How to repair out of balance washer during spin cycles?

Are there normal replacement parts that can correct a constant out of balance condition during spin cycles. The unit feet have been adjusted to level the unit but the washer has gotten worse over time and is not even that old, three years, but bangs during spin cycles of any load. Washer was inspected looking for broken or damaged springs that support the basket but all were intact. Can these springs strech and cause this problem? Whirlpool model SM8525492 top load washer.