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04-03-2013, 08:59 PM
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#1
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Junior Member
Join Date: Apr 2013
Posts: 5
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Stuck black waste valve
My black waste valve slowly started getting hard to open and close. After a long search I finally found the valve by cutting the belly pan open. It is a cable operated valve. My question is...... Is it better to unbolt the 4 bolts and replace just the seals or a new valve block?
I called Valterra today and they ask what kind of treatment chemical I was using, I guess some have adverse effects on the seals. In your opinion what is the best treatment to use in black tank
Thank You
Jerry & Denise Kelly
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04-03-2013, 09:14 PM
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#2
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Senior Member
Country Coach Owners Club
Join Date: Dec 2010
Posts: 7,804
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I use nothing but water in the black tank.
If it was me, I would replace the complete valve assembly. It isn't worth just replacing the seals to have problems further down the line
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04-03-2013, 09:29 PM
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#3
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Junior Member
Join Date: Jan 2007
Location: Pueblo, CO
Posts: 23
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Why don't you try some spray lube on the cable and the shaft that goes into the valve. It worked for me!!
__________________
1995 Holiday Rambler Imperial
2003 Suzuki Grand Vitara Toad
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04-03-2013, 09:32 PM
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#4
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Replace the whole valve AND lube the cable. Should return the setup to like new. I had same thing w/a Trek. Dump the tanks & go for it.
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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04-03-2013, 09:43 PM
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#5
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Senior Member
Join Date: Mar 2007
Location: Northridge, Ca
Posts: 751
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I've always used Thexford Blue liquid. Once, a long time ago, I had to replace the valve. Not really that difficult. I would replace the valve and hope to never have to play with it again.
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04-03-2013, 09:47 PM
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#6
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Senior Member
Join Date: Feb 2010
Posts: 4,654
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Seal Kit about $6.50 - $9.95, new complete valve, $12.50 to $18.00, no need to ask...change the valve.
__________________
Tony & Lori
1989 Country Coach Savannah SE
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04-04-2013, 02:11 AM
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#7
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Moderator Emeritus
Country Coach Owners Club Appalachian Campers Gulf Streamers Club
Join Date: Mar 2000
Location: Chattanooga, Tn.
Posts: 12,060
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Every once in a while after dumping your tanks add some coconut oil to lube and treat the gaskets from most all adverse effects of hard water and chemicals used. This and lubricating the cable may save you from having to cut open the belly and doing repairs to the valve. Good luck and keep us posted.
__________________
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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04-04-2013, 05:35 PM
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#8
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Junior Member
Join Date: Apr 2013
Posts: 5
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Quote:
Originally Posted by Okee
My black waste valve slowly started getting hard to open and close. After a long search I finally found the valve by cutting the belly pan open. It is a cable operated valve. My question is...... Is it better to unbolt the 4 bolts and replace just the seals or a new valve block?
I called Valterra today and they ask what kind of treatment chemical I was using, I guess some have adverse effects on the seals. In your opinion what is the best treatment to use in black tank
Thank You
Jerry & Denise Kelly
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Thanks for the replies, could'nt find valve locally so I ordered T1003-Pbc direct from Valterra. Looks very simple to install
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04-14-2013, 11:47 AM
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#9
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Senior Member
Join Date: Feb 2013
Location: Suwanee,GA.
Posts: 500
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__________________
2005 National Dolphin 5376 W24 Workhorse chassis
2021 Equinox RV pusher
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04-14-2013, 08:39 PM
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#10
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Quote:
Originally Posted by Budwizer
Why don't you try some spray lube on the cable and the shaft that goes into the valve. It worked for me!!
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My guess is, that solves about 90% of hard-to-open waste valves. Don't use WD40, it dries to a gummy film. I use a penetrating oil, it slowly wicks along the cable and lubes the entire housing
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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04-14-2013, 08:45 PM
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#11
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Senior Member
Join Date: Dec 2006
Location: St. Augustine, FL
Posts: 3,595
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Aero Kroil available at auto parts stores is a good product for lubing cables.
__________________
KIX
'02 Ultimate Advantage 40J Spartan MM - Cummins ISC
2013 Jeep Rubicon JK Unlimited
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