Quote:
Originally Posted by GregWeld
You're info is right on! And yes - you can deglaze the pads with some 80 grit -- and "rough up" the rotor..... but obviously that's real stop gap.
Brake pad glazing is caused when the brake pad friction material is overheated.
This results in crystallized friction material on the pad surface and the brake disc.
Typical symptoms of glazed brake pads include: Poor stopping performance, vibration or brake judder, and cracks or fissures in the brake pad material.
Pad glazing is typically caused by operating the brake pads at a temperature above the specified temperature range of the friction material or not properly following the 'Bedding-in' instructions for the brake pads. Always follow the manufacturers brake pad bedding-in instructions and use a brake pad that has a temperature range that is sufficient for its intended use.
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In prep for getting ready to autocross this weekend I pulled the front brakes apart again and found the pads still had plenty of meat on them but were severely glazed over and one had some pretty good cracks and even a spot that looked like it was going to break out of the middle of the pad on one.
I scuffed the rotor and put in a set of new pads (They were the only ones I had and a backup I kept in my tool box).
Holy crap, I did not know how bad those other pads were until I went for a spin to bed in the new pads. Brakes are back.
Going to get through this weekend, see how it does and order up some proper pads for it next week.
Truck and trailer are all loaded up and ready to headout first thing in the morning.
Hope you all have a good holiday weekend.
Sean