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post #1 of 8 (permalink) Old 06-12-2013, 03:43 PM Thread Starter
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Question Rear end noises

Sorry if this is a repost but I have been searching for 2 days and have not found anything like this. I own a 2008 Jeep Commander 4.7L two weeks ago it began to make this low humming noise which I thought nothing of. Then 3 days later it started making this noise that sounds like road noise from an off road tire. I have found that the noise is coming from the rear left side but I'm not sure what it is any ideas. Also this is my first 4 wheel drive vehicle.
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post #2 of 8 (permalink) Old 06-12-2013, 05:14 PM
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maybe its a wheel bearing .
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post #3 of 8 (permalink) Old 06-12-2013, 06:08 PM
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How old are the tires? What condition are they in? I've had tires "go out of round" that made the ride sound like a bearing was going.
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post #4 of 8 (permalink) Old 06-12-2013, 11:10 PM Thread Starter
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Originally Posted by lekmedm View Post
How old are the tires? What condition are they in? I've had tires "go out of round" that made the ride sound like a bearing was going.
I put it on the lift and it still made the noise today. I did check them they are in good condition about 70% tread.
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post #5 of 8 (permalink) Old 06-12-2013, 11:12 PM Thread Starter
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maybe its a wheel bearing .
That's what I was thinking but my friend said there's no play in the wheels. I will double check though.
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post #6 of 8 (permalink) Old 06-13-2013, 12:21 AM
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I have some rear end noises...but I'm not in a vehicle.

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post #7 of 8 (permalink) Old 06-13-2013, 10:39 AM
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If not wheel bearing, I would think possibly a warped rotor, not enough to give you a shake in braking, but enough to resonate noticeably.
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post #8 of 8 (permalink) Old 06-14-2013, 02:24 PM
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Instead of making a new thread, I will add to this one (sorry for the thread jacking).
Recently installed Bilstein 5125 rear shocks. Had a slight clunking noise prior to installing and now clunking noise is very noticeable. (I am thinking the original problem is being amplified by the stiffer shock). I have searched and cant find a whole lot of info on the rear suspension. Everything in regards to "bushings" always leads me to the front sway bars. I also used the stock bolts for the Bilstein's. I read some where that they didn't work, but I couldn't find details on why they didn't work. Could that be an issue? I also found one bolt loose on the rear driver side upper ?sway bar?. Not really sure if that is what its called. I think one of its bushings is bad too so I plan to replace all the bushings. What other things could it be? Are there any good threads that go over rear sway bar/susupension bushings? Thank for your help.
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