Loud click / tap noise every couple of hours or so Ever since we bought the Bosch Exxcel refrigerator it has made a loud click or tap noise every two hours or so. What can this be?

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Check your owners manual for a list of common noises it should make to see if it's on that list. Does this have an icemaker? That time frame could be an ice maker valve turning on for a few seconds to fill the tray (or dumping ice).
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