the popping noise is from the strut housing not being lined up with the chassis. At the top of the housing, (by the three nuts under the hood) there should be a little white mark on the black piece. That white mark should be pointing toward the fenders and back at the doors. (diagonally). That is why the popping noises are occuring because when you turn the wheel that entire strut housing turns too. not sure about the uneven stuff. what kind of springs are they?
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