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Front brake lockup....


 
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JeepGCL2001
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Joined: 02 Jul 2006
Location: Mass

PostPosted: Tue Oct 31, 2006 8:51 pm    Post subject: Front brake lockup.... Reply with quote

I was on my way home tonight and my right front rotor was glowing red. i let it cool down and then jacked it up and broke it loose. what could be causing this problem? I was able to make it the last 6 miles home but am concerned about driving it tomorrow. did the caliper just go bad or do i have something else going bad?
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monkeyman3875
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Joined: 06 Jul 2005
Location: Charlotte, NC

PostPosted: Wed Nov 01, 2006 12:14 pm    Post subject: Reply with quote

Most likely your caliper got stuck. My mom had the exact same thing happen to her Chevy Suburban.

For her, the breaks didn't lock, but they started smoking heavily.

Another theory (that I've never heard refuted) is there could be dirt/crap in your brake lines. Not sure what that would do, wether it would prevent the pads from moving, or keeping them from releasing.

Hope this helps....
_________________
-1997 Stock XJ
-4.0 L
-4-speed automatic
-130k Miles (and counting)-> let me know of any preventative maintenance you guys can think of. PM me.
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GeorgeWtheDog
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Joined: 02 Aug 2006
Location: Greentown, Ohio

PostPosted: Fri Nov 03, 2006 6:57 pm    Post subject: Reply with quote

Hey,

It could just be shit in your brake lines. I had a friend who had that happen with a dodge neon--we just pushed the piston back in with a c clamp and he never had a problem with it again.

Another thing I've heard happen is the actual flex line going back. From what I understand the interior line can collapse so that you'll still have pressure on the piston in the caliper.

First, I'd just try cranking the piston all the way in and bleeding some of the fluid out and then I'd try replacing the line. If you still have the problem occuring I'd get a new caliper and then if all else fails, master brake cylinder.
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Jpaul
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Joined: 06 Nov 2006
Location: B.R. Louisiana

PostPosted: Mon Nov 06, 2006 6:12 pm    Post subject: Reply with quote

What George said. The flexable part of the brake line from the hard tubing to the caliper has probabally collapsed. When you press the pedal it will force the piston out, but not let it bleed back off thus causing the pad to ride the rotor. Happened to me before. It smelled like I had wires burning. A new line should be less than twenty bucks. Good luck.
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