I recently had my alternator replaced and soon after I heard chirping or actually its sounds like a high-pitched turkey gobble as I'm driving along. Hard to describe but its not coming from the wheels since it can gobble when the car is moving very slowly.
Can't seem to figure out if it comes from the engine itself since it never gobbles when I'm out of the car. Other than the mysterious noise there's no apparent problem with the car since the alternator job.
1989 190E 2.6 98K