My 99 K1500 Burb has suddenly got a driveline vibration. It is worst right around 45 mph. A quick inspection revealed that the front U-joint has a little play in it, but I wonder if that is the culprit because the vibration came on very suddenly. One time I used it and didn't notice anything, the next time it was really bad.
I wonder if it lost a weight. I am going to post a picture of a bare spot on the driveshaft. It looks too big to be a weight, more like a label. Any opinions?
99 Suburban Vibration/Driveshaft
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