I have a whirlpool gold that is still under 5 yr warranty until Sept 09. The compressor has started knocking about 2 wk ago and is now louder and longer. I have surmised from online research it's probably a spring in there? will they replace the compressor under warranty for this even if it is still cooling fine?
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Re: Knocking noise when compressor chuts off
This is a problem that has been going on for close to 35 years. back in the day some genius decided to redisgn the compressers made by tecumsah. they made a rotary compressor in other words the compressor inside the housing turns 360 degrees rather than being pumped from a piston that went up and down.this rotary compresser spun around very fast and when it shut off the three springs that held the compresser would sort of bend a little. as time went on this weakening of the springs would cause the compresser to hit the housing, thus creating a knock or ping or whatever else you want to call it. so customers would call up factory service ans say their refrigerator was making noise. so a service tech like me would go out hear the sound and order a new compresser. after a while the replacement compressor may or may not make noise. after a few years tecumsah said that they would no longer credit the service companies for noisy compressor problems and that the noise was the nature of the beast. so depending on variables such as who you talk to when you request service and the tech who shows up at your house you will either get a new compresser or not. i hope that explains your problem to you it's hard to write all this down rather than standing in your kitchen and telling you in 45 seconds good luck. you can take this all the way to the president of whirlpool if you get no satisfaction
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By you discription above it sounds like one of the three spring the supports the compressor pump has failed or broke. Now the only fix is to have the compressor replaced, but if the unit is still cooling, currently its a noise problem only. I hope this helps you. If this is still under a warranty, ask for it to be checked as if in warranty it needs to be replaced. Good Luck
Is the compressor running when you hear this noise or is it noisy when it is trying to start. If the noise you are talking about is the click it may just have a bad relay on the compressor. If it is a loud humming noise when the compressor is trying to start then the compressor is locked up and needs to be replaced. Compressor comes with a 5 yr warranty and relay has a 1 yr warranty.
check the compressor for operation adn check the fan in the back of unit to make sure it is running...whirlpool units are notorious for compressor relay failure normally they click in and out every few minutes... if it is a knocking noise and continuous make sure compressor is not trying to start and sitting there shaking... normally it will stop after a few minutes and then start again....
these high efficiency compressors make noise when they are in defrost..you will sometimes hear water running, or tapping noise or even a popping noise. if it happens when its off in defrost.. it will only happen three or four times per day as this is the defrost frequency and nothing can be done without securing the heat exchanger to the suction line ..sometimes these come loose...
The knocking noise when cuts off , is a compressor internal motor support spring , broken . This does not mean the compressor is bad , only noisy for the rest of the compressor life , but should be covered under the 5 yr warranty . The gurgling sound is the refrigerant being pumped thru the system . The buzzing could be from the compressor also . My suggestion , would be to call a factory warranty company , to see if they can replace the compressor under warranty .
sounds like the compressor vibration dampers are wearing out. the dampers are the rubber washers that seperate the compressor from the chassis of the fridge. when they start to deteriorate, and the compressor kicks on, it will bounce against something in the chassis, causing a knocking noise.
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.