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Brake Rotor Replacement

Rangemaster

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I don’t know anything about cracks, but if you are close to me I would sell you my take offs with only 3000 miles on them. They look like new and come with pads.
 

Jeepdog8100

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Be carefull when purchasing rotors, calibers. Jeep produced a couple of rotor thickness, and diameters for the Wrangler Sport S specifically. The thicker rotor will not fit onto a Jeep with the thinner style. Thinner means about 1/8" thinner. They look the same, but the calibers will not fit over the thicker rotor if your jeep is the thinner style.
Also, they produced a couple of different calibers. They made a high performance style will dual 54 mm, and a dual unit with smaller pistons. They are not interchangeable.
 

yokramer

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Be sure to order from a Mopar site with your VIN and elsewhere here is a guide on what the brake codes mean.

BRY - base Sport and Sport S
BR2 - Right hand drive(RHD)
BR3 - 4XE models
BR4 - Xtreme Recon pkg, 392
BR5 - Sahara High Altitude
BR6 - Willys, Sahara, Rubicon, and all w/Eco Diesel
Jeep Wrangler JL Brake Rotor Replacement 1787000101637-j
 

Jeepdog8100

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My brakes failed at 95k. The drivers side front rotor was smoked. The right front was getting really hot too. So i replaced the pads, rotor and caliber. To my amazement, the front right side brake would not release with the new caliber.
The problem turned out to be a blocked brake hose. In all my years as mechanic, i have never had a blocked brake hose. We would replace them for age or cracked outter covering.
So i get it now, why the dealer wants to replace everything when they quote a brake job. I will certainly be replacing the hoses on all my brake jobs in the future.
 

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yokramer

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My brakes failed at 95k. The drivers side front rotor was smoked. The right front was getting really hot too. So i replaced the pads, rotor and caliber. To my amazement, the front right side brake would not release with the new caliber.
The problem turned out to be a blocked brake hose. In all my years as mechanic, i have never had a blocked brake hose. We would replace them for age or cracked outter covering.
So i get it now, why the dealer wants to replace everything when they quote a brake job. I will certainly be replacing the hoses on all my brake jobs in the future.
Could always just put stainless lines on to the calipers.
 

Heimkehr

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My brakes failed at 95k. The drivers side front rotor was smoked. The right front was getting really hot too. So i replaced the pads, rotor and caliber. To my amazement, the front right side brake would not release with the new caliber.
The problem turned out to be a blocked brake hose.

In all my years as mechanic, i have never had a blocked brake hose.
How frequently was the brake fluid flushed (replaced) on your 2018 Wrangler, prior to the rotor failure at 95K?

P.S.: Caliper. ;)
 

zouch

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stainless braided lines are over-rated.

i was fortunate enough to talk to some top brake designers; i was shown that many modern quality hoses now spec pressures as good or better than SS braided, with the added benefit of not running the risk of having a braided wire break and puncture the inner hose.

their reputation is kinda' another hangover thing from back in the day (like slotted rotors) when materials were not as good as they are now.


Could always just put stainless lines on to the calipers.
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