Quote:
Originally Posted by RL911
Just thinking about this a little more and what I think happening is either the brake caliper piston is sticking to the pad and then releasing quickly or it’s the pads themselves when the caliper releases. It does sound like a piston retracting, like a clunk. I’m going to replace the pads, cleaning everything up on the pistons and bleed the caliper a good while and see how it goes.
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Pad should be sticking to piston pulling it back off rotor. Otherwise pad is free floating and will vibrate make all sorts of noise - braking or not. Apply some more CRC red disc quiet to make sure pad sticks "good" to piston.
Incidentally, many vehicles have compression clips on back of pad which slip into piston ensuring pad travels with.
Good luck
