Donna H Mary Esther , FL August 08, 2021 Appliance: Roper Washer RTW4640YQ1 Roper Washer Rtw4640yq1 / : The tub is banging on spin cycle. How to replace Tub Centering Spring Kit. The Tub Centering Springs helped, but the Suspension Rod Kit (Part Number AP5971398) did the trick. Works great now, no more banging. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes