Ford F150: Brakes Grinding → Causes Diagnosis
WEBJul 11, 2019 · If your F150's rotors are warped they can make a grinding noise. Broken Shims – A shim that has worn out can make contact with the brake hardware and cause the grinding noise. Shims are one of the more overlooked items when doing a brake job. Lack of Lubriion – Brake caliper bolts help the caliper adjust as the brake pads wear down.