strange noise while driving sounds like center cap rattle, took all 4 off still has noise. replaced rear end old had a lot of play and leaking at pinion all new brakes on rear, new u-joints on main drive shaft. still got noise, replaced 1 outer cv joint (passenger side) on front axle still got noise, took front shaft out still got noise, can't narrow it down. please help don't know where to go next.\bearings all look good no play or wobble in front. also had inner tie rod replaced and trans flushed. did nothing to help. jacked truck up spun all 4 wheels can't hear any noise from the wheels. only here it while driving, since changing the cv joint it seems to be louder.
thanks for any help: