Judith M Chino Valley , AZ December 06, 2015 Appliance: Whirlpool MODEL_PBK0190 Whirlpool Model_Pbk0190: The "agitation" system was tearing up my towels. How to replace Washplate. We replaced the motion plate in the bottom and all seems well now. It only took my husband about 15 minutes to install the new plate. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes