Got a Logitech G29 with a crazy knocking noise? I did too. Here's the two main problems, and some quick fixes you can do right now to solve the problem!
If you G29 brake pedal is maxing out below 100%, here's the quick fix. And, if you struggle with lock ups with your more powerful brakes after the fix, I've included a quick guide for that too.
Is your Logitech G29 brake pedal sticking? Mine was, and this is how I fixed it. I've also included 2 useful YouTube videos, including one for G25/G27 users.