Sue C Pittsville , MD March 25, 2016 Appliance: Whirlpool Microwave Hood Combination 1.7 Cubic Feet WMH31017AW1 Whirlpool Microwave Wmh31017aw1 / : Microwave door frame cracked. How to replace Microwave Door Assembly. Ordered new door from APPLIANCE PARTS PROS it arrived in 3 days in perfect condition I replaced the microwave door Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes