I have a 2002 1500 Suburban, with a vibration between 60-70 on 2002 Chevrolet Suburban 1500

A rebuilt transmission was put in last year. Also put on new tires. What is the most likely culprit? Out of balance tires? U Joints? Something else I'm missing?

Thanks

Asked by for the 2002 Chevrolet Suburban 1500
What engine? 2WD or 4WD? How long before transmission replacement did symptom start?
5.3 V8 4WD The noise just started, a year after the transmission was rebuilt and had new tires put on. Probably 3000 miles ago
Probably unrelated to either of those items. Sounds like drive-train like you mentioned, U-joints or driveshaft , would be my thought also. Is it easy to duplicate? Maybe test drive with a mechanic & get 2nd opinion.