Brake Rotor Help
10-14-2009, 07:25 AM
#1
JK Super Freak
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Brake Rotor Help
I just took my tires off for rotation/brake inspection and noticed that my rear pads are literally almost all the way gone!!!
How do I know if the rotors also need to be replaced? If I run my finger across the rotor (from the inside to the outside) it feels as tho there are little lines, I can feel something there...
If I run my finger around the rotor in a circle it is smooth...
Thanks
How do I know if the rotors also need to be replaced? If I run my finger across the rotor (from the inside to the outside) it feels as tho there are little lines, I can feel something there...
If I run my finger around the rotor in a circle it is smooth...
Thanks
10-14-2009, 07:28 AM
#2
JK Super Freak
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After a 2nd look at the pads it looks like they are tapered at the top and bottom...is this wear or just the design of the pads?? the part of the pads other than the tapered section still looks pretty good...
10-14-2009, 08:15 AM
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JK Super Freak
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10-14-2009, 08:45 AM
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JK Newbie
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Most pads have a small taper on the edges of the pads usually on the top side. Small groves on the rotor are normal, as pads wear they do not wear perfectly even.
03-30-2011, 12:28 AM
#6
JK Junkie
Hi there. I was wondering if you were able to find out some signs or symptoms that the rotors would already need a replacement because my friend is thinking if it's already time that his rotors are already worn-out. He is looking at this mountain brake rotors as a replacement but we're just wanna make sure if it's already the right time to replace the rotors. Hoping you could share us some info and opinions about it.
03-30-2011, 01:25 AM
#7
JK Super Freak
I'm no brake specialist. But I was tought by a profesional. You can't tell if your rotors need replacing just by looking. Unless they are warped or have deep groves. Under normal wear conditions, you should have your rotors turned down after every other pad replacement. Turning down your rotors gives you better stopping power. And they make less noise. But it also increases the replacement intervals.
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03-30-2011, 01:45 AM
#8
JK Jedi Master
The minimum size of the rotor is stamped into each rotor. Most folks on the forum say that, at most, you'll get one turn from each rotor--there just isn't much extra built into them. YMMV. Any machine shop will be able to guide you, BTW.
Also, the rear brakes will go fastest--that is quite common on newer vehicles. And they will not wear evenly--one side of the pad (when looking at its rotation) will probably wear much faster than the other.
Also, the rear brakes will go fastest--that is quite common on newer vehicles. And they will not wear evenly--one side of the pad (when looking at its rotation) will probably wear much faster than the other.
03-30-2011, 03:56 AM
#10
Eternal ***erator
I cant remeber when i changed my rear pads the first time, but it seems like it was somewhere around 20-25k? I know i was surprised they burned through so fast. I bought front & rear pads based on the rear pad wear, the front pads still sit on my workbench at 45k. Rear ones need to be changed again sometime this summer. 