Correct me if I'm wrong but at 0:33 in your Ender 3 V2 3DClippy Video @ https://youtu.be/BBzq4Lhg4Jc?t=33, it appears you have an extra black piece holding the end of the y adapter together and possibly supporting the Bowden tube as well. I have already split open the end of the y adapter under pressure and am holding it closed with a zip tie, do you happen to have that file ready to share if it is doing what I think it does? thanks!
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That's just a piece of black electrical tape. I didn't have any zip ties to tie it to the cable, so I used the tape. There's no reason why it won't work for your case just to hold it together as well. Bill