Hey guys, recently put my truck on a lift to check my t case and diff fluid's. Found the t case and rear diff to be completely empty! Just bought the truck about a month ago. I was trying to diagnoss the squawk which i found to be the commom problem with the yolk. I filled the diff and t case and all seemed fine for a day until i noticed a puddle of atf last night after work. Am i going to need a new t case or just a rebuild?? Never worked on anything like this before, any advice would be very helpful. Thanks!!