motor noise behind dash

[white.akita]

Hi, i have a constant noise behind the dash which sounds like the blend motors constantly changing position.
I have done a search and it seems very common on these cars but havent read of a fix yet, anyone know how to fix it?

 

[Cabbyfan]

My cab does the same thing

 

[white.akita]

Its very common, but dont think anyone knows how to fix it.

 

[marktdisport]

mine does this, it seems to stop when the radios turned up lolololol