I changed the brake pads (all 4 corners) and turned the rotors @ the brake shop. Now, it's making knocking noise under hard braking at the front left corner. It sounds like something is hitting every one revolution during hard braking.

I checked that the caliper screws are secured - they are. Checked the pad clearance....no problem. Checked if anything is on the edge of the rotor, nothing. The pedal has no pulsating feeling, which indicates no warping.

What else should I look at?

 

Anyone?

 

What brake pads did you use ?

 

I am having exactly the same problem. Also posted but no one was able to post back. I replaced my brake pads with Hawk HPS front and rear pads. Also resurfaced the rotors and have the same knocking noise while braking hard. I wonder if the rotors were resurfaced properly....

 

I have the same problem exactly like this as well. No answer yet, I am going to check it at RRE, they absolutely will know what happen..

 

Another reason not to cut evo rotors.