i recently change my brakes. i change to steel brake lines with brembo slotted cross drilled, and new axxis metal master pads, i had a emergency stop on teh very first day i put it all in, so that was a bad break in and smoke came out but after that i had some friends checked it out, they said if it stops it should work fine, but sometimes now when i stop agressively i will start hearing a weird noise coming out from the brakes, its not the noise that normal brake makes when the pad is getting thin, it makes a rusty small noise, it sounds like how water is store up in a car door and when you come to a stop it moves around...haha wierd example, its hard to explain but it almost sound like my axsle is dry and being twisted, does anyone else have this problem or know what i'm talking about?? please help thanks.

 

check brake fluid

 

maybe those studs that go into the caliper are loose or broken, happened to me once.