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Old 03-27-2013, 07:51 PM   #1
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Under sink leak with PVC


Hello all. I just bought my first house and am fixing issues here and there. I do not know much about plumbing however. I just noticed something today.

whenever i operate my kitchen sink from the left basin, it will leak. the right basin does not leak. Note the leaking by my beautiful blue oddly-shaped water drops

the picture i have attached, i circled where it drips out of. the pvc pipe with the right arrow on it i can shake and it is loose at the connection that is circled (but not the other end), which almost leads me to believe some dinkus used the wrong size. the PVC nut is tightened all the way by hand and that pipe still is loose.

what would you all recommend or where to start?
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Under sink leak with PVC-imag0052.jpg  

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Old 03-27-2013, 08:00 PM   #2
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Under sink leak with PVC


Go get a new 1 1/2 end outlet waste and install it with the nylon bushings that come with it.

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Old 03-27-2013, 08:03 PM   #3
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Under sink leak with PVC


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Go get a new 1 1/2 end outlet waste and install it with the nylon bushings that come with it.
is that the small pipe that is running vertical?
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Old 03-27-2013, 08:09 PM   #4
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Under sink leak with PVC


Its the pipe between your 2 vertical ones coming from the sinks... If you have a hardware store you might ask them for a 1 1/2 nylon tubular bushing that goes under the plastic nut.
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Old 03-27-2013, 08:20 PM   #5
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Under sink leak with PVC


i would take the joint apart that leaks and make sure there is a slip nut washer under the nut and that it isn't split or broken.
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Old 03-27-2013, 08:23 PM   #6
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Under sink leak with PVC


aah ok. so might just be a o-ring or something? i do have a hardware store right up the rad. i will swing by there tomorrow!

ill post back with my success or failure, hopefully not the latter
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Old 03-28-2013, 06:25 AM   #7
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Under sink leak with PVC


There is no O rings. It's tapered plastic washers.
Looks like the area on the left has slipped down, just lossen the nut and tap it back up into place and retighten, may well be the same thing on the other end.
If that pipe does not slide up inside the fitting there's nothing to seal.
Often times when I take these apart some DIY has installed the washer backwards.
The washer is tapered and the sealing surface is tapered, install it backwards and the seal does nothing.

http://www.pro-handyman.com/Portals/...p%20washer.jpg
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Old 03-28-2013, 10:39 AM   #8
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Under sink leak with PVC


I would replace it all with glued fittings except for the tailpiece extensions, and the J portion of the trap.
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Old 03-28-2013, 01:33 PM   #9
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Under sink leak with PVC


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Originally Posted by joecaption View Post
There is no O rings. It's tapered plastic washers.
Looks like the area on the left has slipped down, just lossen the nut and tap it back up into place and retighten, may well be the same thing on the other end.
If that pipe does not slide up inside the fitting there's nothing to seal.
Often times when I take these apart some DIY has installed the washer backwards.
The washer is tapered and the sealing surface is tapered, install it backwards and the seal does nothing.

http://www.pro-handyman.com/Portals/...p%20washer.jpg
ok. it almost feels like there is no washer in there. ill have to pull it apart and see.
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Old 03-28-2013, 01:43 PM   #10
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Under sink leak with PVC


Less then $5 at the box store- problem solved
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Old 03-28-2013, 01:49 PM   #11
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Under sink leak with PVC


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Less then $5 at the box store- problem solved

awesome...thanks.
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Old 03-28-2013, 01:50 PM   #12
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Under sink leak with PVC


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i would take the joint apart that leaks and make sure there is a slip nut washer under the nut and that it isn't split or broken.
Thanks went blank on that for some reason.
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Old 04-02-2013, 01:25 PM   #13
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Under sink leak with PVC


i got it fixed. thanks guys! i think the washer was loose or something. just replace the whole damn thing for 6$

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