Last year I switched from the Brembo Pro Race 4-pots to the new AP 6-pots with the 25mm pads. Since I haven't really stressed the brakes much with the tracks I have been running everything looked pretty much like new up to now. But after doing a brake bleed before my next event I noticed something disturbing. Looking more closely at the Ferodo pads I noticed severely uneven pad wear that I didn't notice earlier this year. It looks like the thickness is about 23mm at the top of the caliper where the smaller pistons are and about 17 mm where the largest piston sits at the bottom. I didn't take pics but the pad surface appears perfectly normal with no cracks or discoloration. It was like that on all 4 pads. I do remember the brake "feel" was different the last two TNiA events and the pedal seemed a bit longer and grab was slightly less forceful.
Could there be air in the calipers not allowing even pressure? I use a suction bleeder with my air source which always seems to do well. Never saw this before.
I reversed the pads to see if I can get them back to a more even wear pattern but that's not fixing the problem. Any ideas?
Could there be air in the calipers not allowing even pressure? I use a suction bleeder with my air source which always seems to do well. Never saw this before.
I reversed the pads to see if I can get them back to a more even wear pattern but that's not fixing the problem. Any ideas?