Steering wheel shimmy at 18 to 23mph

[warnerwh]

My 2005 limited 4x4 Explorer steering wheel will vibrate slightly, almost unnoticeable sometimes, while in the speed range from 18 to 23mph. Above or below that range everything is fine. It will vibrate when coasting with the lower rpm in that speed range and the shimmy seems to be less when accelerating. What would cause this? My truck has 152,000. Any help is appreciated. Thanks

 

[mountaineer2004]

My 2005 limited 4x4 Explorer steering wheel will vibrate slightly, almost unnoticeable sometimes, while in the speed range from 18 to 23mph. Above or below that range everything is fine. It will vibrate when coasting with the lower rpm in that speed range and the shimmy seems to be less when accelerating. What would cause this? My truck has 152,000. Any help is appreciated. Thanks

Are the front wheels balanced?

 

[warnerwh]

I just had the tires rotated and balanced a couple of weeks ago. I thought that was a possibility too.

 

[Bazz270]

Bad control arms bushings,balljoints or the hub bearings.might be worn tires as well