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Unread 05-16-2013, 07:03 PM   #1
flatheadmatt
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1998 XJ Cherokee 
 
Join Date: Apr 2010
Location: Montana
Posts: 132
flat spot on my tires and.....

ive been watching my tires 31X10.5X15 toyo open country M/T, and it looks like the passenger side one is wearing considerably faster. Its almost like a flat spot on a section of the tire. My XJ has always pulled to the right just a bit when driving. This fall I installed all new ball joints, hubs with bearings (timken) and tire rod ends....even a new drag link. I then had it aligned at the local firestone. Any ideas what could be causing this? I have an adjustable track bar (RC) that I installed about 20,000 miles ago. The jeep also has a front end thud between 5-25 mph that sounds like it is coming from the drivers side....I dunno..kinda lost on this one....

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Unread 05-16-2013, 07:04 PM   #2
CJ7-Tim
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2000 XJ Cherokee 
 
Join Date: Apr 2002
Location: out in the garage - Minneapolis, Minnesota
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Pictures ?
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Unread 05-16-2013, 07:46 PM   #3
flatheadmatt
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Location: Montana
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ill snap some as soon as it quits pouring here in bozeman
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Unread 05-17-2013, 07:10 PM   #4
flatheadmatt
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1998 XJ Cherokee 
 
Join Date: Apr 2010
Location: Montana
Posts: 132
Quote:
Originally Posted by CJ7-Tim View Post
Pictures ?
heres some pics...the first one is of the passenger side tire "flatspot" its about a foot long and then the tread becomes "normal"


tread depth at "flatspot"


normal tread depth just above flatspot


passenger side


drivers side


any help or advice greatly appreciated!
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Unread 05-17-2013, 07:13 PM   #5
ratmonkey
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1997 ZJ 
 
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broken belt most likely.
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'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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Unread 05-17-2013, 07:47 PM   #6
CJ7-Tim
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2000 XJ Cherokee 
 
Join Date: Apr 2002
Location: out in the garage - Minneapolis, Minnesota
Posts: 21,950
It could be a manufacturing variance, an out of round tire casing, lack of routine tire balance/rotation, or as suggested maybe a broken tread belt. The odd wear and the thud noise are probably related.
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Between 2009 when Obama took office, and 2013, median annual household incomes have fallen by more than $2,100.

Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ......

Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.
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