Cary T Challis , ID March 07, 2015 Appliance: Maytag Washer MAT12CSAAW Maytag Washer Mat12csaaw: Squeaking noise with loud rumble. How to replace Idler Pulley Assembly. Replaced idler pulley using new retainer after viewing the repair video on your wedsite Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes