I have a 2011 F150. Just installed new brakes last month. They are power stop cross drilled/slotted rotors and carbon/ceramic pads. I was driving home from a road trip today and my truck was shaking when braking at 80mph. Any less and it was fine, smooth and silent. Why is this? Are the brakes not bedded in yet? Will the problem go away? I have a 1 year replacement warranty. If the rotors are warped I can get them replaced for free. Not sure if I should wait longer and this is normal for new brakes or just get the rotors replaced now.
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