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12-31-2018, 09:42 PM
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#1
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Junior Member
Join Date: Mar 2017
Posts: 23
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Sticky black water valve
Ever since I got my 2017 MBS 2400w, the black valve has been extremely stiff. I got it with 4500 miles on it so it is not under warranty. Anybody had this problem?
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12-31-2018, 09:57 PM
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#2
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Member
Join Date: Nov 2013
Location: USA
Posts: 55
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Sounds constipated... LOL sorry... try spraying WD-40 on the gate valve and the stainless slide, obviously when clean.
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2004 Surveyor 291 ultralite
2008 Ram 1500 quadcab Hemi
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12-31-2018, 10:53 PM
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#3
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Senior Member
Join Date: Nov 2015
Posts: 4,223
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The valve is easy and cheap to replace...maybe a ten minute job. A temporary fix which may or may not last a long time is to lube the inside of the valve. Like this:
https://youtu.be/TGv9THpOdmw
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BIRDS AREN’T REAL
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01-01-2019, 12:26 AM
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#4
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Canadian Member
Join Date: Feb 2012
Location: Eastern GTA, Ontario, Canada
Posts: 6,238
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If you can access the valves easily, you could try this first and if it doesn’t do the trick you can replace the valve.
__________________
2023 Rockwood Signature 8262RBS
2016 Ford F-250 XLT SuperCrew, 6.2L, 4x4, 6'9" bed
2019 Rockwood Signature 8290BS (2019 - 2022)
2011 Rockwood Signature 8293SS (2015 - 2018)
2010 Rockwood Roo 23SS (2012 - 2014)
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01-01-2019, 01:36 AM
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#5
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Senior Member
Join Date: Nov 2014
Posts: 1,740
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I wonder if that ever begins to leak in time.
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01-01-2019, 10:06 AM
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#6
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Canadian Member
Join Date: Feb 2012
Location: Eastern GTA, Ontario, Canada
Posts: 6,238
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Quote:
Originally Posted by AbdRahim
I wonder if that ever begins to leak in time.
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Highly unlikely. The hole is above the valve in the valve housing, and the valve is working so no wastewater should ever get to the hole. If it ever did, the hole is sealed well.
__________________
2023 Rockwood Signature 8262RBS
2016 Ford F-250 XLT SuperCrew, 6.2L, 4x4, 6'9" bed
2019 Rockwood Signature 8290BS (2019 - 2022)
2011 Rockwood Signature 8293SS (2015 - 2018)
2010 Rockwood Roo 23SS (2012 - 2014)
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01-01-2019, 10:13 AM
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#7
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Site Team
Join Date: Oct 2014
Location: North Georgia
Posts: 2,963
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Quote:
Originally Posted by davec2
Ever since I got my 2017 MBS 2400w, the black valve has been extremely stiff. I got it with 4500 miles on it so it is not under warranty. Anybody had this problem?
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On our 2400W both valves were stiff. The issue was that the cables were several feet long due to the 2400W design. Rerouting the cables, making a smoother radius, helped make our cables less stiff... 
I was going to replace the cables with electric remote valves if rerouting the cables hadn't helped...
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Wayne
2024 Sunseeker 2150SLEF / Ford E-350
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01-01-2019, 10:56 AM
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#8
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Senior Member
Join Date: Jan 2015
Location: eastern NC
Posts: 1,783
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the above mentioned video is a good fix, did it several yrs ago when someone in the forum here showed their mod idea of doing that, ... but the seal surface on the gate is rubber and you should not use any type of petroleum base lubricant or WD40 on rubber, the silicon spray is best, ...
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01-01-2019, 02:35 PM
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#9
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Senior Member
Join Date: Jan 2017
Location: Montana
Posts: 103
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Quote:
Originally Posted by davec2
Ever since I got my 2017 MBS 2400w, the black valve has been extremely stiff. I got it with 4500 miles on it so it is not under warranty. Anybody had this problem?
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I have a 2016 MBS 2401W and have the same problem. My dealer hasn't suggested a solution for sticky cable valves. Additionally, the handles will extend in cold weather and force open the little door that covers the valve handles. Dealer says Forest River hasn't come up with a solution for that either. Now I keep the doors closed with black duck tape when traveling. I chalk both issues up to a bad design. I need a solution for both issues. Overall, however, I am quite happy with my RV.
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Hi Rider
Jack and his dog, Amber
2016 Forester 2401W MBS pulling 2006 Jeep Wrangler
2020 - 162 Days and 5,359 Miles
2021 - 113 Days and 3,835 Miles
2022 - 35 Days and counting, and 3,372 Miles and counting
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01-01-2019, 03:31 PM
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#10
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Marco Polo
Join Date: Jun 2017
Location: Canada
Posts: 46
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Handle away...
Quote:
Originally Posted by Hi Rider
I have a 2016 MBS 2401W and have the same problem. My dealer hasn't suggested a solution for sticky cable valves. Additionally, the handles will extend in cold weather and force open the little door that covers the valve handles. Dealer says Forest River hasn't come up with a solution for that either. Now I keep the doors closed with black duck tape when traveling. I chalk both issues up to a bad design. I need a solution for both issues. Overall, however, I am quite happy with my RV.
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I have the same problem on my FR MBS 2017. In order to be able to close the « little »door, I unscrue the handle and store it until I find mild wheather.
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01-01-2019, 05:54 PM
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#11
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Senior Member
Join Date: Jul 2017
Posts: 147
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Black tank valve
After you dump add a couple gallons of water and then a cup of Calgon down the toilet this will lube up the gaskets. Been FT for 2 years and works for me.
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01-01-2019, 06:19 PM
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#12
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Member
Join Date: Oct 2016
Posts: 94
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Quote:
Originally Posted by Surveyor Mike
Sounds constipated... LOL sorry... try spraying WD-40 on the gate valve and the stainless slide, obviously when clean.
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With all due respect Mike - DO NOT USE WD-40. It is a solvent, NOT a lubricant. Learned this the hard way and now use the same spray recommended for the Schwintek slide t racks - CRC High Performance with PTFE. WD-40 is great for cleaning lubricants, hands, gunk from labels, crayons and hundreds more.
https://www.amazon.com/gp/product/B0...KIKX0DER&psc=1
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2016 Sunseeker 2400WM Sprinter 3500 Diesel
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01-01-2019, 06:26 PM
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#13
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Member
Join Date: Oct 2016
Posts: 94
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Quote:
Originally Posted by davec2
Ever since I got my 2017 MBS 2400w, the black valve has been extremely stiff. I got it with 4500 miles on it so it is not under warranty. Anybody had this problem?
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RedLdr1 got it right. Apparently it's too much effort for FR to route the cables properly and then cut them to length so instead they use the 10' cable and zip tie them in tighter curves than they are supposed to be. Rerouting the cables and cutting them to proper length makes it very easy to open and close the valves. It also eliminates the issue with not being able to keep the little door closed since there is no longer so much "play" in the cable forcing the handles into the door!
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2016 Sunseeker 2400WM Sprinter 3500 Diesel
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