Frozen Brass Slip Nut - Plumbing - DIY Home Improvement | DIYChatroom

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Old 12-22-2007, 11:06 AM   #1
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Frozen brass slip nut

it just will not's lubricated (wd40) and i've tried a number of conventional and plumber's wrenches with no luck. the access is pretty tight but still enough to put a lot of force on the nut, or so i think.

do these start to fuse together after 20 years in place (drain under tub, just above U-trap)?

ideas....? thanks in advance.


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Old 12-22-2007, 12:01 PM   #2
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Brass slip nuts can corrode together with the threads over time. There also is a rubber washer that can harden and possibly stick inside the nut. You'll have to replace the rubber washer in any case.
You can try to break it by heating it up (carefully) with a propane torch.
If all else fails, you can hacksaw it out and replace it all.
Good Luck!


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Old 12-22-2007, 12:12 PM   #3
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Is there any way to get a hacksaw (or dremel tool) in there and saw into the nut vertically, that is a very common problem you are having. You can always replace the waste pipes above that point if you have to saw them off too. The idea is to save the trap underneath and the threaded portion the nut is seized on to, so don't saw too deeply but it is ok to saw into the threads a little bit as the part that seals from leaks is the rubber washer compressing above the threads. Once you get the saw notch in the nut you can pry it off with a big screwdriver in the notch or it will then start to turn with the channel locks.
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Old 12-22-2007, 03:50 PM   #4
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Take two hammers. tap from both sides at once. all around the diameter. Use the wd-40 for starting no start lawn mowers,,,get some real pen oil like PB Blaster or Kroil!! Is this on a Tee where the overflow and drain come together?? If you ding it OR threads are suspect,replace that too. Sometimes you can just wiggle off the whole thing without unscrewing it!!Slipping it off the washer part! OR cut it off. Most of them fall apart before there time. Put a pipe wrench on her and use a cheater handle to bust her loose!!
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Old 12-22-2007, 10:23 PM   #5
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the propane torch did the trick...thanks for all of the ideas (good for futre reference). happy holidays, -michael
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