Plumbing – How to remove pipe sealed with silicone

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My kitchen sink is emptying very slowly. The pipes under the sink are clear. So the blockage must be somewhere in the pipe from the wall on. Unfortunately the curved pieces of pipe are in the way and I need to remove them.

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Guessing from what I removed with a knife at the point pointed by the three arrows, it is glued together with silicone but when I attempted to remove it, it didn't budge 🙁

I don't want to force it and break something. Any suggestions on how to get it unstuck?

EDIT: Fixed picture as it was not clear. Also, should clarify, I am trying to separate the grey piece from the one coming out of the wall.

Best Answer

You don't remove it. The silicone is probably just to secure the pipe to the wall - so it doesn't wiggle or so that air doesn't get in.

If you need access to the pipe I would cut the white pipe. This would allow you to fully snake anything below. Chances are pretty high that all of these pipes are glued very well together. They are not meant to wiggle apart. If you do not want to cut them then you can try putting in a snake from a point further up or you can see if you have access from below in your main stack.