Two problems related to engine grinding noise have been reported for the 2012 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Ford F-150 based on all problems reported for the 2012 F-150.
Immediately following an oil change, my truck began making insanely loud grinding noises. I attempted to drive from knoxville to chattanooga and barely made it to cleveland. My truck stalled, started back up and I coasted into a parking lot. It would not go over 50. I then found a massive puddle of oil underneath where I parked. The truck was taken to jiffy lube.
While driving at highway speed, I heard a pop and 'ding' sound before losing all electrical items - dash board, head lights, tail lights, brake lights, turn signals, etc. , but the engine was still operating. I then felt a grinding noise and immediately exited the highway safely to park at a gas station. I turned off and removed the key but the engine was still running. I was only a few miles from a Ford dealership. I inserted the key, turned it to the on position and tried to put the truck into gear while depressing the brake. The transmission brake release would not work. I called roadside assistance who scheduled a tow to the dealership. I had to call the dealership to figure out how to turn the engine off. They advised that I should pull the fuel pump relay fuse which did stop the engine. To date, Ford does not know what is wrong.