i replaced the u joints in the rear but still have a vibration. would a bent crossmeber thats is on the transfer case throw a diffrent pinion angle and cause a vibration. i want a smooth ride. Any ideas???

 

yup, a bent cross member will definitely throw a vibe. is yours bent?

you could always remove the rear drive shaft and stuff a large to-go coffee cup on the end of the t-case and take it for a spin to see if the vibe goes away. (you'll need it in 4hi for this).

have your tires been balanced? do you have a bent rim? mud/ice stuck in the rim?

 

i dont think its the tires when im doing like 25 its smooth i love it when i do like 45 i have to like baby the throttle to get the vibe to go away. and yes my cross member is bent. i just purchased the jeep so not sure how it got bent.

 

start by changing out that cross member. being bent is changing the rear drive shaft angle. this can give you mad vibes.