I got mine in and it didn't come with the fucking bar lmao thats what sent me to your video so I'm emailing them now cause how the hell do you send it without the main piece
Try cleaning all the parts and screws with a non-chlorinated brake parts cleaner, then use red Loctite to lock everything into place. It should stop things from coming apart. If you ever need to get things apart to do repairs you just need to heat it up with a torch to release the red Loctite.