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Old 09-05-2010, 04:30 PM   #1
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bathroom sink hookup


stupid me, who takes pics of everything, is pretty sure I didn't reconnect the pipes correctly. and I didn't take a pic!




there was a nasty odor coming from the drain and when I looked at the drain and the pipes all the way to the trap, they were really gunked up. so I cleaned them.

i am pretty sure the first two pieces are not in the correct spots: the rubber piece and the plastic piece.

thanks for your help

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Old 09-05-2010, 04:54 PM   #2
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bathroom sink hookup


The grey nut under the sink is upside down. There appears to be a nylon washer and then a rubber washer above it. Those can stay as is. A simple fix and no big deal except that you might have a leak the way it is. Don't forget the plumber's putty or bead of silicone sealant on the topside.


Last edited by retired guy 60; 09-05-2010 at 05:27 PM.
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Old 09-05-2010, 05:52 PM   #3
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thanks retiredguy,

reversed the piece, and I did use some plumbers putty on the topside. noticed a few drips of water are appearing on a paper towel i placed on the bottom of the cabinet. not sure if i didn't get enough of the putty all the way around. also, i have a feeling that rubber washer needs to be replaced. can i buy that piece separately? thanks again for your help!
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Old 09-05-2010, 06:19 PM   #4
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The chances are that the rubber piece is fine,Just flip the nut over and try again.---Mike---
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Old 09-06-2010, 06:02 AM   #5
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If you still have a leak after inverting the nut, here are the possible causes (most likely first, least likely last):
Not enough plumbers putty
Nut is not tight enough but be careful not to overtighten either
Nylon looking washer is not flat and needs to be replaced (the new one will be a fiber material and look like cardboard)
Rubber washer has been damaged and needs to be replaced
Since you want to fix the leak once and for all, I say go to home center and buy replacement fiber washer, rubber washer and if needed more putty. Then you can hit all bases at the same time. Bring the old washers so you buy the right stuff. Plumbing supply shops will have these items as well.
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Old 09-06-2010, 06:21 AM   #6
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I'll add one more to retired guy's list---Burr or rough opening on the bottom of the sink-----
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Old 09-06-2010, 06:56 AM   #7
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thanks for your help,

just to add some more info. it appears that when the sink drains everything is fine and then about a few seconds later, I guess as the water settles in the trap, some of it comes out at the connection I pointed to above. There is a plastic piece inside the connection here. I can take a pic. Not sure if I put this is in wrong.


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Old 09-06-2010, 07:53 AM   #8
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The tail piece (grey) going into the slip joint trap (white) has a plastic 1.5 by 1.25 inch slip washer, The bevel on that washer should point down. Put a new washer in and just bring it up hand tight plus a little. Over tightening distorts the washer and causes leaks.
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Old 09-06-2010, 08:24 AM   #9
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got it! leak fixed and no more odor from the drain.

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