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Unread 10-16-2010, 10:24 PM   #1
purplecty
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2003 WJ 
 
Join Date: Jan 2010
Location: Chicago, IL
Posts: 385
Bad Wheel Bearing?

what are the symptoms of a bad wheel bearing? i have a loud howl/hum coming from front end. seems to get a lot louder at higher speeds. very loud can barely hear radio on HWY. it is constant whether stepping on gas or not it just stays howling/humming. can this be bad wheel bearings? 2003 WJ 4.0 136,000 miles

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Unread 10-16-2010, 11:28 PM   #2
soul_Less
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1994 ZJ 
 
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Location: , Alberta
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on my zj, it kinda sounds like you're driving over rumble strips on the highway..
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Unread 10-16-2010, 11:56 PM   #3
TallyZJ
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1996 ZJ 
 
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Quote:
Originally Posted by purplecty View Post
what are the symptoms of a bad wheel bearing? i have a loud howl/hum coming from front end. seems to get a lot louder at higher speeds. very loud can barely hear radio on HWY. it is constant whether stepping on gas or not it just stays howling/humming. can this be bad wheel bearings? 2003 WJ 4.0 136,000 miles
Lift the front end off the ground. Roll each wheel by hand and feel for a gringing/rubbing/notchy feel. Listen for noise.

Grab the tire by the top and the bottom and shake back and forth (to the inside and the outside) and feel for a clunk or some play.
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Unread 10-17-2010, 01:47 AM   #4
paddingtonbear
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At least in my case there was a noticeable change in the driving and handling, my wheel bearing blowing caused death wobble, the lift and shake method works, if you do tight corners in a parking lot you feel it click, grind, or steering vibes thats another way to check, that is what mine was doing and how it was diagnosed.
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Unread 10-17-2010, 08:47 AM   #5
purplecty
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2003 WJ 
 
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i do notice a click in the steering wheel. but it seemed like something in column. always thought it was like just something loose in the steering wheel. could i have a bad wheel bearing?
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