My brakes are making a really suspicious sound, and it's pretty loud. Hre's a video of what happens.. and when braking in this video, it felt like a small air bubble was being pushed around when I was pushing the brake and it was squealing.

 

ez53436, odds are, what you are experiencing is a problem with the brake pad itself. What you can try doing is going to the local auto parts store and getting some stuff that is called "brake pad glue" or "pad adhesive". What you will end up doing is pulling the caliper off and putting some of this stuff on the back side of the pad (ie, between the pad and the caliper). This will make it so the pad can not vibrate and it makes the pad essentially one with the caliper. This will eliminate most noises. A bottle of this stuff is like $5 and one bottle will do like 30-50 brake jobs. You don't use much. But, you apply it whereever the pad touches the caliper (including the piston area).

If you are worried about getting the pads back off. Don't. While this stuff makes it a little more difficult to get the pad off, it isn't that bad. A gentle pry with a screw driver and everything comes apart. You will wonder why you never used this stuff in the past after using it. Essentially this product is a high temperature RTV.