How to replace a microwave turntable motor

Written by shannon johnson
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How to replace a microwave turntable motor
A silver microwave oven. (microwave image by andrey polichenko from Fotolia.com)

The turntable is one of the most important features inside a microwave because it turns the contents in order to evenly warm the food. Over time, turntable motors can weaken or break due to use and age. The motor may still make some noise, but the turntable will not rotate. The Appliance Repair It website explains that the process of replacing a turntable motor is detailed, yet straight forward. The motor must be replaced in order for the microwave to continue to operate and perform efficiently.

Skill level:
Moderate

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Things you need

  • screwdrivers
  • replacement motor
  • specific microwave information and part number

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Instructions

  1. 1

    Open the microwave door, and carefully remove the turntable tray. Also, remove the frame that the turntable is positioned on. Both the turntable and the frame are not secured in the oven, so removing them is a quick process.

  2. 2

    Remove the bottom panel of the microwave. The Microwave Wizard website explains that the number of screws securing the panel varies depending on the manufacturer and specific microwave. Once the bottom panel is loosened, disconnect its wiring harness in order to completely remove the panel.

  3. 3

    Locate the turntable motor. The Microwave Wizard website explains that the motor compartment should be positioned below the centre of the microwave. Unscrew the motor, disconnect the wires, and remove it from the microwave.

  4. 4

    Determine the specific part number for the turntable motor so that a correct replacement can be purchased or ordered. Position the new motor into the shaft in the bottom of the microwave. Screw the motor securely into place.

  5. 5

    Test the microwave to make sure that the turntable motor is operating correctly. The Microwave Wizard website explains that the motor can make noises if it was not positioned evenly in the shaft. Reconnect all of the wires that were detached when removing the old motor.

  6. 6

    Reinstall the microwave's bottom panel parts, and secure all of the screws in place. Reposition the turntable frame in the bottom of the microwave and place the turntable on top of it. Test the microwave in order to make sure that everything is working correctly.

Tips and warnings

  • The microwave should always be unplugged during any major repair process. Receiving an electrical shock from a microwave can cause serious and even fatal injuries. Place something in the microwave each time that the turntable is tested. The Microwave Wizard website explains that turning on an empty microwave can damage the appliance.

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