help 300 tdi axels strage noise slowing down or speeding up

hi have a 200tdi with the 300 axeles have a problem need ideas last week the wheel bearu=ing colapsed destroying the cv joint and stud axel i replaced theis and all the wheel bearing and theres know play in the wheels so i know thats good when acclerating or slow down i get a strange noise and vibretion come from front left if you hold the truck at a speed it runs fine also whene the wheel bering failed it loced the front axel causeing it to lock was think mabey cv half shaft or prop does any one know what it could be