Transmission 13 speed .

You may have all/ready done this but ck. to be sure that that all ujoint caps are all lined up, just one spline off can make bad vib ?

 

Good point. Just crazy to think some shady shop or preivious owner would cut such an easy corner and not have them lined up. But hey it can happen I suppose

 

Could be the pilot bearing for the input shaft or the carrier bearing.

 

All the U/joint caps must be on same line all the way from trans, to front rear end, you can use a string to ck. just 1 spline off on slip joint can throw a bad vib. all threw your truck, string can tell if center hanger is off center just a bit off to 1 side can lead to a snapped d/shaft, do the same with rear shaft tween the rear ends? Be sure to get shifter all the way in gear at every shift letting that trans. pop out of gear in any gear will bust parts inside trans.

 

i know. some people feed lines of bs to the unsuspecting. Thats whats difficult if ou dont know your stuff. Would love to call people out on that stuff. Who knows what the story is with that trans. but hey as long as it drives and shifts good under heavy load

 

make sure you don't have injector going out under load.