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The Daily Insight

Why does my microwave make noise on my turntable?

Author

Olivia House

Published Feb 09, 2026

Why does my microwave make noise on my turntable?

If the turntable on your microwave is making an unusual noise, the problem may be with the drive motor. Most microwave ovens with a glass tray use a motor driven coupler to turn the tray or a roller guide. If the motor is making a grinding noise it will need to be replaced.

How do I stop my microwave turntable from rotating?

If the turntable on your microwave doesn’t rotate, the problem may be with the roller guide under the tray. Some microwave ovens with a round glass tray use a motor driven coupler to turn the roller guide that the tray rests on. The roller guide is used to support the tray and to engage the rotating coupler.

Why is my Whirlpool microwave turntable making noise?

Under normal circumstances, the magnetron emits a low hum. However, if the magnetron is damaged or nearly burned out, it may begin emitting high-pitched sounds or growling noises. If the magnetron is noisy, this indicates that the magnetron is nearing the end of its life or might be defective.

How do you fix a noisy microwave turntable?

6 Ways to Quiet Down Your Noisy Microwave

  1. Drive Motor. To rotate the turntable, most microwaves will use a drive motor to rotate the tray or just the roller guide on which it sits.
  2. Drive Coupler.
  3. Roller Guide.
  4. Magnetron.
  5. High Voltage Diode.
  6. Cooling Fan.

Why does my microwave make a grinding noise?

If an unusual noise is coming from your microwave turntable, the issue may be the drive motor . The microwave uses a motor driven coupler to turn the glass tray in your microwave. The motor should be replaced if it is making a grinding noise.

Why is the turntable on my microwave making a noise?

If the turntable on your microwave is making an unusual noise, the problem may be with the drive motor. Most microwave ovens with a glass tray use a motor driven coupler to turn the tray or a roller guide. The motor is typically located below the floor of the oven, and access will need to be through the bottom.

How can I tell if my microwave has a drive motor?

Set your multimeter to the highest setting and touch the probes to the terminals. A properly functioning motor will produce a reading of zero. If your microwave makes a grinding noise, or if the motor does not have continuity, then you may need a replacement drive motor. Need Help Finding Your Model Number?

Why does my turntable make a grinding noise?

Flat spots on the rollers can cause the turntable ring to stutter or make a grinding noise as the rollers are ‘dragged’ past the flat spots. If the rollers do have flat spots on them, (check all 3 rollers) you will have to replace the entire roller ring as the rollers are not a separate replacement item.

If an unusual noise is coming from your microwave turntable, the issue may be the drive motor . The microwave uses a motor driven coupler to turn the glass tray in your microwave. The motor should be replaced if it is making a grinding noise.

If the turntable on your microwave is making an unusual noise, the problem may be with the drive motor. Most microwave ovens with a glass tray use a motor driven coupler to turn the tray or a roller guide. The motor is typically located below the floor of the oven, and access will need to be through the bottom.

Set your multimeter to the highest setting and touch the probes to the terminals. A properly functioning motor will produce a reading of zero. If your microwave makes a grinding noise, or if the motor does not have continuity, then you may need a replacement drive motor. Need Help Finding Your Model Number?

Flat spots on the rollers can cause the turntable ring to stutter or make a grinding noise as the rollers are ‘dragged’ past the flat spots. If the rollers do have flat spots on them, (check all 3 rollers) you will have to replace the entire roller ring as the rollers are not a separate replacement item.