Kenneth S Montgomery , MN April 07, 2018 Appliance: Amana Washer NTW4750YQ1 Amana Washer Ntw4750yq1 / : The gear case/bearing making a loud noise. How to replace Washer Gear Case. Ordered a new gear case and that took care of the problem, runs like new again, Thanks Appliance part pros! 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours