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Old 03-16-2012, 07:52 PM   #1
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Refrigerator Putters when Door Closed


I have a Frigidaire straight up standard refrig.

Everytime I close the door it lets out a rapid puttering noise for 5-10 seconds and then it stops...

It does this everytime the door or freezer door are opened and closed.

Anyone have an idea what this is and what I can do about it?

Thanks Tom
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Old 03-19-2012, 05:36 PM   #2
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Refrigerator Putters when Door Closed


That is the air equalizing pressure between inside and out. When you open the door warmer air enters the frig. When the door is closed that air is quickly cooled by the contents of the frig and the air's volume decreases. (if you warm up air, it expands - if you cool down air, it contracts) The frig has a valve that permits the air pressure to equalize and makes wierd sounds in the process. If the air pressure wasn't equalized, the low pressure on the cool side would hold the door closed and you would not be able to open it. Many older refrigerators and freezers didn't have such valves and forced you to wait 15 seconds or more for the air pressure to equalize enough through various small leaks to permit the door to open.
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Old 03-19-2012, 08:46 PM   #3
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Refrigerator Putters when Door Closed


Thanks..that makes sense..just never heard it before...Tom
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