I have the same problem, 2007 Mazda 3 squeaky breaks, any fix?

 

If they're just squeaky the first couple of times they're used in the morning then it's normal. Rust accumulates on the rotor face over night, especially if it's humid or raining. The pads are just scraping that off.

If it's happening after the first couple of stops, or happens all the times you could need to replace some or all of your pads. You'll need to remove the wheel to inspect the inner pads, and the inner/outer will wear differently so don't just look at the outside ones.

 

Thx for answering, it's always worse when you first take off or raining, just a little embarassing, because it can get very loud.

 

use high temp silicone (ultra black) and glue the pads to the calipers... just install, press the brakes once firmly, then allow it to cure before use. If you use the brakes before it cures, all the silicone will ooze out and leave you with nothing. That silicone barrier dampens the vibration.
I haven't had the squeaky brake issue for well over a year - after doing the silicone thing.

 

^^ Or instead of gluing the pads to the calipers you could use brake pad grease and put a coat on the back of the pad where it meets the caliper. Should make changes easier as you don't have to break the pad loose.