Has anyone had vibration problems with the 4.6 regular cabs, just wondering because I don't remember seeing anyone complaining about vibration on these trucks. I have an '04 STX regular cab 4x4 and haven't had any problems yet, but the truck only has 300 miles on it.

 

My reg cab long box has only a slight vibration at around 60-80 kph. It is so slight that I think it is most likely the tires, I am not going to worry about it ( if it ain't broke don't fix it).

 

I never have had any drivetrain vibration. I did have the notorious "steering wheel shimmy" but RF balancing and the replacement of a bad tire fixed the issue.