I do not know if any trailers dump valves are cable, all I have seen are metal rods. Those are sticking out though the bottom or hanging down under trailer. The control center could be cables attached to those rods. I have never had that type.
The rods are threaded, after loosing handles and rods, I put Loctite on them.
My guess is that gravity and bouncing on the road was causing the valve to open. I could have taken it apart and tried to install new O rings. If you think about it for the weekend camper those rubber O rings are dry most of the time. I can see them cracking due to that and the 100 plus temps they sit in all summer.
But I figured why it was happening was not important as fixing it and 1 job attempt was best. Either I would buy a new valve and do it or take it in.
Shop said around 200, so that was it. Taken to shop saved me a half of a day
or more working on it. So I got other stuff in my shop done.
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2013 24RKSWE (27ft TT) Cougar 1/2 ton series SOLD 10-2021
2013 Ford F350 4x4 CC 6.7 engine, 8 ft bed, 3.55 rear end, lariat package
Retired from Oregon State Police in 2011 than worked another 9.5 years as a small town traffic cop:
As of 05-2020, I am all done with 39 years total police work. No more uniforms for me.
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