Mystery Vibration (Video) Can anyone identify the cause?

[85x]

[youtube]yWg30uTJT_g[/youtube]

Just took my truck on an awesome run up through the lost coast. Truck was flawless the entire ~500mi journey. As I got close to home I noticed (first at lower speeds then eventually on the fwy) that as I let off the accelerator I got a kind of vibration or almost like a rubbing sound coming from the front end. I recently replaced (and subsequently re-checked) all fluids so that was not the culprit.

From the video above you can hear the noise from me just driving around the block. Can anyone relate or give me an idea what the culprit could be? Has 156k on the clock with no other real issues at all.

Thank you in advance for your thoughts.

 

[duggy]

Looks like Youtube will not auto populate here. Can you post the whole link?

 

[crimsonaudio]

 

[TW Boegel]

 

[2001LC]

Is this only when moving?

 

[85x]

Is this only when moving?

Correct, this noise only occurs while driving. Idles perfectly.

 

[2001LC]

Check propeller shafts, drive shafts and wheel bearings.

 

[85x]

Check propeller shafts, drive shafts and wheel bearings.

Thanks for the suggestion 2001LC - I greased the drive shafts about a month ago due to the infamous "thunk" which went away readily. Since its such an easy check up I'll see if I can get any more grease in there again. Wheel bearings were on the preventative maintenance list so I guess I should move that up on the priorities.

Open to other theories Mud-ites. Thanks again for your time.

 

[bucfl]

Can you hear it from a particular area/side?

 

[TW Boegel]

I greased the drive shafts about a month ago due to the infamous "thunk" which went away readily.

Grease ain't gonna fix that "thunk" ... a brief delay.