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Old 07-30-2019, 03:57 PM #16
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I appreciate everyone's input in trying to help me resolve this issue.

To answer some questions, Yes I have lifted it and listened for bearing noise, of which I do not seem to be able to detect (that said im not using a stethoscope.) At the same time, i didn't notice differential noise, but I may have to try it again listening through a screw driver to confirm this.

Now for what ive done since my last post.

I have now replaced both the FRONT RIGHT and REAR RIGHT calipers in an attempt to fix a potential stuck caliper that could of been causing the dragging to the right while driving. Unfortunately no change in braking behavior and no change in droning noise.

While replacing the calipers, i checked the rear e-brakes by checking that i could turn the rear wheels by hand with the e-brake disengaged (this was done to check if they are dragging, since if they were dragging id be unable to rotate them by hand since the ebrake would hold the wheel in place)

So now this leaves me with only a few more options for the root cause (hopefully?):
Rear Wheel Bearings (I cant seem to detect issues with them, might go get a laser thermometer and check temps of the wheels at this point since i cant seem to detect any problems)
Front LEFT wheel bearing (I had replaced the Front Right half a year ago due to it being in horrible shape, and the only remaining one would be front left. Though the droning seems to be coming from the rear, unless its resonating through the car and tricking me, which i wont rule out i suppose. Will have to lift it up after work today and examine this wheel as I havent looked into the front much at all regarding this issue)
Rear Diff (Id like this to not be the case, but the symptoms dont seem to line up, droning is not linear in volume with wheel speed and noise changes dramatically when cornering and does not change what so ever going from 4wd to 2wd)
Suspension joints/connections? (Should I start inspecting ball joints and various connectors if the others fail to be found as the root cause?)
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Old 09-09-2019, 01:41 PM #17
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Issue has been resolved! I wanted to give an update since I hate happening on year old threads with no answer or "i fixed it" messages with no other details to help others.

In my car's case, the actual issue was the front right wheel bearing. The droning was resonating in such a way that it appeared to come from the rear of the car. Additionally, when changing rear brakes/rotors the droning noise had changed which led me away from focusing on the front of the car.

All in all i swapped in a new aftermarket wheel bearing assembly and the car was good to go, and most noticeably had dramatically better road manners at high speed (the bearing had some play at 12 and 6 positions)
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Old 09-09-2019, 03:52 PM #18
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Some youtube videos suggest it is hard to distinguish between front and rear wheel, bearing noise, could it be front ??
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Old 09-09-2019, 03:55 PM #19
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It was somewhat for me, as the noise "felt" like it was coming from the rear, and the wheels didn't appear to have much play on them. In my case i only targeted the front wheel bearing as i already replaced the Front Right, and it was pretty logical that the front left was on its way out too.
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Old 09-09-2019, 04:39 PM #20
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Glad you figured it out, I just went through the same thing and it turned out to be the right rear in my case. Replacing a front hub bearing is simple, replacing the rear is much more involved, and ended up costing about a grand since I went a head and did both right and left.
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