Sonny M Eagle Pass , TX October 22, 2018 Appliance: Whirlpool Washer WTW8240YW0 Washing machine had a code (sd) would not wash or spin Paid a web site for information. A technician gave me a clue of what could be the problem, basically saying it was the most expensive part. Searched APP.com and one of their customer support members gave me an accurate description and by watching the video on how to install it took about fifteen minutes to replace. I will do all my appliance shopping here a well as get my tech advise too! Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers, Wrench Set