ROARS
You blow into the Flute's mouth, The sound comes out the rear end.
To the end of your drive.
Depends on the sound - if it changes frequency pitch when you speed up or slow down, then it's likely the main rear-end bearing wearing out. It sound like a steady whine - the key is whether the sound changes when you speed up/slow down, telling you it's a rear end problem. Brake sounds would only be heard during braking, etc. The other likely cause is in the same area, and that's an axle bearing wearing out. Same sound as a differential (rear-end) bearing going bad, but less volume.
It depends. If the sound is a sharp "Tink!" that only happens when you step on the gas from a standstill then it could be a universal joint getting loose. The universal joint is a connection between the drive shaft and your rear end. No not your rear end, that would be silly. The rear end of your expedition where it goes into the rear axle. I would get it looked at as soon as possible.
Loud, whining, growling sound. Rear end jerks at random if bearings are locking up.
I had the same problem. The bearings in the swing arm were worn out. This caused slack in the rear end and a misalignment in the u-joint on the drive shaft and made a popping noise.
rear wheel bearings are bad
It sounds like a universal joint to me, it's an easy repair and cheap too.
sounds like you need to replace the U-Joints in the drive shaft
the rear end (differental)
It is a compressor for your rear "auto level-ride" suspension. The car automatically adjusts the rear shocks to how much weight is on the rear end of the vehicle. This is to help maintain control of the vehicle with heavy loads, while offering a comfortable ride.