terry
Posts: 145
M.O.C. #22698
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I have a 2018 Montana3721RL. First time i took it out, same issue. Took it to shop and they later advised they fixed it. Next time ot, same deal. Finally stumpled in to a utube factory walk-thru and during that video, the guy noted on some models, 3721 being one, that to drain tanks you needed to raise the front to max level. Bingo, fixed the issue. Dealer didn’t even know it. Maybe you need to try it.
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03-30-2023, 08:05 AM
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#14
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Montana Fan
Join Date: Dec 2017
Location: Holts Summit
Posts: 110
M.O.C. #20913
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Search for Camco 39082. Walmart usually carries them. You may also want to get a gate valve taht attaches to the outlet of this.
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04-01-2023, 04:34 PM
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#15
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Montana Master
Join Date: Feb 2008
Location: woodstock
Posts: 515
M.O.C. #8174
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Make sure you are pulling them out completely
__________________
Ed
Montana Master
Woodstock Ga
2020 3931 FB Legacy
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04-01-2023, 04:58 PM
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#16
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Montana Master
Join Date: May 2006
Location:
Posts: 1,623
M.O.C. #5751
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Where is the OP? It would help to put the assistance needed in the subject, not "Help Me." That tells us nothing...we all need some kind of help. 
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04-02-2023, 05:09 PM
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#17
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Montana Fan
Join Date: Jul 2019
Location: Mesa
Posts: 202
M.O.C. #24588
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4 days since original post and no reply from OP to help suggestions posted.
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04-02-2023, 06:01 PM
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#18
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 6,777
M.O.C. #4831
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They joined on 3/25, posted on 3/26 at 9:26 am and have not returned since.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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