Something rubbing every time I step on the brakes. - JeepForum.com
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Unread 12-22-2012, 06:21 PM   #1
XJGuy07
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1992 XJ Cherokee 
 
Join Date: Oct 2012
Location: Aberdeen, Idaho
Posts: 57
Something rubbing every time I step on the brakes.

So, I just put new tires and a lift on my jeep, and every time I step on the brakes something starts vibrating. I dont know whether its rubbing on the fenders or the brakes are all messed up. We had problems getting the brakes bled. Please Help!!!!


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Unread 12-23-2012, 05:59 AM   #2
wgirvine
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1992 XJ Cherokee 
 
Join Date: Oct 2007
Location: Rosamond, CA
Posts: 603
Hate to tell you this, but it ain't magic...

You think something is rubbing? Ok, jack up the Jeep, get a flashlight and start looking. Turn the tires, work the brakes, see what's going on. Take the tires and brake drums off, take a look. I can't see how air in the brake lines would cause a vibration. And bleeding brakes isn't tricky. If you had problems, you were doing it wrong. Figure out (read) how to do it correctly. Welcome to Auto Repair 101.

Oh, and don't step on the brakes while the drums are off!
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Unread 12-23-2012, 11:49 AM   #3
tsc
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2006 LJ Wrangler 
 
Join Date: Mar 2007
Location: Pacific Northwest
Posts: 517
Do you have ABS? could be the abs pump is going off if something is wrong with one of the sensors.
You also may have a front caliper hanging up
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Unread 12-23-2012, 11:31 PM   #4
XJGuy07
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1992 XJ Cherokee 
 
Join Date: Oct 2012
Location: Aberdeen, Idaho
Posts: 57
No, I don't think I do. It's a 92 Laredo. I'm starting to think it's the brake fluid because they haven't been bled properly. But that shouldn't make it vibrate could it?
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Unread 12-24-2012, 02:28 PM   #5
wgirvine
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1992 XJ Cherokee 
 
Join Date: Oct 2007
Location: Rosamond, CA
Posts: 603
Air in the brake system will not cause vibrations. Can you describe the vibration? Do you feel it in the steering wheel? Brake pedal? Or the seat-of-your-pants?
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Unread 12-25-2012, 12:14 AM   #6
XJGuy07
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1992 XJ Cherokee 
 
Join Date: Oct 2012
Location: Aberdeen, Idaho
Posts: 57
It seems like it vibrates the brake pedal. What do you think it could be?
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Unread 12-26-2012, 08:42 AM   #7
wgirvine
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1992 XJ Cherokee 
 
Join Date: Oct 2007
Location: Rosamond, CA
Posts: 603
If you are feeling a pulsing (feels like the brake pedal is rapidly moving up and down) most likely cause is out-of-round brake drums, or warped/uneven rotors.
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Unread 12-26-2012, 12:02 PM   #8
Hudson
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1999 XJ Cherokee 
 
Join Date: Mar 2010
Location: New Milford, Connecticut
Posts: 785
I'd reccomend you buy "speed bleeder" for your jeep. They're a foolproof and easy way to bleed your brakes.

They cost about 20$ for two (40$ for your whole vehicle) and work wonders.

You unscrew your old bleeder valve and screw in this new one. It has a one way valve in it. Once it's in you crack it and pump the brakes. Air and fluid comes out and nothing goes back in. It's super fast and fool proof.
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Unread 12-27-2012, 12:08 AM   #9
XJGuy07
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1992 XJ Cherokee 
 
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Location: Aberdeen, Idaho
Posts: 57
hmmm, I think i'll try that. Hopefully that will work. Where could I buy it?
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