Rob K Oglesby , IL April 23, 2023 Appliance: Whirlpool Washer WTW4616FW2 Whirlpool Washer Wtw4616fw2: Agitator splines worn out. How to replace Complete Agitator Assembly. Purchased a complete new Agitator Assembly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes