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Old 05-29-2015, 03:04 PM   #1
Shin Diesel
 
Drives: 2014 Camaro ZL1
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Rotor Issue

So follow up on my last thread.
Vibration was getting stronger everytime i hit the brake on the freeway. I decided to take it to the dealership.
They said i need to replace all the rotors (front/back) due to worn out.
But only after 20000 miles? and he explained, it all depends how you drive your car. I have never done tracks or anything crazy. this is my daily car.
Is it possible that the rotors were defective? Anyone has any information, how i can claim this to chevy?

thank you
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Old 05-29-2015, 03:37 PM   #2
ZMEnow

 
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Did you soft peddle them a lot, if so they will get build up that once the rotor gets hot they will pulsate, but will appear ok when they are cool..
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Old 05-29-2015, 03:55 PM   #3
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Originally Posted by ZMEnow View Post
Did you soft peddle them a lot, if so they will get build up that once the rotor gets hot they will pulsate, but will appear ok when they are cool..
what's soft peddle?
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Old 05-29-2015, 05:55 PM   #4
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what's soft peddle?
Every now and then you need to stand on them to clean up any material or rust on the rotors. if you don't the sections that build up will grab the brake pad when braking thus pulsation. It can get so bad you will need to replace them since you cant cut the ZL1's. I guess if you know what you are doing you could attempt to sand them out..

The other cause my be if someone excessively tighten the lug nuts and over time you did warp the rotor..
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Old 05-29-2015, 06:50 PM   #5
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Find an open stretch of road where you can accelerate up to 70 mph safely and without getting a ticket. When able to, press hard on the pedal to the point just before you activate the ABS. The trick is to get the wheels and tires to bite hard but not lock up. Bring the car down to 35-40 mph and then accelerate back up to 70, and repeat again at least 6 times. After finishing the procedure continue driving at normal highway speeds to cool the rotors down (seasoning the rotors) for 15 mins and avoid braking heavily until cooled. The car will smell like brake material burned, but is necessary to bed the brake pads properly.
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Old 05-29-2015, 06:53 PM   #6
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Originally Posted by ZL1-V View Post
Find an open stretch of road where you can accelerate up to 70 mph stand on the pedal to the point just before you activate the ABS. The trick is to get the wheels and tires to bite hard but not lock up. When at 40 mph accelerate back up to speed and repeat again at least 6 times. After finishing the procedure continue driving at normal highway speeds to cool the rotors down (seasoning the rotors) for 15 mins and avoid braking heavily until cooled. The car will smell like brake material burned, but is necessary to bed the brake pads properly.
I am not sure he has enough pad to go through this bedding process. It would be good to see them. Maybe the OP will post some pictures of his rotors and pads?
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Old 05-29-2015, 06:55 PM   #7
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I am not sure he has enough pad to go through this bedding process. It would be good to see them. Maybe the OP will post some pictures of his rotors and pads?
True, I shouldn't assume thanks Pete!
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Old 05-29-2015, 09:46 PM   #8
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Quote:
Originally Posted by ZMEnow View Post
Every now and then you need to stand on them to clean up any material or rust on the rotors. if you don't the sections that build up will grab the brake pad when braking thus pulsation. It can get so bad you will need to replace them since you cant cut the ZL1's. I guess if you know what you are doing you could attempt to sand them out..

The other cause my be if someone excessively tighten the lug nuts and over time you did warp the rotor..
Could the rotors be warped by washing the car right after a long drive , rotors got hot , and one uses a garden house to shoot water into the wheels /brakes and the rotors get a lot of cold water while they are hot , and boooom , the rotors get warped
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Old 05-29-2015, 09:55 PM   #9
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Could the rotors be warped by washing the car right after a long drive , rotors got hot , and one uses a garden house to shoot water into the wheels /brakes and the rotors get a lot of cold water while they are hot , and boooom , the rotors get warped
Warped rotors and other myths... http://stoptech.com/technical-suppor...nd-other-myths
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Old 05-30-2015, 10:57 AM   #10
Jetcop20
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YES

Daily driver could easily have BUGGERED rotors after 20000 miles
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Old 06-02-2015, 06:19 PM   #11
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unfortunately i am in the same boat as Shin Diesel. i have about 32k miles and I'm getting good amount of vibration from the steering wheel when braking. :( Can the zl1 rotors be resurfaced?
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Old 06-02-2015, 06:38 PM   #12
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can and should are different. If you drive your zl1 like you stole it, if your track your zielone you should not resurface the rotors.
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