I have a vibration that comes and goes on 2004 Ford F-250 Super Duty

that sounds like you are going over the rumble strips( but not as loud) on the highway. I checked the front end and everything is fine, It comes and goes, doesn't effect the braking or steering. the strangest thing is it's the same at 50 or 10mph. I had a friend that siad it could be the drive shaft,checked the universals they seem fine, and he said it could be the, what I would call the metal collar with rubber at the rear part of the shaft, like a harmonic balancer. any thoughts or questions, anyone ever heard of this??

by in Gloucester, MA on November 30, 2012
2 answers
ANSWER by on November 30, 2012
poss stabilizer bar bushings,or poss strut rods are bad
ANSWER by on November 30, 2012
4x4? Do you FEEL the vibe. in the steering wheel or does it vib the whole truck?