Joseph W Berkeley Springs , WV May 31, 2016 Appliance: Whirlpool Refrigerator W4TXNWFWQ01 Whirlpool Refrigerator W4txnwfwq01: Evaporator fan was bad. How to replace Defrost Timer Cam. I went on your website and ordered the fan motor and a defrost timer since the other one was 6 years old. The fix was easy and the parts were perfect. The shipping was unbelievable, the parts were here here the next day! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes