Hey everybody,

I've got a 2003 F150 with about 127k on it.
I've been getting a real bad vibration from around 65 to 80-ish.
speed limit here is 70 on the interstate but it's real bad at that speed.
I thought I needed new rear tires so I got a set of new all seasons yesterday because apparently this winter thing is going to hang around a while. vibe is still there but a bit more pronounced I assume because the tires are new.
It's always in that speed range.
could it be u-joint?

any input helpful
Thanks

 

No much information to go on but I'm thinking a bad tire possibly a broken belt in the tire. Check for lumps, bubbles or bulges or maybe just a front end alignment. Just some things to look into. Hope this helps..... James

 

I had a bad vibration like you that i COULDNT FIND for the longest time. So first off get your wheels balanced to see if thats the problem, if its still there then try rotating your tires and if its gone after that then its one of your tires, if vibe is still there after that change wheel bearings, if its still there after that change idler and pitman arm, if vibe is still there then change tie rod ends and get allignment, if you still have it after changin all that then hit me up and we'll go from there

 

It could be u joints or driveshaft. I had the same problem, would feel vibration only at highway speeds. When I took my foot off the gas the vibration got a lot worse. This happened to me after i got my u joints replaced, so I had to get a new driveshaft.