brake

Hi, There's a noise that sounds like it's coming from my front left wheel and I'm having some trouble identifying the cause. It usually starts when I turn left and has varying levels of volume: Here's some audio of the grinding sound...

I have been working on my car lately, and upon checking the front brakes I noticed that the pads on one side had about half wear, as I expected, whilst the other side had virtually no wear and is still essentially a set of brand new pads. The caliper piston seal had a big hole in it so i...