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Unread 12-23-2013, 12:11 AM   #1
Dead-On
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New rear rotors and pads needed at 17K???

So I started hearing that tell tale sound that sensors make when the pads are worn and I took my JKU into my regular mechanic. He said the rear pads are shot and I need new rotors. They are pretty torn up and can't be turned. My inspection is due this month also and he said he would let it slide till the salt & cinder season is over. So he put a sticker on it. Now I have a couple concerns. 17K seems a little soon to be replacing rear rotors. Also the sensors did not give much of a warning. So here are my questions...


Are the Stock parts junk?

Is there a better rotor & pad I can buy in March that is more durable than these?

I'm a little disappointed I needed rear rotors at 17K.

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Unread 12-23-2013, 07:13 AM   #2
4x4jkx
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The rear pads are notorious for needing replacement before the fronts, jks have a programmed rear brake bias. 17k still seems a little early. I would get a second opinion on the rotors, unless you have been running with a lot of mud caked on them your shouldn't need to replace them this early.

If they are shot I know ebc makes good brakes and pads.
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Unread 12-23-2013, 07:39 AM   #3
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Brakes and clutches are two things whose longevity is determined mostly by the driver. That's the main reason they are covered for only 12 months or 12,000 miles.

I got over 50,000 miles out of the rear pads, and the front pads are no where near worn out. So I would say the OEM parts are not junk.
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Unread 12-23-2013, 08:32 PM   #4
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On a JK the rears tend to wear quicker but 17k seems very quick. What is your driving style? I like to have fun on snow and ice and I feel the rear brakes "pulling" me back into a straight line but I don't do it all the time, but I know it's stuff like this that probably wears them out quick.
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Unread 12-23-2013, 08:43 PM   #5
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Driver bias is the main cause of early brake failure IMO. I just put new rotors/pads on my 08 at about 70,000 miles. The rears were worn way down, the fronts, maybe half worn....I have ridden as a passanger with several JK auto folks, and they seem to ride the brakes IMO...not good from my perspective, like a clutch, get on it or get off it, don't ride it.
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Unread 12-24-2013, 12:19 AM   #6
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Well I don't drive like a grandma but I also don't drive like a jerk or tailgate etc... It's an automatic and not a manual. I live in a very hilly and curvy part of PA and drive a lot of dirt roads. I do keep the wheels free of mud and snow. I trust my mechanic and I checked it myself. The rotors are pretty chewed up evenly in the rear on both sides. The sensors did not give me much warning at all.
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Unread 12-24-2013, 01:26 AM   #7
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Have 36k on my pads and rotars. I think it has to do wth me engine braking with the manual. I have seen this alot but can't remember if it was mostly in autos or not.
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Unread 12-24-2013, 01:26 AM   #8
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Quote:
Originally Posted by Dead-On View Post
Well I don't drive like a grandma but I also don't drive like a jerk or tailgate etc... It's an automatic and not a manual. I live in a very hilly and curvy part of PA and drive a lot of dirt roads. I do keep the wheels free of mud and snow. I trust my mechanic and I checked it myself. The rotors are pretty chewed up evenly in the rear on both sides. The sensors did not give me much warning at all.
You aren't lying about the roads up there. I graduated from Uniontown and lived up your way myself.
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Unread 12-24-2013, 08:39 AM   #9
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What size tires are u running? And for how long. I ran 33s and then 35s and had to change mine at 25k miles

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Unread 12-24-2013, 08:41 AM   #10
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What size tires are u running? And for how long. I ran 33s and then 35s and had to change mine at 25k miles

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OP is running 255/75/R17s and I have 37 x 12.50 R17s
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Unread 12-24-2013, 08:48 AM   #11
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Quote:
Originally Posted by zjilla View Post
What size tires are u running? And for how long. I ran 33s and then 35s and had to change mine at 25k miles

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Stock BFG Mud-Terrain T/A KM 255/75R17
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Unread 12-24-2013, 10:13 AM   #12
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I am running 35 inch KM2s and been on for 40k miles.
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Unread 12-24-2013, 10:20 AM   #13
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It's probably the roads terrain and driving style. Also like stated before the rears wear faster because of the traction control. I usually turn off the traction control when offroading. I would rather control wheel spin myself with throttle response.
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Unread 12-24-2013, 11:01 AM   #14
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YATZI1980 - do you turn the entire system off, or just the ESP? Turning off the ESP still leaves the BLD system in operation...
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Unread 12-24-2013, 11:09 AM   #15
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My 09 was going through the rears quickly. When I installed Teraflex Big Brakes & M/C I also replaced the rears using Autozone's top of the line pads & rotors. They appeared to be better quality than the stock stuff and less costly. 20k miles plus later the rears look great. Btw, I've also shy off ESP using the steering wheel hokey pokey.
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