Machine bangs on spin with balanced load

Washing machine goes into spin cycle and shakes and bangs severely, even after load has been checked for balance. All springs are intacted and appear in good condition. Balance pads appear to be slightly worn.

Your drive block is probably broken it’s part #17 on page one of the breakdown http://www.appliancepartspros.com/partsearch/model.aspx?model_id=257351

Nat