1997 Explorer 4WD with harmonic vibration starting at 65mph | Ford Explorer Forums

  • Register Today It's free!

1997 Explorer 4WD with harmonic vibration starting at 65mph

jmden

Member
Joined
November 4, 2013
Messages
35
Reaction score
0
City, State
Washington State
Year, Model & Trim Level
1997 Explorer
Hi all,

First post with a question here.

I've got a 1997 Explorer 4WD with a harmonic vibration that starts at 65mph and goes up as far as I've taken it. It lasts for about 5 seconds then goes away for 3-4 seconds, then comes back.

I did not recall noticing this until I purchased new Toyo OPen Country 6 ply A/T tires last fall after blowing one of the same tires (about at the end of their life) on a long gravel road trip. There were just a few feet on the aluminum rim til I stopped.

It's been enough of an issue that today the tire store gave me a complete set of new tires free--their suggestion, not mine. The harmonic vibration at speed is better, though certainly not gone.

I recently had the upper control arms replace (lower ball joints 2-3 years old) and had a new C/V joint replaced. Front sway bar bushings are just over a year old. 2 garages say there is nothing wrong with the front end or wheel bearings etc.

This happens at a certain speed over the ground so it's got to be txfer case output shaft or back from that, right?

Advise would be appreciated.

Thanks.
 






Any ideas?

Anyone?
 






Did they balance the wheels properly? If their balancing machines are off, then that can cause vibrations at higher speeds.
 






Back
Top