Right Turn Front End Noise

[geebrig]

Especially in the early a.m. when making a right turn only, I'm hearing a grindy howling sound from the front on my 4WD vehicle. I suspected low power steering fluid and centrifugal force causing a lower fluid condition, but the fluid level is fine.

 

Later when the truck is warm, the condition is greatly diminished.

 

Any words of wisdom on this one? Thanks in advance.