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my refrigerators compresser is making a loud thump when the cooling cycle stops, its geting worse and worse. whats up? Answered

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user
Re-design (author)2009-11-22

What it sounds like to me.

When the compressor stops there is a lot of torque on the housing.  There are 3-4 rubber bushings that absorb the vibration of the motor running.  One or more of these are wearing and need replacing.

Or it might be something else, but I don't think so.

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user
frollard (author)Re-design2009-11-22

if it's not the mount, its the compressor itself.  With seals the motor itself, and seals wearing out - the system starts to finish its cycle with a bad amount of pressure in the wrong place, then when the power cuts, thunk - the pressure forces the motor to do something it doesnt like.

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user
steveastrouk (author)2009-11-22

I'd go with redesign's idea - anything else, and you'll be in new compressor land.

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