vibration in rear end or transmission
i hear a clunk evry once in a while and its when i leave the gas pedal and get back on it also at higher speed i feel a vibration i just changed both u joints on the drive shaft and the tires are in good shape.its a v6 2wd reg cab stepside xlt f150 2000. when i took the drive shaft out i hade a freeplay of 2 to 3 inchs turning it both ways on the rear end yoke.