Hello everyone and TIA. I have a 48’1/2 ton and I’m trying to install the eng/trans into the frame befor input the cab on. The yolk won’t go all the way into the driveline. It seems like it’s hitting something that won’t allow it to go in all the way. I’m not sure if I need to remove the brass sleeve and re install it. I do have another rearend and that same yolk slides into that drive line with out issue. If I have to remove the brass sleeve inside the driveline how do I accomplish that task.