driveshaft question

Well one day my carrier bearing decided to pop out and my driveshaft started making a clunking noise, looked under the truck and saw that the bearing was pushed out. I got the bearing fixed and now all of a sudden I am getting a vibration problem around 35-45mph and little around 75. Was not like that before. Took it back to the shop and had them check the u joints. My guy told me they were fine. Could the dirveshaft be out a balance? Is there anyhting else I missed? Thanks for any help. JIMMY

if the u-joints checked out good, and your pinion angle is right, and the carrier bearing is good. Then yes I would have the driveshaft balanced.

OR you need to rotate the rear shaft on the front shaft, should have marked them b4 you took them apart. id have the whole assembly balanced.

I had the shop do it so i figured everything would be fine. JIMMY