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Posted

I have a 2018 Silverado z71 with 89k miles on it. I have owned the truck since it was new and it has been making a noise recently and it’s getting worse coming from the rear that’s sounds just like a wheel bearing going out. I changed both rear  axle bearings and changed the diff fluid ( rear end was spotless with not very much metal on the inspection plug). I also went ahead and changed the front diff and transfer case fluid as well . I have had 3 people ride in my truck and they all say that it sounds like it’s coming from there rear passenger wheel. The noise also isn’t constant and you can manipulate the truck to get it to make the noise more by cutting to the right. It sounds just like a wheel bearing but I changed both rear bearings and the issue is still there. I am lost at this point and don’t know where else to look besides maybe the universal joints. Has anyone had this issue? Thanks in advance for any help 

Posted

Did you atleast check the front bearing yet? Sometimes even if you hear it from the back it can still be a front bearing noise.

 

I'd jack the truck up and start spinning the front wheels, listen for the noise and also grab the coil spring on the strut, if you feel the vibration through the spring tha front bearing is bad.

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