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Unread 10-17-2013, 08:37 AM   #1
cpdr26
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1999 XJ Cherokee 
 
Join Date: Jul 2011
Location: Chesterton, IN
Posts: 74
Front vibration/grinding when driving

99 XJ 4.0L - approx 180k


So I was under the impression that my wheel hub bearings were going bad, because when I'm driving I can feel a very faint vibration/grinding kind of feel through the steering wheel. So I replaced them last week, and one of the hubs was pretty bad, and the other one wasn't all that bad.

So today, I'm driving...and I still feel this faint vibration/grinding. What else can this be? It is speed dependent, so I feel it more when going faster. Could this be something as simple as the tires? I have all season tires and they've got about 80% tread left...or can the front diff cause any vibrations?

Thanks for any suggestions

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Unread 10-17-2013, 08:24 PM   #2
JeepZJlover
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2002 TJ Wrangler 
 
Join Date: Dec 2003
Location: Marion, IA
Posts: 805
I'm in the same boat I'm pretty sure it's carrier bearings
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Unread 10-21-2013, 04:07 AM   #3
xj89can
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1989 XJ Cherokee 
 
Join Date: Oct 2013
Posts: 27
id also like to know , im having the same issue. not positive but sounds to be front passenger side on mine. its a rotating grinding sound ,loudest at 40-50km/h .no leaks besides the stock oil drip. freshly greased u joints, diffs are filled, drive shafts clean,nothing loose. sound seems to quiet itself at faster speeds .sorry not trying to jack your thread but it seems we have the same issue so im going to ride your coat tails on this one. thks in advance
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Unread 10-21-2013, 07:00 AM   #4
fang_x
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1998 TJ Wrangler 
 
Join Date: Jun 2009
Location: Montreal, Canada
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Check your front driveshaft, my Tj was making a grinding sound, checked the wheel bearings and they were fine.

So i pulled the front shaft out and the double cardon joint was bad. The u joints were fine, but the centering ball was broken.
i had similar symptoms
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Unread 10-21-2013, 11:30 AM   #5
xj89can
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1989 XJ Cherokee 
 
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fang x what as the price tag on this ?
thks
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Unread 10-21-2013, 02:05 PM   #6
jeepster383
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New front driveshaft from parts stores will run 250$. Check you're axle u joints also
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Unread 10-22-2013, 01:05 AM   #7
carnuck
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1984 J-Series Truck 
 
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Make sure it's not a bent brake backing plate touching the rotors!
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Unread 10-22-2013, 01:24 AM   #8
kyminer
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My 04 is doing the same thing.
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Unread 10-22-2013, 01:26 AM   #9
kyminer
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Quote:
Originally Posted by fang_x
Check your front driveshaft, my Tj was making a grinding sound, checked the wheel bearings and they were fine. So i pulled the front shaft out and the double cardon joint was bad. The u joints were fine, but the centering ball was broken. i had similar symptoms
my 04 is doing same thing. I was thinkin diff bearings. But did that fix it. I'd rather replace that vs front end
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