There's your problem- I haven't been to the next page yet to see if anyone commented on it, but that center post has been completely sucked into your silicone grommet. You may have to swap it out- and next time, don't over-tighten it! You want that center post to be in line with the outer thread casing, not sucked up into it like that.
Good luck!
Edit- looks like you got lucky. I've torn a few grommets doing silly things like that- glad you got it working
Last edited:
