Jenni D Miami , FL July 10, 2014 Appliance: Whirlpool Washer WTW4930XW0 Whirlpool Washer Wtw4930xw0: Tub was unbalanced and could not spin without smacking the sides. How to replace Suspension Rod Kit. Replaced all 4 suspension springs. Installation was very easy. Problem resolved. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes