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How to Fix a Kitchenaid Microwave Oven with a Door that Flops Down Hard

Samurai Appliance Repair Man

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The deal here is that one of the torsion bars is broken. Even though it's usually only one that breaks, you want to replace both as a set. For the stainless steel models, Grand Master Reg hooks up with the needed parts and diagram:

4451009 Black / White / Biscuit models

4452396 Stainless model (stronger tension)

(original SS models may have had one of each)

click on picture

Door-Spring-4451009-00885407.jpg

click on picture

Spring-4452396-00839284.jpg

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Source: Microwave Door Flopping Down, What Parts?