The only vibration is coming from the rear from 20-27 mph. I talked to a shop that said if changing angle doesn't help they can replace u-joints with cv joints for a nominal fee.
I also rebalanced all the tires to rule that out and alignment was done. Running stock rims and tires until I can fix this vibration. 265/70/17. Looks ridiculous but don't wanna throw my 35x12.50x18 on until issue resolved.
So I adjusted pinion angle and vibration has decreased greatly. I measured angle of rear diff and it's at 9 degrees. My upper control arms are shortened as much as possible but diff needs to come down a few more degrees. Does anyone know what they should be set at? My tc case angle is at 4 degrees.
Just got done lifting my 07 Tahoe with BDS 6" and 2" body kit and am experiencing a vibration only from 15-30 mph. It vibrates when accelerating and when coasting to a stop. Have tried adjusting driveline angle with adjustable upper control arms in the rear and have also replaced u-joints to no...
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