Rattle/Grinding noise from rearend on deceleration
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On my 2003 SIlverado 1500 there is a rattle/grinding noise coming from my rearend when I let off the throttle , going up an incline , and when going down hill if I barely press the throttle. It has 4.56 gears. Im not sure if its the gears or something else. Any help would be great. Thanks