A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
Cracked T/box mount. I would have presumed that this now lets the t/box rotate more on its mounts when your setting off, when its under the most torque.
I'm not sure what the knocking is - it could be your t/box gear lever knocking against the body maybe?
