Tire noise, wheel bearing, or other? - JeepForum.com

 
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post #1 of 7 Old 04-20-2012, 05:29 PM Thread Starter
UNCjeepWK2
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Tire noise, wheel bearing, or other?

I recently had my WK2 serviced and tires rotated. I noticed a subtle wup-wup-wup noise that sped up and slowed down w/ the speed. I thought it might be simply the tires evening out after being rotated... but I've driven over 1k miles since the rotation... so I'm confused.

I checked the tire pressure and they were at 32... which is a little low... so I increased each to 36. But still, the noise persists...

Again, it's pretty subtle, but definitely there. You can hear it... and feel it some in the pedals and steering wheel. Occurs mostly in the 20-50 mph range.

I couldn't imagine a wheel bearing going bad at 28,000 miles...

Any ideas?

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post #2 of 7 Old 03-06-2013, 03:06 PM
heronbelei
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Mine is with the same problem. Did you discover where the noise came from?
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post #3 of 7 Old 03-08-2013, 09:03 AM
Dave2002ti
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bad tire

Try rotating the tires and see if the noise moves or stops.
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post #4 of 7 Old 03-08-2013, 10:22 AM
heronbelei
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Noise continues even if tires are rotated
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post #5 of 7 Old 03-08-2013, 10:33 AM
Dave2002ti
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Tires

Crapyears or Michelins? Still could be the tire
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post #6 of 7 Old 03-08-2013, 10:34 AM
ColdCase
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Look for grease or something stuck to the inside of the wheel, throwing things off balance. Check the tightness of the lug nuts, but if you tried rotating tires I guess they are tight. Look for something that could throw the axles or drive shafts out of balance, or something wrapped around them. Otherwise, if they serviced the transaxle or diff, check oil level. Ask what brand and weight oil they used.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #7 of 7 Old 03-14-2013, 08:39 PM
Blondi5858
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I was having the same problem. Didn't think it was a wheel bearing since I only have 32k miles.
Figured it was the crappy Michelins so it gave me an excuse to buy new tires :-)
It got rid of a little of the road noise, but i was still having the wobble and wup-wup noise.
Brought it to the dealer right after and found out I actually do have a bad wheel bearing on the front right side.
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