Dragging left rear brake - Rubicon Owners Forum
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post #1 of 18 (permalink) Old 05-13-2009, 07:37 AM Thread Starter
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Dragging left rear brake

I have noticed recently that my left rear brake is dragging. At least thatís what I think it is. If I drive any distance at all, the wheel gets hot as hell and I can smell the brakes. I replaced the rotor and pads. I also clicked in the emergency brake adjuster as well. I used the lug nuts to center the rotor and turned it by hand to see if I could hear any dragging. All seemed fine. Back together again, I drove it, but it still didnít cure the problem. What else could it be? HELP!!
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post #2 of 18 (permalink) Old 05-13-2009, 07:38 AM
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Re: Dragging left rear brake

Lots of things. What needs to happen next is you'll need to determine if it's a park or service brake, then if it's mechanically binding or if it is a service brake, if it's hydraulically binding.

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post #3 of 18 (permalink) Old 05-13-2009, 09:45 AM
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Re: Dragging left rear brake

I would start by checking the brake caliper. When you took the pads and rotors off did the left side look a lot more worn? if so it is probably brake caliper. You could start by bleeding the whole system. start from the farest one from the master cylinder. RR to LR to FR to FL. if it does not get any better i would go ahead and replace the brake caliper.
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post #4 of 18 (permalink) Old 05-13-2009, 10:33 AM Thread Starter
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Re: Dragging left rear brake

I have 30,000 miles on the stock 2006 Rubicon. I did notice that the left rear pads were a little more worn and had a white deposit on them. The calipers seem to be floating nicely on the two bolts, as well. I will go ahead and bleed the system and see if that makes any problem.
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post #5 of 18 (permalink) Old 05-16-2009, 01:04 AM
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Re: Dragging left rear brake

Just had this same problem. Rear driverside caliper kept sticking. The pads were shot w/in 7k miles and the rotor was fried. Replaced the rotor and pads. Checked the caliper... it was sticking at 1st, but got it unstuck and appeared to be working fine. 1 day later I hit the brakes and it locked up again. Had to pull off the road it was smoking so bad and the wheel was extremely hot. Caliper was shot.
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post #6 of 18 (permalink) Old 05-16-2009, 06:15 AM
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Re: Dragging left rear brake

Same problem with the rear driver side. Replaced the caliper and now it's fine.

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post #7 of 18 (permalink) Old 05-17-2009, 12:33 AM
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Re: Dragging left rear brake

Wow, it sounds as if this might be a common problem. It also happened to me on the drivers side rear brake after I replaced my rear pads and rotors for the first time. Had to replace the caliper (I did both at the same time). I wonder if it's a coincidence that it seems to always be the drivers side?

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post #8 of 18 (permalink) Old 05-17-2009, 06:07 PM
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Re: Dragging left rear brake

I had that happen out of the blue. I took the caliper off checked it out, (it wasn't seized at all) greased it up and it still did it. Two weeks later we went on a run, it was smoking like crazy when I got to the trail head but after a good day of wheeling the problem hasn't come back. Two other club members had it happen before as well.

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post #9 of 18 (permalink) Old 05-17-2009, 09:30 PM
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Re: Dragging left rear brake

I've replaced both of mine, drivers first, then pass. about a month later. Only 5k on 'em.

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post #10 of 18 (permalink) Old 05-17-2009, 09:45 PM
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Re: Dragging left rear brake

i had the same issue on my 2006 LJ rubi. the drivers side caliper was shot (was also sticking and would not release and overheating) and ruined the rotor and pads. the dealer replaced both rear calipers under warranty.

the issue has not recurred, but i am super anal about hosing them off now after every trip off the highway just in case.

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