Upright freezer makes a loud rattling sound, like something is loose. Doesn't do it all the time, but does several times a day.

Check the radiator for dust. If dirty, clean it, that may solve your problem.

Kenmore Freezer, lights on and loud buzzing sound. - Shop ...

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I have a Kenmore upright freezer model # 253.26052104 and at the bottom of the front there are two lights and an on/off rocker switch. At this time one light is ... When I attempt to turn it back on, it makes an extremely loud buzzing sound. What does that... The switch that you are describing is for the high temperature alarm.

Kenmore rocker switch Freezers Questions & Answers - Fixya

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Kenmore freezers rocker switch related questions and answers. ... Kenmore upright Freezer 20.3 cu.ft has 2 switches on the bottom of the freezer and was making a loud buzzing sound like an alarm and the ... How to turn off the doorajar beeping on aKenmore Freeze and what is causing the moisture buildup inside freezer.

GE 14.1 cu. ft. / 399 liter Upright Freezer FUM14DMRWH

Sounds like the ice maker. If you have one.

Maybe the ice maker?

If the compressor is overheating I would check the condensor fan and make sure it's turning. Sounds like you wouldn't have noticed this already though. Also, if the compressor is turning on for 5 or 10 seconds and then clicking off then your start relay is probably bad. Pull the relay off the compressor and shake it. If something is loose inside then it's bad. That is, if it's a whirlpool made kenmore. Kenmore doesn't make appliances they only brand them. The refrigerator could have been made by Whirlpool, Frigidaire, GE, LG, Maytag, Amana, or other. So, it's depenant on who made it.

one time i ran into this problem and found out the lady was putting hot things in the freezer creating alot of moisture. check your door seal also make sure its sealing if it had gaps you can heat it up with a hairdryer to streach it out.

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my woods upright freezer is running very loud

Check the evaporator fan inside the unit
Check the condenser fan (if equipped) under the unit
Check the compressor mounts - they are rubber and could be wearing causing the compressor to be touching something under the unit, making the noise.
Check for any loose parts like screws, hinge screws, sheet metal etc.

If you have the model number you posted under, you are looking at replacing the evaporator fan motor, which would be a part number 4309014 for that Maytag MQU1556A. It is located inside the freezer, behind the lower back wall.

sounds like either your compressor is loose and just rattling or the compressor is off balance and its rolling around inside the seal can.  take a look at it when it is making the noise.   put your hand on the compressor (careful   might be hot)   if it feel like it running smoothly then i would call an electrician cause that kinda puts me out of ideas without being there...  sorry

Good luck 

Jason