Quote:
Originally Posted by speede5
Sounds like they used plumbing adhesive. It's great stuff, I use it all the time instead of putty. No leaks but it is quite difficult to remove, it's basically silicon with adhesive so you have to cut and scrape the stuff off. There's so much variation between sink manufacturers it's just easier to use this and not have an issue.
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So it sounds like I'll have to spray something underneath and slowly loosen and scrape away at it? Would stuff like WD40 or Goo gone work? Or is there something else I should try?
I found a thing of Kwik seal. Does this sound like what is being used on the flange here? Is this good stuff to use to secure the new flange afterwards? or should I get something else?
Quote:
Originally Posted by sa226
What kind of crack? In PVC.?
If it were me I wouldn't attempt to replace it. Its not like you're going to spring a leak. Makes me wonder how it cracked though.
Gorilla tape, Duct tape, aluminum tape. I'd probably do the aluminum tape.
If its PVC and the area is flat, you could almost patch it. Cut a piece of PVC like a big thick bandaid and glue it on the crack with PVC cement. That cement isn't just a glue it causes a chemical reaction and melts the PVC together. So it would be a pretty good repair.
Disclaimer:I'm a complete amateur. But I wouldn't be destroying my cabinets to replace a vent line with a small crack without trying other things first.
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Pure spit balling, Sugru might be fun to try out.

Note: Above advice not recommended.