I have a grinding noise coming from the front passenger side. It is a 2003 2500HD Chevy crew cab 4x4. The noise is not coming from the hub. I took it to the dealership and the told me it may be the dust cover on the breaks. Pulled front brakes apart and nothing is rubbing on dust cover. The noise is loadest around 60 mph, makes no difference if applying breaks or not. Also seems to get better if I shift into 4 hi. Breaks are good, u joints good, diff fluid good, cv joints seem to be good. I also jacked front end up and manualy spun tires and no noise?
I say it's the CV joints. You have to jack up under the lower A-Arm, to take the spring pressure off of it, to check them.
(Use jack stands, and wheel chocks behind the rear tires. Emergency brake On. Work on a hard level surface. Be SAFE! Trucks can be replaced, YOU cannot!)
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I did exactly that. No noise is coming from the cv joints. It also does not pop or mak any noise when I turn. Most cv joints that I have gone bad usually "pop" when turning. Can not find exact pin point of noise. But like I said it almost goes away when I shift into 4 HI on the freeway.
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