Dexter K Alexandria , LA March 06, 2015 Appliance: Whirlpool Washer WTW5540SQ0 Whirlpool Washer Wtw5540sq0: It was not filling with water to the proper level selected. How to replace Water Level Switch Kit. Replaced the water level pressure switch. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes