When Should I Replace My Brake Pads?

"Hi! I’m William Myers from Austin Subaru for Expert Village and I’m going to show you the underside of your Subaru. Why do you want to know this? Well when your mechanic says you need brakes, well why do I need brakes? Well just because he’s telling you, you have a percentage of brake pad life left. There are brand new which start off at 12 mm and this gage right here is a 12 mm gage this is how thick your brake pads are when they’re brand new and your pads are going to wear. Now the inside pads going to wear faster than the outside pad this is normal and pads don’t wore perfectly even. One of the pads going to be a little thicker at one end, the other end is going to be a little thinner, this is a normal wear but as you can see this is a brake pad gage okay and on them they got the like when you get to 4 mm you’re starting to get a little thin but the wear bar there’s a little wear bar on the inside of a brake pad that will start squalling at you when you get to the minimum level but I’m going to recommend that everybody start replacing their brake pads once you get down to at about a 2 mm level because you’re getting a little thin by then. So that’s brake pads."