What does a loose brake caliper sound like? A loose caliper will flop around and make a clicking sound that emanates from that wheel. Each brake has a backing plate attached to the back of it. If the plate is bent inward, it will rub against the rotor or caliper and cause a clicking sound.
What noise does a bad brake caliper make? Squealing or metallic rubbing noise.
If a brake caliper is sticking or freezing up, noises may be heard from the area of the damaged part. Unlike the noises related to worn brake pads (which occur when the brake pedal is pressed), this symptom is likely to be heard when the brakes are not being used.
What does it sound like when your brakes are loose? Rattling or clicking sounds
When the brakes make a rattling or clicking noise, this is an indication that your brake pads need replacing. The rattling and clicking is caused by the vibration of loose components which damages the brake pad.