Yes I know this has been discussed to death but I’ll still throw my particulars out there.

2014 5.0 with the 5.5 box. Bought it with 80K miles. Took it up on the highway and noticed a heavy vibration during turns/curves. The dealer replaced both front bearing/hubs and this solved that issue. Front end was aligned as well.

HOWEVER

At speeds of 65+ I get a constant vibration through the gas pedal, generalized in the cab and a bit in the steering wheel.

City driving is fine (no issues), shifts fine and idles relatively smoothly. I’m not sure if it’s a driveline issue or a tire issue. The dealer had put on new Nokians - I have yet to RF balance them but that’s my next move.

I’m driving in 2 high. Any other ideas?

 

Yeah I mean unbalanced tires seem like the obvious answer. Any Idea on what can cause a mystery warning bell, or how to get rid of a the warning bell altogether? It’s an 07

 

I would have a look at the driveshaft. We are several F150 owners (me included) who experienced odd vibrations around 40-60 mph and driveshaft is often the culprit.