60-75 mph??
Honda-Tech Member
Joined: Sep 2002
Posts: 333
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Re: 60-75 mph?? (wAnNaBe4VTEC)
It can also be caused by bad bearings.
If you front end bearings are worn, then the edges of your rotors will hit the pad carrier.
It will be obvious as the outter edge of the rotor will have about 1/4 inch of metal to metal contact markings on it.
Does the pedal pulse ONLY when braking hard, or all the time.
If it does only when you are braking hard, and you've got decent milage on the car, then it's probably your bearings.
It it does it all the time and it's really pronounced... then it's just rotors.
If you front end bearings are worn, then the edges of your rotors will hit the pad carrier.
It will be obvious as the outter edge of the rotor will have about 1/4 inch of metal to metal contact markings on it.
Does the pedal pulse ONLY when braking hard, or all the time.
If it does only when you are braking hard, and you've got decent milage on the car, then it's probably your bearings.
It it does it all the time and it's really pronounced... then it's just rotors.
Honda-Tech Member
Joined: Aug 2003
Posts: 653
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From: SE Virginia
Re: 60-75 mph?? (wAnNaBe4VTEC)
Try bedding the pads before you go and have the rotors machined:
http://www.stoptech.com/whitep...h.htm
- I have never seen a warped brake disc. I have seen lots of cracked discs, (FIGURE 1) discs that had turned into shallow cones at operating temperature because they were mounted rigidly to their attachment bells or top hats, (FIGURE 2) a few where the friction surface had collapsed in the area between straight radial interior vanes, (FIGURE 3) and an untold number of discs with pad material unevenly deposited on the friction surfaces - sometimes visible and more often not. (FIGURE 4)
In fact every case of "warped brake disc" that I have investigated, whether on a racing car or a street car, has turned out to be friction pad material transferred unevenly to the surface of the disc. This uneven deposition results in thickness variation (TV) or run-out due to hot spotting that occurred at elevated temperatures.
http://www.stoptech.com/whitep...h.htm
- I have never seen a warped brake disc. I have seen lots of cracked discs, (FIGURE 1) discs that had turned into shallow cones at operating temperature because they were mounted rigidly to their attachment bells or top hats, (FIGURE 2) a few where the friction surface had collapsed in the area between straight radial interior vanes, (FIGURE 3) and an untold number of discs with pad material unevenly deposited on the friction surfaces - sometimes visible and more often not. (FIGURE 4)
In fact every case of "warped brake disc" that I have investigated, whether on a racing car or a street car, has turned out to be friction pad material transferred unevenly to the surface of the disc. This uneven deposition results in thickness variation (TV) or run-out due to hot spotting that occurred at elevated temperatures.
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Junior Member
Joined: Oct 2004
Posts: 120
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From: Centreville, Va, USA
Re: 60-75 mph?? (wAnNaBe4VTEC)
If it is shaking when you hit the brakes around 60-75mph, then it is your pads and rotors. if it just shaking at 60-75mph not using brakes, get ur wheels balanced
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