natalie

I have a '10 F150 Platinum 4x4 (6" lift and 35's), with about 53k miles on it. A month ago I changed the front brakes because they were pretty bad, but didn't change the rears yet because they were still good. I've put over 1000 miles on the truck since I changed the brakes. A few days ago this terrible super loud squeaking started. I can't tell if it's coming from the front or rear. At a slow speed it's crazy loud, as I go faster the squeaking also sounds faster until I reach a higher speed and it stops. It also stops when I apply the brakes (see video). Any idea what this could be? It's so loud it's almost embarrassing, and it surely turns heads.

winchested

Sounds like a stuck brake to me, rotational sound. Caliper not releasing when you let off the brake but has just enough pressure to squeel.

kidastra

iTrader: (1)

sounds like the brake pad squealer, it serves as a warning when pads are almost done

kidastra

iTrader: (1)

natalie

Wouldn't it squeal while applying brakes rather than when there's no brakes applied at all?

winchested

No, not always. Because when you apply the brake you have an equal clamping force on both sides of the rotor. You would easily be able to find out which wheel it is by jacking the corners up and rolling the wheels by hand.

natalie

I have a feeling it's a stuck caliper... After driving today I went near my driver side wheel and it had a "hot" smell to it. Also that same wheel is black with brake dust, and the passenger side isn't. Check out the pictures I've attached, and you can see the difference. So what do I do if it is a stuck caliper? And what is causing that?

ScrewBalled

Your pictures point to a stuck caliper, as you've already figured. Pull the wheel and the caliper bolt. Clean it all up good and put the grease where it belongs and roll on.

natalie

Yep, one of the pads is worn half way through, and they were some brand new EBC "Green Stuff" pads.

Synterra

sometimes the piston its self go's bad it will get stuck sideways.