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Knocking noise coming from Whirlpool Gold refrigerator

Knocking occurs ocassionally mine is not a gold but still whirlpool, and the knocking noise, whick started a week ago, is slowly increasing day by day, i have defrosted my freezer, cleaned the back and still it continues. any ideas?

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  • joclayton Dec 16, 2008

    Thankyou will have a look. fingeres crossed.

  • Anonymous Apr 10, 2009

    Same rock sounds - like a rock tumbler every time it turns on then usually goes away after about 20 seconds.  So, if it is the compressor, then what?  This fridge is almost new!  Rocky sounds started within weeks of purchase.  Any more hints?  This is a Whirlpool fridge with bottom freezer.


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I also have a new Whirlpool Gold fridge (bottom freezer with French doors) and it was making a knocking sound. The knocking sound would start when the fridge kicks in and starts running to cool, and would last for about a minute or less and be a slow knock.
I called Whirpool customer service since it is new and on warranty. They sent out a technician and he said the knocking is from gas/air built up in the copper tubing for the freezer because the copper tubing is too cold, and when the fridge first turns on it forces the air through, making the knocking sound.
His "fix" was to adjust the copper tubing so that it is closer to the heat of the motor/compressor and heat of another copper line so that the cooler line stays warm so the air/gas doesn't build up. His fix worked slightly, but the fridge is still knocking, just not as bad and not as long - it knocks fast for about 5 to 10 seconds instead of a minute.
Going to call customer service again soon and see where to go from here.

Posted on Jan 05, 2010

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  • Max404 Jun 23, 2011

    It was the ice maker. I do not have water hooked up so when the metal wire is down on the ice maker the refrig. thinks it needs to make ice. I think it is the ice maker motor or something. Anyway, when I popped it all the way up the noise went away for a long time. Sometimes I think I still hear it but not near as noisy as it was. When I pushed the wire all the way up it just latched into place.

  • jlwbradley1 Jun 23, 2011

    wow! ok. thanks. I have an ice maker too but I don't use it and the bar is up all the way -- off. Has been for 2 years. I hear this knocking sound when the compressor first kicks on and it is in the back near the middle/top. The Sears guy said it was the "new" type of coolant they use moving thru the coils. Seems so odd to me that I would hear it years later vs. when we first got it. I wanted to see what "richiepope" here had to say since it sounds very familiar to that post. The "muffled" rock tumbler sound is a good explanation of how I would equate the sound. It evens out after a minute or so but it is annoying.

  • jlwbradley1 Jun 23, 2011

    Richiepope...if you get this, did you find out what your problem was? Sounds very familiar to mine. Just wondered what Whirlpool had to say.

  • scadams1057 Sep 18, 2011

    Thanks Max404 for the posting. Pushed the wire all the way up on the ice maker of my Whirlpool Gold refrigerator and the knocking noise that was driving me crazy went away.


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The compressor is normally mounted in sound-dampening rubber shock mounts and it sounds as if one or more of these have decayed on your fridge.
Accessing the compressor from the back, you might try (gently) to rock the compressor to see if you can duplicate the noise you are hearing.

Posted on Dec 15, 2008

  • Max403 Dec 11, 2010

    I have same problem with my new (1 year old, just out of warranty) Whirlpool Gold. It is not the compressor. Lot of dust and dander under the frig, though. I removed the rear cover and the knocking noise appears to be higher up in the refrigerator. The compressor does not move and the small plastic fan that is visible runs smooth. I do not use the ice cube maker. Wondering if may have something to do with that.

  • jlwbradley1 Jun 23, 2011

    did you ever figure out what is causing your issue? mine sounds exactly like this on my kenmore (made by whirlpool) model. It sounds like a rock tumbler for a bit upon start up. I had sears come out. I recorded the sound. He said it was probably the refrigerant moving thru the coils depending on how much coolant the compressor was calling for it could make more sounds sometimes than others? Said it was normal. But I don't always remember hearing this! I don't use my ice make either.


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