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Unread 10-18-2013, 05:55 PM   #1
colebe
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1997 ZJ 
 
Join Date: Oct 2013
Location: belews creek, NC
Posts: 1
Wits end!

Hello all! I am new to this forum but I am at my wits end with my '97 ZJ.
Here's the shortest version I can give.
Right front caliper froze recently causing steering wheel to turn violently back and forth until I was able to free the piston by driving on the highway rumblestrip.
Caliper boot was melted and pads/rotor were shot. Pads showed signs of wearing unevenly front to rear.
Since this event I have a steady pull to the right which gets really bad when braking. My wife will no longer drive her until fixed!
What's been done...
I have personally replaced all of the front brake components - pads, rotors, calipers, flex hoses. I have cleaned and lubed the slide rails. All 4 wheels have been bled to flush all old fluid. Wheel alignment has been checked good. Tires have been rotated. All front end suspension/steering components look good visually. No obvious signs of damage or unusual wear. Brake pressures have been checked good. Go to full pressure evenly and release evenly. Driving at 30 MPH, go to neutral, still pulls. Driving at 30 MPH, turn off ignition, still pulls.
I consider myself an above average mechanic having done all my own maintenance for 30 years. This one has got me stumped. I apologize for the length of this post. Any knowledge shared will be greatly appreciated.

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Unread 10-18-2013, 06:28 PM   #2
970001zj
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1997 ZJ 
 
Join Date: Feb 2012
Posts: 2,023
tire wear/bearing/alignment/wear on parts like bushings
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Unread 10-18-2013, 07:56 PM   #3
ieattacos
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1993 ZJ 
 
Join Date: Oct 2013
Location: Modesto, CA California
Posts: 46
Ball joints
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Unread 10-18-2013, 08:19 PM   #4
970001zj
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1997 ZJ 
 
Join Date: Feb 2012
Posts: 2,023
that too but i thought an above average mech wouldve caught that one
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Unread 10-19-2013, 04:44 AM   #5
coralman
green backs to no backs
 
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1998 ZJ 
 
Join Date: Jul 2010
Location: florida
Posts: 4,329
Divots in caliper slides on knuckle. You can see them in post#3 of this thread.
http://www.jeepforum.com/forum/f13/c...build-1518536/
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Move over bear.I'm tired of working on the jeep

Links to axle rebuilds, mount replace,a/c box rebuild,ect in history section of my profile page
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Unread 10-19-2013, 06:49 AM   #6
kbranderhorst
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1998 ZJ 
 
Join Date: Sep 2013
Location: Holland, Michigan
Posts: 42
something easy and cheap too try would be swapping the front tires left too right and see if that helps i have had that happen too me at work before do all new brakes and still have a pull ended up being a tire issue good luck other than that like said above could be a worn front end part or some type of restriction in the hydraulic system ex: master cylinder abs or proportioning valve good luck
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Unread 10-19-2013, 06:50 AM   #7
kbranderhorst
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1998 ZJ 
 
Join Date: Sep 2013
Location: Holland, Michigan
Posts: 42
like said above as well the steering knuckle divots are a very good possibility on a jeep i had too fill mine in with weld 2 weeks ago
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