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Rear End Noise

oldsouth

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Jul 6, 2019
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I have a 2020 Ram 1500 with anti-spin 3.92 rear end. Here lately there is a binding type noise coming from back there when turning sharply. In both directions. Seems like the anti-spin is too tight. Anyone else have that issue or know what the fix is? Still under warranty so I will reluctantly take it to a nearby dealer. But if there is a easy fix, I would rather do it myself.
 

tidefan1967

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Did you check the level in the diff, check to see if it has been leaking, etc?
 

oldsouth

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No leaks. Just checked it and was a little low, maybe 3/4 inch. I added some anti-spin additive and topped it off with fluid. Will see what happens now....
 

oldsouth

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That seemed to fix the problem. They may not have put the additive in at the factory. I will order some Ram additive and get the proper weight fluid and change it out. I have only 18,000 miles on the truck but the additive I had was GM and was over 20 years old. Some I had in my shop. And the synthetic gear oil I had was 75-90 and the manual calls for 75-140.
 

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