My 21 F150 (10K Mi)has the squeak in reverse every morning. I tried backing up at speed and applying the brakes a couple of times and it seemed to help, for a period anyway
I do not notice the noise after warm up/operation
I have chosen to live with it because of fear that the dealership would...
My findings exactly. I have been pulling a camper trailer (6500lb) with my 21 Eco 3.7. When the trip computer says that I am dead empty, it still has ~6 gal.
10mpg interstate 65mph is all she will muster but grocery getting is good - - - often 23 24MPG
"21 F150 3.5 EcoBoost checked a 200 mi interstate trip last week 21.5mpg mountainous 75MPH on ECO mode
Since then adding another 100 plus country mountain driving has dropped to 19.4mpg avg