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01-30-2022, 06:52 PM
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#1
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Junior Member
Join Date: Mar 2020
Posts: 17
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sewer cables and valves
Hi: I have 2013 RW that the cables work really hard and I dont know if its in the cables or valves so I was thinking of replacing both as the gray water leeks
out the drain a little.
The RV is in storage right now but I want to plan ahead.
How big of a pain is it replacing them and what's involved. I know you have to remove the under side panel.
Thanks Roger
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01-30-2022, 11:32 PM
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#2
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Senior Member
Join Date: Sep 2017
Posts: 628
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Before you replace the cables try putting a 1/4 cup of vegtable oil in each tank after you dump and close the valves. Sometime the rubber seals make the valves very hard to open, it made a noticeable difference in my valves. When I pull out of a site or dump station, I try to do this every other time with a few gallons of water .it worked for me.
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Mark & Melissa
2015 Redwood RL38 , Kodiak disk brakes , 17.5" tires , 8K Morryde IS , 2024 GMC 3500 DRW, 1900 watts solar with Victron and 5 Battleborn
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01-31-2022, 01:01 AM
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#3
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Senior Member
Join Date: Jan 2014
Posts: 747
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Agree that adding oil to the tanks should help lubricate the seals the hard to push/pull cables probably need lubrication. Look for cable lubricators. Amazon and others have many kinds. Easier to try than replacing valves.
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Chris & Maria
2012 36RL, Full Body Paint, Dual Awning, Dual a/c, Splendide Combo, Fisher Paykel dishwasher, 6.5kW Onan, Goodyear G614's. 2015 F550 6.7l, 4X4, Lariat, CC, 176" WB, Long Box, B&W Companion
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01-31-2022, 02:06 AM
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#4
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Senior Member
Join Date: Jan 2014
Posts: 747
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I have replaced the black tank valve. Wasn’t too hard but not fun either. Quite a few of us have installed a Valterra T58 valve on the end of our termination. Stops all the fluid that might be dripping by the valve. Under $25 and quick to install.
https://www.google.com/aclk?sa=L&ai=...BAgBEBg&adurl=
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Chris & Maria
2012 36RL, Full Body Paint, Dual Awning, Dual a/c, Splendide Combo, Fisher Paykel dishwasher, 6.5kW Onan, Goodyear G614's. 2015 F550 6.7l, 4X4, Lariat, CC, 176" WB, Long Box, B&W Companion
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02-05-2022, 06:03 PM
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#5
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Member
Join Date: Jun 2018
Posts: 78
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I have replaced my grey and black tank valves on my 2018 3901 WB and have not had a problem since and I full time. I ordered the valterra valves on Amazon. During the replacement process you can reroute the cables to have as short of run as possible. Don't be afraid to drill new holes for the cables and eliminate sharp and unnecessary bends. All this will make them work great for a long time. My gaskets and cables were installed improperly from the factory leading to leaks and difficult operation. Once you gain access to the valves it's not to bad of a job. Drain and flush tanks really well and then use your jacks to cause the liquid that is left to run away from the outlet of the tank you are working on. Being that it is a 2013 the seals may need replacement anyway.
Good luck.
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2018 Redwood 3901WB pulled by 2016 Chev 3500 HD DRW. Goodyear G114 tires, Moryde I.S., Kodiak Disc Brakes, Splendide W/D, Tire Minder TPMS, Sleep # King.
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02-06-2022, 06:07 AM
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#6
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Senior Member
Join Date: Jan 2016
Posts: 229
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Quote:
Originally Posted by Cheezy1
I have replaced my grey and black tank valves on my 2018 3901 WB and have not had a problem since and I full time. I ordered the valterra valves on Amazon. During the replacement process you can reroute the cables to have as short of run as possible. Don't be afraid to drill new holes for the cables and eliminate sharp and unnecessary bends. All this will make them work great for a long time. My gaskets and cables were installed improperly from the factory leading to leaks and difficult operation. Once you gain access to the valves it's not to bad of a job. Drain and flush tanks really well and then use your jacks to cause the liquid that is left to run away from the outlet of the tank you are working on. Being that it is a 2013 the seals may need replacement anyway.
Good luck.
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rubber seals drys out and crud gets in slide channel do exactly as above
flush tanks jack up side nothing really comes out have a bucket or pan handy flushed with fabuloso no smell but lavender spray cables check for smoothness wd 40 on everything like new fresh valve smooth old slide was kinda chewed up anyway has slid how many times ,cheap part , new vavles and spare seals easy peasy, done with it for a while
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02-07-2022, 01:43 AM
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#7
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Member
Join Date: Nov 2015
Posts: 35
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Replaced seals only
I do not remember if the seals came from the dealer or from
Amazon, but after opening up the belly insulation, it was only 4 stainless steal nuts and bolts. Slipping out the creased rubber seal and putting back the replacements probably only too about 45 minutes. I hated the idea of black water coming out and dreaded it, yet it wasn't bad. Probably tilted the RV toward the passenger side, because nothing came out!!!!
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Howard & Patti
2013 Redwood 36 FB adopted Nov 2015
2019 RAM 3500 Big Horn Crew Cab Long bed
Always with our dogs - P.T. & Baylee
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02-07-2022, 07:04 AM
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#8
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Senior Member
Join Date: Jan 2016
Posts: 229
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Quote:
Originally Posted by proteus
rubber seals drys out and crud gets in slide channel do exactly as above
flush tanks jack up side nothing really comes out have a bucket or pan handy flushed with fabuloso no smell but lavender spray cables check for smoothness wd 40 on everything like new fresh valve smooth old slide was kinda chewed up anyway has slid how many times ,cheap part , new vavles and spare seals easy peasy, done with it for a while
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I think i got fresh cables also cuz they were kind stiff ,the ends fitting is important and maybe measure lenght also
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02-08-2022, 03:00 PM
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#9
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Senior Member
Join Date: Jul 2015
Posts: 2,313
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The cables on my 2020 have never worked great... While I had it at the repair shop 2 year's ago to fix the heat ducts I asked them to look at it.
He told me that he was NOT interested in working on them as they would have to completely lower the black tank to get to my 2 grey tank valves.
Since then they have been hit or miss so I found a guy that specializes in RV remodeling in NJ. He Customs makes all types of stuff for mostly big expensive class A's... I was told his name by 2 friends, So I called and name drooped, he is taking it Mid-March to drop the black tank, and replace all valves and cables with something he said was heavy duty. He said in 40 years, he never had one come back due to that issue again....
Once I know what he uses, I will post that
https://atlanticcustomcoach.com/
__________________
2020 F-350
2020 3991RD with-
17.5 Goodyear 114's , Titan Disc brakes, MorRyde 8K IS, Onan 6.5..
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02-08-2022, 05:05 PM
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#10
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Senior Member
Join Date: Sep 2012
Posts: 3,353
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Rather than open up the under belly you might try taking down the basement bulkhead, loosening the nut on the t handle in the convenience center & try to twist some of the bends out of the cable routing to create as straight a path as possible. They typically use a standard 6' cable, if you buy a replacement it'll most likely be 6', they put a couple figure 8s in it to take up the extra which then pulls the valve at a 90 degree angle.
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Danny & Linda
Full-timed 10+ years
Former '13 FB owner
Traded '13 GMC Denali DRW D/A
Currently rv & truckless
Replacement undetermined
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02-08-2022, 05:12 PM
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#11
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Senior Member
Join Date: Jul 2015
Posts: 2,313
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Quote:
Originally Posted by travelin' texans
Rather than open up the under belly you might try taking down the basement bulkhead, loosening the nut on the t handle in the convenience center & try to twist some of the bends out of the cable routing to create as straight a path as possible. They typically use a standard 6' cable, if you buy a replacement it'll most likely be 6', they put a couple figure 8s in it to take up the extra which then pulls the valve at a 90 degree angle.
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Thanks Danny, I already did that once.... I think I have the figure 8x2 on each cable.. Not to mention the tech that said he didn't want to get into it told me he believes the valves are also facing the wrong way of the cable.?? I would rather pay once and hopefully never worry about it again...
__________________
2020 F-350
2020 3991RD with-
17.5 Goodyear 114's , Titan Disc brakes, MorRyde 8K IS, Onan 6.5..
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04-22-2024, 12:16 AM
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#12
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Member
Join Date: Sep 2020
Posts: 31
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Anybody know what the black plastic underbelly material is called? I need to replace mine after a nasty spill, can't get the smell out of it.
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04-22-2024, 02:22 PM
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#13
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Member
Join Date: Jun 2019
Posts: 75
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Quote:
Originally Posted by Langenhammer
Anybody know what the black plastic underbelly material is called? I need to replace mine after a nasty spill, can't get the smell out of it.
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Search coroplast or corroplast and include RV. That should get you started.
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