PVC slip joint leaking after gasket change

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Old 10-08-19, 10:14 AM
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PVC slip joint leaking after gasket change

The last slip joint twords the exiting side is leaking some. I unscrewed the slip joint and there was no gasket at all, was just threaded with ptfe tape. I pulled it apart and put washer in and it leaked, i put ptfe tape around the threads like the first guy did and it leaked... i put ptfe tape around the gasket and it leaked... went to depot and got a new nut for the slip joint and it still continues to leak. Any ideas? Not sure why my photos are uploading upside down
 
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Old 10-08-19, 10:26 AM
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Sorry for the double post

canít edit a post and add pictures so here we go, third times a charm lol
 
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Old 10-08-19, 10:41 AM
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You need a slip joint washer. But probably the best thing to do is remove your entire slip joint trap and replace it with a new one that is the same size. It will come with all new parts. You don't need any tape, the slip joint washer is tapered on one side and it deals the pipe as you tighten it down.

And it could be you aren't tightening it enough.

Worst case scenario if it's the old slip joint adapter just wont seal with a new washer, is cut the pvc to the right of the coypling and glue on a new slip joint adapter.
 
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Old 10-08-19, 11:10 AM
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Thanks buddy for reply

Here is a picture of what I did. The large flat side facing the nut. I tightened like crazy and replaced the nut in case the old one was just getting loose or something. Last guy never used a washer at all it doesnt look like, just ptfe, at least I couldnt find the washer anyway. Is it possible that I just have a low quality washer?
 
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Old 10-08-19, 11:27 AM
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It looks like you have two washers there.

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Old 10-08-19, 11:37 AM
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Let me go check that out fast, does look suspicious as heck
 
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Old 10-08-19, 11:47 AM
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It’s part of the fitting, bummer... i can literally see water making it past the gasket
 

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Old 10-08-19, 12:18 PM
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Donít wanna jinx myself

I took out the gasket and put a different one in and, well... its good... for now anyway lol.
 
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Old 10-08-19, 02:29 PM
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Looks like someone had teflon tape on there. You could use a little pipe joint compound.

It looks like the problem is the pipe is out of round or it could be because the nut and washer are so close to the bend.
 
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Old 10-09-19, 11:30 AM
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I tightened like crazy
Just be careful. The hardest thing to teach in plumbing is how much to tighten fittings. Tight, but not over-tight. You can easily cause the PVC connections to leak by over-tightening and over-compressing the washer.
 
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