How long ago were they installed? Could be they left out the anti rattle peices, but that would be a rattle more than a squeak? Could be some debris on one of the rotors or in between the pad and the rotor. Or just cause their new its squeaking a little being a little tight pad wise, this can happen but only lasts a short time once the pads wear down just a touch. Did a shop do them? If so call them up and schedule a time to bring it in to them to check it out..
Sent from my SM-G920P using Mustang Evolution mobile app
Follow on Instagram @manicmustangs
Follow on Instagram @steviesstangs
15% off waxgods.com use code: manic15
10% off toplabel.com use code: Manic10