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Open Roads Forum  >  General RVing Issues

 > Black Water Valve Will Not Close

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pmlevine

Massachusetts

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Posted: 11/10/21 09:19pm Link  |  Quote  |  Print  |  Notify Moderator

It was our last TT trip of the season - all was well, I had opened and closed the black water valve at our campsite a couple of times with no issues. The last day after emptying the black water tank I went to close the valve and it wouldn’t budge. When I applied some force the valve rod bent. I straightened it as best I could and tried to close the valve but the metal rod will not move. Now the rod interface at the frame is loose - the threaded hollow screw at the frame that the rod goes through, the and the nut that secures it to the frame are loose, and I don’t seem to be able to tighten it up. Any ideas guys - help ..:

Cummins12V98

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Posted: 11/10/21 11:18pm Link  |  Quote  |  Print  |  Notify Moderator

Remove four bolts and replace valve.


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larry cad

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Posted: 11/11/21 03:40am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Remove four bolts and replace valve.



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Dave in TN

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Posted: 11/11/21 06:00am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Remove four bolts and replace valve.


X3.

The good news is the tank is empty and you have all winter to fix it.

pmlevine

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Posted: 11/11/21 07:58am Link  |  Quote  |  Print  |  Notify Moderator

Okay guys thanks. We used our TT as a lifeboat when we lost power recently. If we need to find warm shelter this winter, I’ll just put double garbage bags to line the TT toilet, and we’ll hunker down. Black valve R&R will have to wait til later.

Gjac

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Posted: 11/11/21 08:27am Link  |  Quote  |  Print  |  Notify Moderator

I drilled a small hole in the top of the valve and put a self tapping grease fitting in there. When every it gets hard to open I pump some grease in there and it operates smoothly again. For some reason it is always the black valve that sticks never the gray valve. You can also just drill a hole and spray lubricant in the hole and put a screw in the hole after the valve is freed up.

navigator2346

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Posted: 11/11/21 10:12am Link  |  Quote  |  Print  |  Notify Moderator

Better stuck open than closed. Replace the valve and be done with it. Consider yourself lucky and go buy a lottery ticket.

wnjj

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Posted: 11/11/21 11:20am Link  |  Quote  |  Print  |  Notify Moderator

Put one of these on and get through the winter: https://www.amazon.com/Valterra-T58-Twis........t+on+rv+dump+valve&qid=1636654797&sr=8-3

ssthrd

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Posted: 11/11/21 11:31am Link  |  Quote  |  Print  |  Notify Moderator

Suggest putting a good flow of water in the tank with a garden hose or a bucket and work the valve at the same time. Could be something stuck in the valve that might free itself with a little help..


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rockylarson

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Posted: 11/11/21 11:55am Link  |  Quote  |  Print  |  Notify Moderator

wnjj wrote:

Put one of these on and get through the winter: https://www.amazon.com/Valterra-T58-Twis........t+on+rv+dump+valve&qid=1636654797&sr=8-3


X2


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