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Posted

So I have a 2004 Silverado 1500 4.3 with the 4l60e transmission on it. Ive had the truck for 6 months now and I've had this problem since I've owned it but could never figure out what it was. When in reverse and only accelerating or going up a slight incline there is a grinding noise that sounds god awful, but goes away if I continue to accelerate through it. If i just put the truck in reverse and coast or only give it slight gas it doesn't make the noise.. Any thoughts on what it could be?

Posted

How is the oil in the diff? Shiny, sparkle in the gear lube would indicate a failing differential.

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