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  #1  
Old July 11th, 2018, 11:46
4x4JeePmaNthINg's Avatar
4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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front brakes sticking

My front brakes stick every time I let off the pedal, just for a quick second. you can feel and see the front wheels wiggle once the pads let go.

my best guess is this issue below:

http://www.jeepforum.com/forum/f9/xj...rooves-924713/

I know I have seen these indentations before. I dont weld and would like to know, other than buying new knuckles, which seems kinda dumb for this old of a vehicle, is this the only way to fix this issue?
assuming anything ide find in a JY would have grooves to.

Last edited by 4x4JeePmaNthINg; July 11th, 2018 at 11:57.
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  #2  
Old July 11th, 2018, 15:22
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Wayne Sihler Wayne Sihler is offline
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Re: front brakes sticking

10 min with a wire feed welder and a grinder to smooth out the weld will get you back to good.
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  #3  
Old July 11th, 2018, 15:34
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: front brakes sticking

Do I need to preheat and will a welder that works off 110 work?
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  #4  
Old July 11th, 2018, 19:20
Green XJ Jeep Green XJ Jeep is offline
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Re: front brakes sticking

Quote:
Originally Posted by 4x4JeePmaNthINg View Post
Do I need to preheat and will a welder that works off 110 work?
I didn't. I just used enough heat and wire speed (flux core) to make sure I wasn't making things worse then ground it smooth
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Old July 11th, 2018, 20:45
trippled trippled is offline
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Re: front brakes sticking

Quote:
Originally Posted by 4x4JeePmaNthINg View Post
Do I need to preheat and will a welder that works off 110 work?
You'll be fine. I've fixed quite a few of these before. Really all you need is a few small tacks or a quick bead then grind it. Depending how pad the grooves are they can change your braking pretty noticeably.
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Old July 12th, 2018, 16:19
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: front brakes sticking

ill give it a go then, doesnt seem to difficult.

Thanks for everyones help!
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  #7  
Old July 13th, 2018, 06:00
CJR CJR is offline
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Re: front brakes sticking

This is an interesting fix. But how do you know that the caliper piston is not the cause of the pad sticking? Typically, caliper cast iron pistons are chrome plated. Over time, trapped water causes rust and the chrome plating on the piston starts to flake off and get rough. Likewise, the piston bore in the cast iron caliper gets pitted. The rough/chrome flaked surface, of the piston, prevents the piston from moving smoothly/retracting. Eventually, the rough surface of the piston starts to cut the o-ring seal in the caliper until oil leaks start.

Stainless steel pistons and bronze sleeving of the piston bores, in cast iron calipers, have been used in the past to eliminate this problem.

Best regards,

CJR
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Old July 29th, 2018, 23:05
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: front brakes sticking

I don't know that the caliper isn't sticking. I did however weld/ grind the brake pad grooves, and greased the slides.

These are not the stock calipers so, thus far, though it may still be a possibility, the noise is gone.

If anything persists the caliper will be in check!
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