Today I replaced my rotors and pads because the inside right front pad had delaminated from the backing.
I knew the pads were "about due" and I had ordered a set a month ago from TireRack, but didnt expect this. All the pads except the inside right front pad were 1/4" or thicker, it was 1/8". <br> This is the odd part. The pad wear sensor never triggered althought this is one of the pads that is monitored. The sensor embedded in the pad is encapsulated in something about 1/8" thick and that is molded into the pad against the metal backing. When I pulled that brake off the remains of the pad material was trapped in place by the caliper bracket and the sensor wire. The sensor was not worn in the least. I wonder just how frikin thin a pad has to be before that does wear thru?
I got 27k miles from these pads which is much higher than EBC predicts, so I cant complain about pad life. I installed new EBC Green that are called V4, which I guess is a new formulation.
Just a caution to you all. Check the INSIDE pads for wear too, not just the outside - It seems you cant count on the wear sensors covering for you.