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  #13  
Old 05-04-2016, 05:30 AM
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Re: Brake rotors warping

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Originally Posted by jeep12joe View Post
Thank you to everyone for the replies. I ended up taking the Jeep to a mechanic I have used on previous cars for years. He told me that the pads on the outside of the front rotors are relatively new, while the pads on the inside of the front rotors are almost completely worn. Not sure how this happened but I will be giving the dealership I bought it from a call. Unfortunately I bought it used with 54,000 miles on it so there's no chance of a warranty claim. Hopefully I can get the dealer to do something since they told me I had "brand new" brakes when i bought it.
sticky caliper pins/sides. "brand new" probably means they just slapped in a set of pads. Unlikely you'll get satisfaction from the seller

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  #14  
Old 05-04-2016, 07:16 AM
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Re: Brake rotors warping

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Originally Posted by Robey5 View Post
I have a little under 118k on my O-land. I still have not replaced a single brake part yet. No pads, rotors, etc ... owned since new. I have noticed that my front rotors are a little jumpy at high speed braking, and when I replace the brake pads, the front rotors are going along for the ride. That said, I think that the brakes are 'appropriately' powered for this vehicle - as I have hauled quite a bit with this truck and have been able to stop fast when needed.
I'm not that far yet on my Grand Cherokee, but I still have the original brakes on my 04 Dodge Ram Diesel with 110k on it. They have plenty of life left in them too. Original clutch and 3 rd set of tires.
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  #15  
Old 05-04-2016, 08:28 AM
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Re: Brake rotors warping

We had our front brake rotors and pads changed under warranty at around 21k miles. The front rotors were noticably warped when applying the brakes!
Now at 28k with no problems since.
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  #16  
Old 05-10-2016, 08:05 AM
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Re: Brake rotors warping

Before anyone goes and pays to have their rotors replaced, do some light reading.
Tech Article: Warped Brake Discs
99.999% of the time rotors are NOT warped. It is likely your driving habits. Do yourself a favor and do a bedding in on the brakes before taking it to a shop.
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  #17  
Old 05-10-2016, 09:30 AM
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Re: Brake rotors warping

I have had a weekly commute down some long mountain grades for about the last 12 years. Not using the brakes on US 421 from Deep Gap towards Wilkesboro NC will accelerate the Grand Cherokee to 35 or 40 mph over the posted limit. Since I don't want to lose my license, I use my brakes on that stretch, and several others on this route, a lot.

My 04 Exploder did not handle this task well at all, and I replaced the front rotors twice before I bought a quality set with a lifetime warranty. The brakes on my 12 GCO are much beefier, and took nearly 100k miles to developed a warp a few weeks ago. Without this weekly workout, I could easily get 150k or more from these brakes.

The key is not to use them! Better said, use them as little as possible. Maintain distance from the car ahead of you, and look far down the road to anticipate slow downs. I routinely see a slow downs several seconds before some dumbass four of five cars ahead of me jams on his brake. In the meantime I've already let my foot of the gas, and most times never have to use the brake in that situation.

I also let the vehicle slow itself down ahead of a traffic light that I know is going to turn red, or a decrease in the posted speed, or coming off the highway onto a ramp. Not only does this save my brakes, but gas too...
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  #18  
Old 05-10-2016, 09:37 AM
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Re: Brake rotors warping

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Originally Posted by The Evil Twin View Post
Before anyone goes and pays to have their rotors replaced, do some light reading.
Tech Article: Warped Brake Discs
99.999% of the time rotors are NOT warped. It is likely your driving habits. Do yourself a favor and do a bedding in on the brakes before taking it to a shop.
Good article.
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  #19  
Old 05-10-2016, 02:51 PM
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Re: Brake rotors warping

"Holy Engine and Aerodynamic Braking Smokes ! How do you even brake bro ? Do you find engine braking/downshifting and opening the doors and rear gate slows you down adequately?"

Well, I do not employ the door-open aerodynamic brake technique, even though I got a good chuckle when I read what you posted....

The reality is that I DO haul with my JGC; and I do drive a LOT, but I do not do a lot of hard braking; and employ the "foot off the gas" technique when I see traffic slowing patterns ahead. I have been quite amazed that I have not had to replace any brake parts (yet) and based on the fact that I know that nothing lasts forever I know that I may be living on borrowed time now. I'm sure that I will be replacing the brakes in the near future; but if the wear indicators are not hitting anything: and it's not squealing when I hit the brakes, then I'm not going to replace things "just cause".
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  #20  
Old 05-27-2016, 11:05 PM
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Re: Brake rotors warping

I have 85K all original. I noticed this too from time to time, I took apart cleaned, re lubed and put back together. I think I had a stuck caliper. Still plenty of meat on the pads. Works great now.
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  #21  
Old 06-15-2016, 09:30 PM
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Re: Brake rotors warping

I have a slight pulsation on braking and an odd issue- when I reverse out of a parking spot, turning the wheel to the right, something seems to drag. So, after 104k miles I did my first DIY thorough brake inspection.

I have 0.002" runout on the drivers front disc and about 0.015 on the opposite corner, others are just about 0. There is no grooving at all on any of them and I have plenty of pad material left.

Some weekday when I'm not busy I'll remove all four rotors and take them to O'Reilly to get turned down.

Any clue as to what the drag would be?
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  #22  
Old 06-21-2016, 09:42 AM
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Re: Brake rotors warping

Sometimes bad front wheel alignment can cause pulsation when brakes applied
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  #23  
Old 06-22-2016, 06:47 AM
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Re: Brake rotors warping

I have a set of gently used rotors for sale if anyone needs, for the 2014+ Grand Cherokee with the 3.6 L V6 engine. Gently - because my wife does the driving, in a straight line - to and from work. She takes the highway, drives at 5 MPH for 20 minutes and back the same way. 24,000 miles on the rotors.

There's considerable life left, I can have a measure of that. I am selling because I upgraded the brakes to the HD spec (larger front rotors, rear vented rotors).
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  #24  
Old 06-23-2016, 09:37 AM
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Re: Brake rotors warping

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Originally Posted by f1anatic View Post
I am selling because I upgraded the brakes to the HD spec (larger front rotors, rear vented rotors).

Did vented rotors fit w/o issues in the rear? They are slightly thicker from what I know ... I did see a warning about trying to do this as they might not fit.


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