Rear end squeeking noise.
When I turn my car on, on the rear end I here a continuous squeeking noise. It seems to be close to the gas tank like right in front of it. It's a 2002 v6 mustang and I noticed it recently. Whenever I go over a bump I hear a little squeeking too. But when it's just idle, it sounds like something's turning. Like every time the belt makes a rotation the sound is there and I know it's not the belt. If anyone knows what this might be please let me know. Maybe suspention? I have no clue