Disc warping?

Chupacabra · 10-16-2009, 08:48 AM

My car has about 9,800 miles right now. I have not taken it to the track, or do i go around the city all crazy every day. I do like going at speed on the highway 80,90 when possible...

anyways last night I was getting home, going at it with one of those new camaro v8 things.... my exit was coming up quick and i started applying the brakes, and the steering wheel began to vibrate.... Usually when this happens its warped rotors, but at less than 10,000 miles that is insane...

anyone else have this issue?

iceman21_23 · 10-16-2009, 08:59 AM

vibrate or pulsate? may have just been abs kicking in

Chupacabra · 10-16-2009, 09:05 AM

it could have been ABS... but it was serious.... god i hate abs....

i guess i can take the rotors off and check how flat they are at work.

Xander1281 · 10-16-2009, 10:08 AM

If it was not the ABS, the vibration is most likely caused by pad deposits on the rotor surface. The mistake that most people make is to bring the car to a complete stop when they have been using the brakes allot and the rotors are really hot. At those temperatures the pad material will bond to the rotor surface and create a ridge.

When you have been hard on your breaks you should always let them cool before stopping or parking your car. At a stop light, keep your distance and slowly creep forward to keep things moving to distribute the heat.

Properly bedding your pads from the start also helps to prevent deposits. This gets things up to temperature and burns off the coatings to allow the two surfaces to work together better.

If your vibration is really bad and does not go away in a week or two of normal driving, you could switch to a more aggressive pad for a week and that should smooth things out.

desertzrat · 10-16-2009, 12:44 PM

also if you have been using them really hard on the track or road, dont apply parking brake, it can cause warping.

Stealth_Z · 10-16-2009, 08:03 PM

Well you do track and drive a lot... not to mention going fast and braking hard. So I would understand why it would warp easily. Maybe it's the way you brake... some people brake hard then lets go then brake again. I would think that would give it uneven heat that would warp it.

I never experience ABS creating shaking like that...

Xander1281 · 10-16-2009, 09:13 PM

Actually, deforming the rotor from heat is a myth. 99.9% of the time the cause is pad deposits.

StopTech : Myth # 1 – BRAKE JUDDER AND VIBRATION IS CAUSED BY DISCS THAT HAVE BEEN WARPED FROM EXESSIVE HEAT.

10-16-2009, 08:48 AM	#1 (permalink)
Chupacabra Enthusiast Member Join Date: Jan 2009 Location: Weston, Florida Posts: 477 Drives: 09 Nissan 370z s M6 Rep Power: 200	Disc warping? My car has about 9,800 miles right now. I have not taken it to the track, or do i go around the city all crazy every day. I do like going at speed on the highway 80,90 when possible... anyways last night I was getting home, going at it with one of those new camaro v8 things.... my exit was coming up quick and i started applying the brakes, and the steering wheel began to vibrate.... Usually when this happens its warped rotors, but at less than 10,000 miles that is insane... anyone else have this issue? __________________ Where are my aluminum pedals?

10-16-2009, 09:05 AM	#3 (permalink)
Chupacabra Enthusiast Member Join Date: Jan 2009 Location: Weston, Florida Posts: 477 Drives: 09 Nissan 370z s M6 Rep Power: 200	it could have been ABS... but it was serious.... god i hate abs.... i guess i can take the rotors off and check how flat they are at work. __________________ Where are my aluminum pedals?

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10-16-2009, 08:59 AM	#2 (permalink)
iceman21_23 Track Member Join Date: Jan 2009 Location: league city, tx Posts: 757 Drives: 09' Solid Red 370z Rep Power: 18	vibrate or pulsate? may have just been abs kicking in

10-16-2009, 10:08 AM	#4 (permalink)
Xander1281 Base Member Join Date: Apr 2009 Location: Fairport, NY Posts: 9 Drives: . Rep Power: 16	If it was not the ABS, the vibration is most likely caused by pad deposits on the rotor surface. The mistake that most people make is to bring the car to a complete stop when they have been using the brakes allot and the rotors are really hot. At those temperatures the pad material will bond to the rotor surface and create a ridge. When you have been hard on your breaks you should always let them cool before stopping or parking your car. At a stop light, keep your distance and slowly creep forward to keep things moving to distribute the heat. Properly bedding your pads from the start also helps to prevent deposits. This gets things up to temperature and burns off the coatings to allow the two surfaces to work together better. If your vibration is really bad and does not go away in a week or two of normal driving, you could switch to a more aggressive pad for a week and that should smooth things out.

10-16-2009, 12:44 PM	#5 (permalink)
desertzrat Base Member Join Date: Jul 2009 Location: Las Cruces NM Posts: 20 Drives: 09 370ZT Platinium 6 Rep Power: 16	also if you have been using them really hard on the track or road, dont apply parking brake, it can cause warping.

10-16-2009, 08:03 PM	#6 (permalink)
Stealth_Z Base Member Join Date: Sep 2009 Location: Sunny Socal Posts: 196 Drives: 09 Nissan 370z Rep Power: 16	Well you do track and drive a lot... not to mention going fast and braking hard. So I would understand why it would warp easily. Maybe it's the way you brake... some people brake hard then lets go then brake again. I would think that would give it uneven heat that would warp it. I never experience ABS creating shaking like that...

10-16-2009, 09:13 PM	#7 (permalink)
Xander1281 Base Member Join Date: Apr 2009 Location: Fairport, NY Posts: 9 Drives: . Rep Power: 16	Actually, deforming the rotor from heat is a myth. 99.9% of the time the cause is pad deposits. StopTech : Myth # 1 – BRAKE JUDDER AND VIBRATION IS CAUSED BY DISCS THAT HAVE BEEN WARPED FROM EXESSIVE HEAT.